Appendix C Land Use Areas and Allocations for MS4 Municipalities in Christina River Basin
Table C-1. Land Use Areas (acres) for MS4 Municipalities in Brandywine Creek watershed.
HSPF Subbasin MS4 Municipality B01 B01 B01 B02 B02 B02 B03 B03 B03 B03 B04 B04 B05 B05 B05 B05 B05 B06 B06 B06 B06 B07 B07 B07 B07 B08 B08 B08 B09 B09 B10 B10 B10 B10 B10 B11 B11 B11 B12 B12 B12 B12 HONEY BROOK BORO HONEY BROOK TWP WEST CALN TWP HONEY BROOK TWP WEST BRANDYWINE TWP WEST CALN TWP COATESVILLE CITY VALLEY TWP WEST BRANDYWINE TWP WEST CALN TWP COATESVILLE CITY VALLEY TWP COATESVILLE CITY EAST FALLOWFIELD TWP MODENA BORO SADSBURY TWP VALLEY TWP EAST FALLOWFIELD TWP MODENA BORO NEWLIN TWP WEST BRADFORD TWP EAST MARLBOROUGH TWP NEWLIN TWP POCOPSON TWP WEST BRADFORD TWP EAST BRADFORD TWP POCOPSON TWP WEST BRADFORD TWP HONEY BROOK TWP WALLACE TWP EAST BRANDYWINE TWP HONEY BROOK TWP UPPER UWCHLAN TWP WALLACE TWP WEST BRANDYWINE TWP EAST BRANDYWINE TWP UPPER UWCHLAN TWP UWCHLAN TWP DOWNINGTOWN BORO EAST BRANDYWINE TWP EAST CALN TWP UWCHLAN TWP Residential Agriculture 175.55 429.11 78.02 253.57 448.62 351.09 0.00 19.51 760.70 253.57 19.51 19.51 487.63 136.54 19.51 19.51 331.59 916.74 19.51 0.00 136.54 39.01 292.58 39.01 195.05 78.02 0.00 136.54 292.58 39.01 819.21 58.52 97.53 702.18 409.61 214.56 0.00 663.17 156.04 156.04 195.05 312.08 117.03 6612.23 0.00 78.02 663.17 624.16 0.00 58.52 702.18 487.63 0.00 39.01 0.00 331.59 0.00 58.52 585.15 1404.37 39.01 58.52 351.09 429.11 2867.25 195.05 507.13 429.11 526.64 487.63 2711.21 97.53 819.21 19.51 195.05 1794.47 819.21 331.59 19.51 916.74 39.01 58.52 39.01 0.00 Open Land 0.00 0.00 0.00 0.00 19.51 0.00 0.00 0.00 19.51 0.00 0.00 19.51 0.00 0.00 0.00 19.51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19.51 0.00 0.00 19.51 0.00 0.00 39.01 39.01 0.00 0.00 0.00 Forest 0.00 370.60 819.21 741.19 585.15 39.01 58.52 663.17 643.67 175.55 234.06 117.03 565.65 39.01 19.51 604.66 39.01 175.55 234.06 156.04 117.03 546.14 214.56 195.05 195.05 234.06 819.21 58.52 195.05 741.19 546.14 78.02 936.24 39.01 136.54 292.58 331.59 Water 0.00 0.00 0.00 19.51 19.51 0.00 0.00 0.00 19.51 0.00 0.00 Urban 19.51 19.51 19.51 78.02 19.51 0.00 58.52 19.51 39.01 39.01 19.51 MS4 Total 312.08 8933.33 468.12 1170.31 1950.51 1618.92 39.01 195.05 2145.56 1462.88 234.06 312.08 936.24 1189.81 78.02 117.03 2028.53 3940.03 156.04 273.07 721.69 624.16 6124.60 370.60 1423.87 741.19 741.19 858.22 4232.60 409.61 2516.16 214.56 507.13 5363.90 2087.04 1092.29 97.53 2808.73 351.09 390.10 546.14 663.17 Subbasin Total 11766.82 11766.82 11766.82 4720.88 4720.88 4720.88 4324.94 4324.94 4324.94 4324.94 519.99 519.99 5644.14 5644.14 5644.14 5644.14 5644.14 5159.73 5159.73 5159.73 5159.73 8616.54 8616.54 8616.54 8616.54 2314.42 2314.42 2314.42 9397.55 9397.55 11721.04 11721.04 11721.04 11721.04 11721.04 4039.89 4039.89 4039.89 2369.53 2369.53 2369.53 2369.53 MS4 Ratio 0.0265 0.7592 0.0398 0.2479 0.4132 0.3429 0.0090 0.0451 0.4961 0.3382 0.4501 0.6002 0.1659 0.2108 0.0138 0.0207 0.3594 0.7636 0.0302 0.0529 0.1399 0.0724 0.7108 0.0430 0.1652 0.3203 0.3203 0.3708 0.4504 0.0436 0.2147 0.0183 0.0433 0.4576 0.1781 0.2704 0.0241 0.6952 0.1482 0.1646 0.2305 0.2799
0.00 1501.89
19.51 370.60
0.00 312.08 0.00 156.04 19.51 0.00 0.00 19.51
19.51 468.12 0.00 136.54 0.00 0.00 0.00 0.00 0.00 19.51 19.51 0.00 0.00 19.51 39.01 0.00 19.51 0.00 0.00 19.51 19.51 0.00 0.00 58.52 39.01 0.00 0.00 19.51 0.00 0.00 39.01 39.01 39.01 19.51 39.01 19.51 78.02 0.00 0.00 58.52 19.51 19.51 19.51
39.01 1443.38
0.00 2594.18
97.53 273.07 0.00 175.55
916.74 273.07
58.52 2633.19
0.00 175.55
0.00 253.57
C-1
HSPF Subbasin MS4 Municipality B13 B13 B13 B13 B14 B14 B14 B15 B15 B15 B15 B15 B15 B16 B16 B16 B16 B17 B17 B18 B18 B19 B19 B20 B20 B20 B20 B20 B21 B22 B22 B23 B23 B24 B25 B25 B26 B27 B27 B27 B28 B29 B29 B29 B29 B30 B30 B30 B30 DOWNINGTOWN BORO EAST BRADFORD TWP EAST CALN TWP WEST BRADFORD TWP EAST BRADFORD TWP WEST BRADFORD TWP WEST GOSHEN TWP BIRMINGHAM TWP EAST BRADFORD TWP PENNSBURY TWP POCOPSON TWP THORNBURY TWP WEST GOSHEN TWP BIRMINGHAM TWP KENNETT TWP PENNSBURY TWP THORNBURY TWP KENNETT TWP PENNSBURY TWP PENNSBURY TWP NEW CASTLE CO., DE WILMINGTON, DE NEW CASTLE CO., DE EAST FALLOWFIELD TWP HIGHLAND TWP PARKESBURG BORO SADSBURY TWP WEST CALN TWP HIGHLAND TWP EAST FALLOWFIELD TWP EAST MARLBOROUGH TWP EAST FALLOWFIELD TWP NEWLIN TWP WEST BRADFORD TWP NEWLIN TWP WEST BRADFORD TWP WALLACE TWP UPPER UWCHLAN TWP UWCHLAN TWP WALLACE TWP UWCHLAN TWP EAST BRADFORD TWP EAST CALN TWP UWCHLAN TWP WEST GOSHEN TWP DOWNINGTOWN BORO EAST BRANDYWINE TWP EAST FALLOWFIELD TWP WEST BRADFORD TWP
Residential Agriculture 253.57 39.01 273.07 702.18 1072.78 97.53 663.17 546.14 526.64 0.00 136.54 0.00 253.57 585.15 351.09 975.25 0.00 78.02 370.60 0.00 541.70 3.59 1152.14 585.15 136.54 429.11 507.13 58.52 78.02 0.00 0.00 0.00 0.00 364.17 39.01 936.24 78.02 1404.37 0.00 175.55 741.19 526.64 39.01 156.04 409.61 214.56 936.24 39.01 273.07 136.54 136.54 234.06 253.57 1931.00 526.64 214.56 741.19 604.66 19.51 663.17 331.59 0.00 780.20 214.56 760.70 0.00 0.00 936.24 19.51 906.34 0.00 228.80 2165.07 3744.98 97.53 2048.03 273.07 2594.18 19.51 234.06 351.09 331.59 19.51 39.01 1443.38 97.53 1306.84 0.00 195.05 19.51 448.62 39.01 19.51 78.02 19.51 1404.37 117.03 214.56
Open Land 0.00 0.00 117.03
Forest 117.03 409.61 351.09
Water 19.51
Urban 0.00
MS4 Total 741.19 604.66 1189.81 2516.16 4486.17 1189.81 1950.51 1696.94 1618.92 19.51 1189.81 448.62 409.61 2243.09 741.19 3081.80 19.51 136.54 2691.70 58.52 4266.37 30.53 5503.65 3998.54 5617.47 760.70 3842.50 546.14 3003.78 19.51 331.59 624.16 624.16 383.68 78.02 3686.46 487.63 5227.36 39.01 702.18 994.76 2340.61 682.68 273.07 721.69 292.58 3257.35 214.56 1072.78
Subbasin Total 5084.19 5084.19 5084.19 5084.19 8268.16 8268.16 8268.16 6631.34 6631.34 6631.34 6631.34 6631.34 6631.34 8996.74 8996.74 8996.74 8996.74 4804.91 4804.91 6636.33 6636.33 5534.18 5534.18 16344.14 16344.14 16344.14 16344.14 16344.14 7074.39 7013.14 7013.14 1245.87 1245.87 383.68 3733.70 3733.70 1673.35 6837.84 6837.84 6837.84 1537.60 11653.36 11653.36 11653.36 11653.36 11568.11 11568.11 11568.11 11568.11
MS4 Ratio 0.1458 0.1189 0.2340 0.4949 0.5426 0.1439 0.2359 0.2559 0.2441 0.0029 0.1794 0.0677 0.0618 0.2493 0.0824 0.3425 0.0022 0.0284 0.5602 0.0088 0.6429 0.0055 0.9945 0.2446 0.3437 0.0465 0.2351 0.0334 0.4246 0.0028 0.0473 0.5010 0.5010 1.0000 0.0209 0.9873 0.2914 0.7645 0.0057 0.1027 0.6470 0.2009 0.0586 0.0234 0.0619 0.0253 0.2816 0.0185 0.0927
0.00 234.06 0.00 214.56 0.00 156.04 97.53 156.04 0.00 78.02 19.51 195.05 19.51 136.54 0.00 117.03 0.00 97.53 0.00 0.00 39.01 0.00 39.01 0.00 0.00 58.52 19.51 1.80 0.00 58.52 19.51 19.51 58.52 58.52 78.02 0.00 0.00 0.00 0.00 3.59
0.00 1404.37 97.53 1131.30 0.00 19.51 117.03 19.51 0.00 0.00 0.00 58.52 0.00 0.00 0.00 0.00 0.00 7.18 2220.40 487.63 838.72 136.54 351.09 0.00 234.06 97.53 78.02 780.20 117.03 19.51 58.52 19.51 14.36 898.84
0.00 1228.82
0.00 1326.35 622.35 1630.53
47.00 518.45 54.03 949.45 19.51 117.03 19.51 234.06 0.00 136.54 0.00 312.08 0.00 19.51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19.51 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19.51 58.52 0.00 0.00 0.00 0.00 0.00 0.00 39.01 0.00 19.51 58.52 97.53 19.51 39.01 19.51 19.51 39.01
0.00 1111.79 0.00 1482.39 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 39.01 78.02 0.00 0.00 0.00 0.00 0.00 0.00 97.53 975.25 195.05 253.57 0.00 97.53 273.07 292.58 0.00 0.00 273.07 39.01 292.58 136.54 214.56 78.02 195.05 39.01 780.20 39.01 546.14
19.51 1111.79
0.00 175.55
78.02 1599.42 565.65 273.07
39.01 1228.82
39.01 273.07
0.00 136.54
C-2
HSPF Subbasin MS4 Municipality B30 B31 B31 B31 B31 B32 B33 B33 B33 B34 B34 B35 Note: WEST BRANDYWINE TWP EAST MARLBOROUGH TWP NEWLIN TWP PENNSBURY TWP POCOPSON TWP WEST CALN TWP SADSBURY TWP VALLEY TWP WEST CALN TWP WILMINGTON, DE NEW CASTLE CO., DE WALLACE TWP MS4 Total Subbasin Total MS4 Ratio
Residential Agriculture 351.09 663.17 39.01 58.52 780.20 429.11 39.01 214.56 643.67 817.01 152.60 1287.34 799.71 468.12 351.09 1365.36 1033.77 19.51 331.59 1794.47 0.00 60.27
Open Land 39.01 78.02 0.00 0.00 0.00 0.00 19.51 360.92 9.58 0.00
Forest 507.13 253.57 97.53 136.54 741.19 19.51 487.63 154.42 222.06 351.09
Water 0.00 0.00 0.00 0.00 19.51 0.00 0.00
Urban 39.01 19.51 19.51 0.00 78.02 58.52 0.00
MS4 Total 2223.58 1813.97 624.16 546.14 2984.28 2981.99 78.02 1228.82 3783.99 2517.46 1355.68 604.66
Subbasin Total 11568.11 5883.50 5883.50 5883.50 5883.50 2981.99 5139.05 5139.05 5139.05 3873.14 3873.14 3713.47
MS4 Ratio 0.1922 0.3083 0.1061 0.0928 0.5072 1.0000 0.0152 0.2391 0.7363 0.6500 0.3500 0.1628
0.00 1460.59
0.00 175.55 98.76 1086.4 1.52 909.65 0.00 39.01
97.53 1014.26 117.03 117.03
58.52 156.04 = total land area in MS4 municipality = total land area of HSPF subbasin = MS4 Total / Subbasin Total
Table C-2. Land Use Areas (acres) for MS4 Municipalities in Red Clay Creek watershed.
HSPF Subbasin MS4 Municipality R01 R01 R01 R01 R02 R02 R02 R03 R03 R03 R04 R04 R05 R06 R06 R06 R07 R08 R09 Note: EAST MARLBOROUGH TWP KENNETT SQUARE BORO KENNETT TWP NEW GARDEN TWP KENNETT SQUARE BORO KENNETT TWP NEW GARDEN TWP EAST MARLBOROUGH TWP KENNETT SQUARE BORO KENNETT TWP KENNETT TWP NEW CASTLE CO., DE NEW CASTLE CO., DE KENNETT TWP PENNSBURY TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE Residential Agriculture 565.65 136.54 58.52 117.03 0.00 585.15 234.06 546.14 175.55 643.67 195.05 1042.15 1153.92 624.16 78.02 313.61 350.82 1268.17 2847.74 97.53 78.02 331.59 19.51 624.16 1891.99 1345.85 39.01 1677.44 195.05 379.99 492.06 916.74 78.02 933.77 97.20 54.61 Open Land 19.51 19.51 0.00 Forest Water 0.00 78.02 0.00 0.00 0.00 0.00 0.00 0.00 Urban 97.53 97.53 97.53 0.00 0.00 MS4 Total 4466.67 351.09 331.59 702.18 19.51 1852.98 2867.25 2594.18 312.08 3393.89 682.68 2589.55 3353.07 2555.17 292.58 1695.96 1343.59 3442.99 1103.31 Subbasin Total 6448.43 6448.43 6448.43 6448.43 4727.00 4727.00 4727.00 6333.99 6333.99 6333.99 3272.23 3272.23 3353.07 4543.71 4543.71 4543.71 1343.59 3442.99 1103.31 MS4 Ratio 0.6927 0.0544 0.0514 0.1089 0.0041 0.3920 0.6066 0.4096 0.0493 0.5358 0.2086 0.7914 1.0000 0.5624 0.0644 0.3733 1.0000 1.0000 1.0000
39.01 838.72 19.51 156.04
0.00 156.04 0.00 643.67 0.00 604.66 234.06 312.08 0.00 58.52
0.00 136.54 0.00 156.04 0.00 0.00 39.01 0.00
0.00 916.74 19.51 136.54 0.00 292.58 257.52 637.52 26.44 245.93 199.56 1266.25 40.64 200.64 19.51 897.23 0.00 58.52 0.00 0.00 6.01 97.53 78.02 44.67 66.92
213.39 184.51
39.98 596.30 192.37
475.64 464.55 47.93 1132.1 41.68 112.89 4.86 441.99
New Castle Co., DE 501.89 0.00 MS4 Total = total land area in MS4 municipality Subbasin Total = total land area of HSPF subbasin MS4 Ratio = MS4 Total / Subbasin Total
Table C-3. Land Use Areas (acres) for MS4 Municipalities in White Clay Creek watershed.
HSPF Subbasin MS4 Municipality W01 W01 W01 W01 W02 W02 W02 FRANKLIN TWP LONDON BRITAIN TWP NEW LONDON TWP PENN TWP LONDON GROVE TWP NEW LONDON TWP PENN TWP Residential Agriculture 331.59 78.02 507.13 175.55 468.12 39.01 273.07 1423.87 136.54 1014.26 682.68 1618.92 58.52 1306.84 Open Land Forest Water 0.00 0.00 0.00 Urban 0.00 19.51 19.51 0.00 39.01 MS4 Total 2847.74 429.11 2087.04 1092.29 2652.69 156.04 2048.03 Subbasin Total 6537.83 6537.83 6537.83 6537.83 6089.44 6089.44 6089.44 MS4 Ratio 0.4356 0.0656 0.3192 0.1671 0.4356 0.0256 0.3363
0.00 955.75 0.00 214.56 0.00 409.61 0.00 214.56 0.00 58.52
0.00 136.54 0.00 156.04
19.51 507.13 19.51 0.00 409.61 19.51
C-3
HSPF Subbasin MS4 Municipality W02 W03 W03 W03 W04 W04 W04 W05 W06 W06 W06 W07 W07 W08 W08 W08 W09 W09 W09 W10 W10 W11 W11 W11 W12 W12 W13 W14 W15 W15 W16 W17 W17 W17 Note: WEST GROVE BORO FRANKLIN TWP LONDON BRITAIN TWP LONDON GROVE TWP AVONDALE BORO LONDON GROVE TWP WEST GROVE BORO LONDON GROVE TWP AVONDALE BORO LONDON GROVE TWP NEW GARDEN TWP AVONDALE BORO NEW GARDEN TWP FRANKLIN TWP LONDON GROVE TWP NEW GARDEN TWP FRANKLIN TWP LONDON BRITAIN TWP NEW GARDEN TWP LONDON BRITAIN TWP NEW CASTLE CO., DE LONDON BRITAIN TWP NEWARK, DE NEW CASTLE CO., DE NEWARK, DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEW CASTLE CO., DE NEW CASTLE CO., DE KENNETT TWP NEW GARDEN TWP
Residential Agriculture 156.04 234.06 448.62 195.05 39.01 312.08 58.52 0.00 58.52 39.01 58.52 19.51 136.54 117.03 214.56 390.10 0.00 273.07 546.14 292.58 208.24 58.52 308.85 25.21 470.45 881.65 92.06 232.26 7.18 354.20 1656.07 19.51 0.00 19.51 838.72 624.16 253.57 19.51 2145.56 39.01 136.54 0.00 1891.99 448.62 58.52 546.14 351.09 624.16 1306.84 19.51 468.12 877.73 429.11 305.42 117.03 114.92 415.38 197.52 329.92 149.15 0.00 0.00 734.14 357.50 175.55 58.52
Open Land 0.00
Forest Water 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Urban 58.52 0.00 0.00 19.51 0.00 39.01 0.00 0.00 39.01 97.53 19.51 39.01 0.00 19.51 58.52 0.00 0.00 19.51 13.82 19.51
MS4 Total 234.06 1657.93 1774.96 663.17 78.02 3549.93 195.05 195.05 117.03 2321.11 1014.26 117.03 838.72 604.66 1599.42 2535.66 19.51 1404.37 2262.59 1345.85 957.84 351.09 917.56 2906.43 1637.60 3972.96 1338.85 2184.84 7.18 2482.43 4249.78 214.56 58.52 8047.68
Subbasin Total 6089.44 4063.37 4063.37 4063.37 3971.00 3971.00 3971.00 1705.95 5484.38 5484.38 5484.38 877.92 877.92 4776.15 4776.15 4776.15 4386.93 4386.93 4386.93 2303.61 2303.61 4175.09 4175.09 4175.09 5610.56 5610.56 1338.85 2184.84 2489.61 2489.61 4249.78 8320.77 8320.77 8320.77
MS4 Ratio 0.0384 0.4080 0.4368 0.1632 0.0196 0.8940 0.0491 0.1143 0.0213 0.4232 0.1849 0.1333 0.9553 0.1266 0.3349 0.5309 0.0044 0.3201 0.5158 0.5842 0.4158 0.0841 0.2198 0.6961 0.2919 0.7081 1.0000 1.0000 0.0029 0.9971 1.0000 0.0258 0.0070 0.9672
0.00 585.15 0.00 195.05 0.00 19.51 0.00 0.00 19.51 39.01 58.52 58.52
0.00 682.68 19.51
19.51 916.74 19.51 136.54
0.00 351.09 136.54 273.07 0.00 0.00 19.51
97.53 19.51
0.00 136.54 39.01 702.18 0.00 780.20 0.00 0.00
0.00 643.67 19.51 0.00 604.66 0.00 430.36 0.00 156.04 122.10 251.39 0.00 0.00 0.00
0.00 604.66 39.01 195.05
8.98 111.33
175.09 1882.36 24.17 384.21 156.22 125.69 14.36 673.36 391.80 476.03 38.16 1855.4 95.56 152.54 20.96 828.58 473.83 304.83 314.16 859.76 0.00 0.00 0.00 0.00 81.03 1050.46 387.82 547.53 0.00 0.00 19.51 0.00 0.00 262.60 0.00 1300.9 0.00 0.00 0.00 0.00
NEW CASTLE CO., DE 2847.08 672.52 MS4 Total = total land area in MS4 municipality Subbasin Total = total land area of HSPF subbasin MS4 Ratio = MS4 Total / Subbasin Total
844.32 952.36
0.03 2731.4
Table C-4. Land Use Areas (acres) for MS4 Municipalities in Christina River Watershed
HSPF Subbasin MS4 Municipality C01 C01 C02 C02 C03 C03 C04 C04 C05 NEWARK, DE NEW CASTLE CO., DE NEWARK, DE NEW CASTLE CO., DE NEWARK, DE NEW CASTLE CO., DE WILMINGTON, DE NEW CASTLE CO., DE WILMINGTON, DE Residential Agriculture 28.73 94.94 1095.33 27.32 360.92 277.57 3.59 1012.41 333.99 39.50 357.76 0.00 523.32 98.76 164.73 0.00 48.63 0.00 Open Land 12.57 Forest Water 23.34 0.00 0.00 0.00 1.32 5.23 0.00 8.45 0.00 Urban 168.79 38.18 253.18 139.09 569.21 673.40 1.80 1424.17 86.19 MS4 Total 272.93 837.18 1687.88 956.18 1283.87 1619.36 7.18 3436.43 502.77 Subbasin Total 4288.78 4288.78 6227.34 6227.34 2903.23 2903.23 3443.61 3443.61 2459.29 MS4 Ratio 0.0636 0.1952 0.2710 0.1535 0.4422 0.5578 0.0021 0.9979 0.2044
90.37 255.93 174.18 165.20 6.57 258.56 95.85 402.58 1.80 52.07 0.00 30.53 315.16 627.61
122.10 122.10 10.77
C-4
HSPF Subbasin MS4 Municipality C05 C06 C06 C07 C08 C09 C09 C09 Note: NEW CASTLE CO., DE NEWARK, DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWPORT, DE WILMINGTON, DE
Residential Agriculture 181.40 0.00 786.46 843.87 1716.70 48.48 628.47 0.00 0.00 817.40 344.68 357.44 0.00 0.00
Open Land 0.00
Forest Water 10.77 0.00
Urban 1244.51 0.00 1037.13 1127.56 2706.49 210.09 1203.06 5676.83
MS4 Total 1956.51 10.77 5291.24 4077.59 7137.21 292.69 2605.44 11104.80
Subbasin Total 2459.29 5532.47 5532.47 4077.59 7137.21 14002.93 14002.93 14002.93
MS4 Ratio 0.7956 0.0019 0.9564 1.0000 1.0000 0.0209 0.1861 0.7930
319.94 183.63 27.03 564.42 2025.95 59.89 328.54 1398.69 34.25 476.20 1843.67 36.71 17.96 518.93 0.00 16.16 0.00 254.98
NEW CASTLE CO., DE 836.12 251.48 MS4 Total = total land area in MS4 municipality Subbasin Total = total land area of HSPF subbasin MS4 Ratio = MS4 Total / Subbasin Total
2265.00 1746.20 329.18
Table C-5a. Total nitrogen MS4 baseline loads for Brandywine Creek watershed (kg/day)
MS4 Municipality COATESVILLE CITY COATESVILLE CITY COATESVILLE CITY EAST BRANDYWINE TWP EAST FALLOWFIELD TWP EAST FALLOWFIELD TWP HONEY BROOK BORO HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP KENNETT TWP MODENA BORO MODENA BORO NEWLIN TWP PENNSBURY TWP SADSBURY TWP SADSBURY TWP UPPER UWCHLAN TWP VALLEY TWP VALLEY TWP VALLEY TWP VALLEY TWP WALLACE TWP WALLACE TWP WEST BRADFORD TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WILMINGTON, DE Subbasin B03 B04 B05 B10 B05 B06 B01 B01 B02 B09 B10 B17 B05 B06 B06 B17 B05 B33 B10 B03 B04 B05 B33 B09 B10 B06 B02 B03 B10 B01 B02 B03 B32 B33 B19 Residential 0.00 0.20 6.70 17.64 1.88 21.92 5.40 13.21 6.14 7.86 1.26 1.36 0.27 0.47 0.00 6.47 0.27 0.72 2.10 0.40 0.20 4.55 3.97 1.05 15.12 3.26 10.87 15.69 8.82 2.40 8.51 5.23 4.17 11.91 0.04 Agriculture 0.00 0.00 0.00 17.64 4.55 33.58 3.60 203.52 1.89 72.83 0.42 0.00 0.00 0.93 1.40 16.35 0.80 0.36 4.20 1.21 0.40 8.04 6.14 2.62 38.65 8.39 15.61 14.49 17.64 0.00 15.12 10.06 10.05 34.10 0.00 OpenLand 0.00 0.00 0.27 0.42 0.00 0.93 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.27 0.36 0.00 1.26 0.00 0.00 0.00 0.42 0.00 0.47 0.40 0.00 1.80 0.08 Forest 0.80 1.81 1.61 17.64 7.77 34.51 0.00 46.23 19.85 24.63 1.26 1.02 0.54 0.93 4.20 23.16 0.27 0.36 4.20 1.21 2.15 8.30 9.02 6.29 56.72 5.60 17.96 13.68 15.96 11.41 14.18 13.28 14.20 18.77 0.17 Water Urban 0.00 0.00 0.00 0.42 0.00 0.00 0.00 0.60 0.00 7.34 0.84 0.00 0.27 0.00 0.00 1.02 0.00 0.00 0.00 0.00 0.00 0.27 0.00 0.00 0.00 0.00 0.47 0.00 0.42 0.00 0.47 0.40 0.00 2.17 0.02 0.00 0.40 4.29 0.42 2.14 3.26 0.60 11.41 0.47 1.05 0.84 0.00 0.00 1.40 0.93 0.00 0.27 0.00 0.42 1.21 0.20 6.43 3.25 1.05 3.78 0.00 1.89 0.40 1.68 0.60 0.47 0.80 0.57 2.17 0.04 Subtotal 0.80 2.42 12.86 54.19 16.34 94.20 9.61 274.96 28.35 113.70 4.62 2.38 1.07 3.73 6.53 47.00 1.61 1.44 10.92 4.02 2.95 27.86 22.74 11.00 115.53 17.25 46.80 44.26 44.95 14.41 39.22 30.18 29.00 70.91 0.36 22.43 183.72 17.25 136.01 126.53 10.92 57.57 6.53 47.00 3.05 2.38 4.80 9.61 421.64 54.19 110.54 Total 16.08
C-5
MS4 Municipality WILMINGTON, DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE
Subbasin B34 B17 B18 B19 B34
Residential 7.16 10.56 8.47 13.47 1.34
Agriculture 0.00 19.25 14.18 2.68 0.53
OpenLand 3.16 5.13 9.73 25.96 0.08
Forest 1.35 36.99 25.50 10.51 1.95
Water Urban 0.87 1.07 0.74 0.63 0.01 9.53 1.69 8.11 11.10 7.98
Subtotal 22.07 74.70 66.73 64.35 11.89
Total
217.66
Table C-5b. Total nitrogen MS4 allocations for Brandywine Creek watershed (kg/day)
MS4 Municipality COATESVILLE CITY COATESVILLE CITY COATESVILLE CITY EAST BRANDYWINE TWP EAST FALLOWFIELD TWP EAST FALLOWFIELD TWP HONEY BROOK BORO HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP KENNETT TWP MODENA BORO MODENA BORO NEWLIN TWP PENNSBURY TWP SADSBURY TWP SADSBURY TWP UPPER UWCHLAN TWP VALLEY TWP VALLEY TWP VALLEY TWP VALLEY TWP WALLACE TWP WALLACE TWP WEST BRADFORD TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WILMINGTON, DE WILMINGTON, DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE Subbasin B03 B04 B05 B10 B05 B06 B01 B01 B02 B09 B10 B17 B05 B06 B06 B17 B05 B33 B10 B03 B04 B05 B33 B09 B10 B06 B02 B03 B10 B01 B02 B03 B32 B33 B19 B34 B17 B18 B19 B34 Residential 0.00 0.20 4.02 14.47 1.13 15.34 3.24 7.92 3.69 6.45 1.03 1.27 0.16 0.33 0.00 6.02 0.16 0.65 1.72 0.36 0.20 2.73 3.57 0.86 12.40 2.29 6.52 14.12 7.23 1.44 5.10 4.71 3.76 10.72 0.04 7.16 9.82 8.47 13.47 1.34 Agriculture 0.00 0.00 0.00 14.47 2.73 23.50 2.16 122.11 1.13 59.72 0.34 0.00 0.00 0.65 0.98 15.20 0.48 0.32 3.44 1.09 0.40 4.82 5.52 2.15 31.69 5.88 9.37 13.04 14.47 0.00 9.07 9.05 9.05 30.69 0.00 0.00 17.90 14.18 2.68 0.53 OpenLand 0.00 0.00 0.16 0.34 0.00 0.65 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.16 0.32 0.00 1.03 0.00 0.00 0.00 0.34 0.00 0.28 0.36 0.00 1.62 0.08 3.16 4.77 9.73 25.96 0.08 Forest 0.72 1.81 0.96 14.47 4.66 24.16 0.00 27.74 11.91 20.19 1.03 0.95 0.32 0.65 2.94 21.54 0.16 0.32 3.44 1.09 2.15 4.98 8.12 5.16 46.51 3.92 10.77 12.31 13.09 6.84 8.51 11.95 12.78 16.89 0.17 1.35 34.40 25.50 10.51 1.95 Water Urban 0.00 0.00 0.00 0.34 0.00 0.00 0.00 0.36 0.00 6.02 0.69 0.00 0.16 0.00 0.00 0.95 0.00 0.00 0.00 0.00 0.00 0.16 0.00 0.00 0.00 0.00 0.28 0.00 0.34 0.00 0.28 0.36 0.00 1.95 0.02 0.87 1.00 0.74 0.63 0.01 0.00 0.40 2.57 0.34 1.29 2.29 0.36 6.84 0.28 0.86 0.69 0.00 0.00 0.98 0.65 0.00 0.16 0.00 0.34 1.09 0.20 3.86 2.92 0.86 3.10 0.00 1.13 0.36 1.38 0.36 0.28 0.72 0.51 1.95 0.04 9.53 1.57 8.11 11.10 7.98 Subtotal 0.72 2.42 7.71 44.44 9.80 65.94 5.76 164.98 17.01 93.24 3.79 2.22 0.64 2.61 4.57 43.71 0.96 1.30 8.96 3.62 2.95 16.71 20.46 9.02 94.74 12.08 28.08 39.84 36.86 8.65 23.53 27.16 26.10 63.82 0.36 22.07 69.47 66.73 64.35 11.89 212.43 22.43 149.26 12.08 104.78 103.76 8.96 43.75 4.57 43.71 2.26 2.22 3.25 5.76 279.02 44.44 75.74 Total 10.86
C-6
Table C-6a. Total phosphorus MS4 baseline loads for Brandywine Creek watershed (kg/day)
MS4 Municipality COATESVILLE CITY COATESVILLE CITY COATESVILLE CITY EAST BRANDYWINE TWP EAST FALLOWFIELD TWP EAST FALLOWFIELD TWP HONEY BROOK BORO HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP KENNETT TWP MODENA BORO MODENA BORO NEWLIN TWP PENNSBURY TWP SADSBURY TWP SADSBURY TWP UPPER UWCHLAN TWP VALLEY TWP VALLEY TWP VALLEY TWP VALLEY TWP WALLACE TWP WALLACE TWP WEST BRADFORD TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WILMINGTON, DE WILMINGTON, DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE Subbasin B03 B04 B05 B10 B05 B06 B01 B01 B02 B09 B10 B17 B05 B06 B06 B17 B05 B33 B10 B03 B04 B05 B33 B09 B10 B06 B02 B03 B10 B01 B02 B03 B32 B33 B19 B34 B17 B18 B19 B34 Residential 0.000 0.037 1.263 0.269 0.354 4.487 0.103 0.252 0.117 0.120 0.019 0.122 0.051 0.095 0.000 0.579 0.051 0.013 0.032 0.073 0.037 0.859 0.072 0.016 0.231 0.668 0.208 2.854 0.134 0.046 0.162 0.951 0.309 0.217 0.002 0.600 0.945 0.701 0.495 0.112 Agriculture 0.000 0.000 0.000 0.269 0.859 6.874 0.069 3.889 0.036 1.110 0.006 0.000 0.000 0.191 0.286 1.463 0.152 0.007 0.064 0.220 0.074 1.515 0.112 0.040 0.589 1.718 0.298 2.635 0.269 0.000 0.289 1.830 0.744 0.620 0.000 0.000 1.723 1.173 0.098 0.044 OpenLand 0.000 0.000 0.051 0.006 0.000 0.191 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.051 0.007 0.000 0.019 0.000 0.000 0.000 0.006 0.000 0.009 0.073 0.000 0.033 0.003 0.265 0.459 0.805 0.953 0.007 Forest 0.146 0.334 0.303 0.269 1.465 7.065 0.000 0.883 0.379 0.375 0.019 0.091 0.101 0.191 0.859 2.073 0.051 0.007 0.064 0.220 0.395 1.566 0.164 0.096 0.864 1.146 0.343 2.489 0.243 0.218 0.271 2.415 1.052 0.341 0.006 0.113 3.311 2.110 0.386 0.163 Water 0.000 0.000 0.000 0.006 0.000 0.000 0.000 0.011 0.000 0.112 0.013 0.000 0.051 0.000 0.000 0.091 0.000 0.000 0.000 0.000 0.000 0.051 0.000 0.000 0.000 0.000 0.009 0.000 0.006 0.000 0.009 0.073 0.000 0.039 0.001 0.072 0.096 0.061 0.023 0.001 Urban 0.000 0.074 0.808 0.006 0.404 0.668 0.011 0.218 0.009 0.016 0.013 0.000 0.000 0.286 0.191 0.000 0.051 0.000 0.006 0.220 0.037 1.212 0.059 0.016 0.058 0.000 0.036 0.073 0.026 0.011 0.009 0.146 0.042 0.039 0.002 0.797 0.151 0.671 0.408 0.668 Subtotal 0.146 0.445 2.424 0.826 3.081 19.284 0.184 5.254 0.542 1.734 0.070 0.213 0.202 0.764 1.337 4.206 0.303 0.026 0.166 0.732 0.543 5.253 0.413 0.168 1.761 3.532 0.894 8.051 0.685 0.275 0.749 5.489 2.147 1.289 0.013 1.848 6.685 5.520 2.363 0.995 15.563 1.861 9.950 3.532 9.630 1.929 0.166 6.941 1.337 4.206 0.329 0.213 0.966 0.184 7.599 0.826 22.365 Total 3.015
Table C-6b. Total phosphorus MS4 allocations for Brandywine Creek watershed (kg/day)
MS4 Municipality COATESVILLE CITY COATESVILLE CITY COATESVILLE CITY EAST BRANDYWINE TWP Subbasin Residential B03 B04 B05 B10 0.000 0.037 0.758 0.221 Agriculture 0.000 0.000 0.000 0.221 OpenLand 0.000 0.000 0.030 0.005 Forest 0.132 0.334 0.182 0.221 Water 0.000 0.000 0.000 0.005 Urban 0.000 0.074 0.485 0.005 Subtotal 0.132 0.445 1.455 0.677 0.677 Total 2.031
C-7
MS4 Municipality EAST FALLOWFIELD TWP EAST FALLOWFIELD TWP HONEY BROOK BORO HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP HONEY BROOK TWP KENNETT TWP MODENA BORO MODENA BORO NEWLIN TWP PENNSBURY TWP SADSBURY TWP SADSBURY TWP UPPER UWCHLAN TWP VALLEY TWP VALLEY TWP VALLEY TWP VALLEY TWP WALLACE TWP WALLACE TWP WEST BRADFORD TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST BRANDYWINE TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WEST CALN TWP WILMINGTON, DE WILMINGTON, DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE
Subbasin Residential B05 B06 B01 B01 B02 B09 B10 B17 B05 B06 B06 B17 B05 B33 B10 B03 B04 B05 B33 B09 B10 B06 B02 B03 B10 B01 B02 B03 B32 B33 B19 B34 B17 B18 B19 B34 0.212 3.141 0.062 0.151 0.070 0.098 0.016 0.113 0.030 0.067 0.000 0.539 0.030 0.012 0.026 0.066 0.037 0.515 0.065 0.013 0.189 0.468 0.125 2.569 0.110 0.028 0.097 0.856 0.278 0.195 0.002 0.600 0.879 0.701 0.495 0.112
Agriculture 0.515 4.812 0.041 2.333 0.022 0.911 0.005 0.000 0.000 0.134 0.200 1.360 0.091 0.006 0.053 0.198 0.074 0.909 0.100 0.033 0.483 1.203 0.179 2.371 0.221 0.000 0.173 1.647 0.670 0.558 0.000 0.000 1.602 1.173 0.098 0.044
OpenLand 0.000 0.134 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.030 0.006 0.000 0.016 0.000 0.000 0.000 0.005 0.000 0.005 0.066 0.000 0.030 0.003 0.265 0.427 0.805 0.953 0.007
Forest 0.879 4.945 0.000 0.530 0.227 0.308 0.016 0.085 0.061 0.134 0.601 1.927 0.030 0.006 0.053 0.198 0.395 0.939 0.148 0.079 0.709 0.802 0.206 2.240 0.200 0.131 0.162 2.174 0.947 0.307 0.006 0.113 3.079 2.110 0.386 0.163
Water 0.000 0.000 0.000 0.007 0.000 0.092 0.011 0.000 0.030 0.000 0.000 0.085 0.000 0.000 0.000 0.000 0.000 0.030 0.000 0.000 0.000 0.000 0.005 0.000 0.005 0.000 0.005 0.066 0.000 0.035 0.001 0.072 0.089 0.061 0.023 0.001
Urban 0.242 0.468 0.007 0.131 0.005 0.013 0.011 0.000 0.000 0.200 0.134 0.000 0.030 0.000 0.005 0.198 0.037 0.727 0.053 0.013 0.047 0.000 0.022 0.066 0.021 0.007 0.005 0.132 0.038 0.035 0.002 0.797 0.141 0.671 0.408 0.668
Subtotal 1.849 13.499 0.110 3.152 0.325 1.421 0.058 0.198 0.121 0.535 0.936 3.911 0.182 0.024 0.137 0.659 0.543 3.152 0.372 0.138 1.444 2.473 0.536 7.246 0.562 0.165 0.450 4.940 1.933 1.161 0.013 1.848 6.217 5.520 2.363 0.995
Total 15.348 0.110 4.956
0.198 0.656 0.936 3.911 0.205 0.137 4.726
1.582 2.473 8.344
8.649
1.861
15.095
Table C-7a. Total nitrogen MS4 baseline loads for Red Clay Creek watershed (kg/day)
MS4 Municipality EAST MARLBOROUGH TWP EAST MARLBOROUGH TWP KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT TWP KENNETT TWP KENNETT TWP KENNETT TWP Subbasin R01 R03 R01 R02 R03 R01 R02 R03 R04 Residential 11.13 10.36 2.69 0.00 3.33 1.15 12.96 12.21 2.38 Agriculture OpenLand 56.05 25.53 1.92 0.43 0.74 1.54 13.82 31.82 2.38 0.77 4.44 0.38 0.00 0.00 0.38 0.00 0.00 0.00 Forest 16.51 5.92 0.00 0.00 1.11 1.54 14.25 17.39 3.58 Water 0.38 0.00 0.00 0.00 0.00 0.00 0.00 0.37 0.00 Urban Subtotal 3.07 2.96 1.92 0.00 0.74 1.92 0.00 2.59 0.00 87.92 49.21 6.91 0.43 5.92 6.53 41.03 64.38 8.34 157.97 13.26 Total 137.13
C-8
MS4 Municipality KENNETT TWP NEW GARDEN TWP NEW GARDEN TWP PENNSBURY TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE
Subbasin R06 R01 R02 R06 R04 R05 R06 R07 R08 R09
Residential 9.21 2.30 5.18 1.15 12.73 11.95 4.63 0.79 8.80 3.34
Agriculture OpenLand 13.52 6.53 41.62 1.15 4.64 5.09 13.77 0.22 0.38 0.00 0.29 0.00 0.00 0.00 3.15 2.07 3.15 0.09 3.30 0.28
Forest 13.23 3.07 13.39 0.86 7.79 13.11 2.72 1.34 3.22 0.75
Water 0.00 0.00 0.00 0.00 0.32 0.42 0.09 0.43 0.33 0.03
Urban Subtotal 1.44 1.92 3.02 1.15 3.01 2.08 0.66 0.15 7.85 2.94 37.69 13.82 63.21 4.32 31.64 34.71 25.01 3.01 23.88 7.35
Total
77.03
4.32 125.61
Table C-7b. Total nitrogen MS4 allocations for Red Clay Creek watershed (kg/day)
MS4 Municipality EAST MARLBOROUGH TWP EAST MARLBOROUGH TWP KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT TWP KENNETT TWP KENNETT TWP KENNETT TWP KENNETT TWP NEW GARDEN TWP NEW GARDEN TWP PENNSBURY TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE New Castle Co., DE Subbasin R01 R03 R01 R02 R03 R01 R02 R03 R04 R06 R01 R02 R06 R04 R05 R06 R07 R08 R09 Residential 5.57 5.18 1.34 0.00 1.66 0.58 6.48 6.10 1.19 9.21 1.15 2.59 1.15 6.37 5.97 4.63 0.79 8.80 3.34 Agriculture OpenLand 28.03 12.76 0.96 0.22 0.37 0.77 6.91 15.91 1.19 13.52 3.26 20.81 1.15 2.32 2.55 13.77 0.22 0.38 0.00 0.38 2.22 0.19 0.00 0.00 0.19 0.00 0.00 0.00 0.29 0.00 0.00 0.00 1.57 1.03 3.15 0.09 3.30 0.28 Forest 8.25 2.96 0.00 0.00 0.55 0.77 7.13 8.69 1.79 13.23 1.54 6.69 0.86 3.89 6.55 2.72 1.34 3.22 0.75 Water 0.19 0.00 0.00 0.00 0.00 0.00 0.00 0.18 0.00 0.00 0.00 0.00 0.00 0.16 0.21 0.09 0.43 0.33 0.03 Urban Subtotal 1.54 1.48 0.96 0.00 0.37 0.96 0.00 1.29 0.00 1.44 0.96 1.51 1.15 1.50 1.04 0.66 0.15 7.85 2.94 43.96 24.60 3.46 0.22 2.96 3.26 20.52 32.19 4.17 37.69 6.91 31.61 4.32 15.82 17.36 25.01 3.01 23.88 7.35 4.32 92.43 38.52 97.83 6.63 Total 68.56
Table C-8a. Total phosphorus MS4 baseline loads for Red Clay Creek watershed (kg/day)
MS4 Municipality EAST MARLBOROUGH TWP EAST MARLBOROUGH TWP KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT TWP KENNETT TWP KENNETT TWP KENNETT TWP KENNETT TWP NEW GARDEN TWP NEW GARDEN TWP Subbasin R01 R03 R01 R02 R03 R01 R02 R03 R04 R06 R01 R02 Residential 0.200 0.245 0.048 0.000 0.079 0.021 5.629 0.289 0.382 0.174 0.041 2.252 Agriculture OpenLand 1.006 0.605 0.034 0.188 0.018 0.028 6.004 0.753 0.382 0.256 0.117 18.078 0.014 0.105 0.007 0.000 0.000 0.007 0.000 0.000 0.000 0.005 0.000 0.000 Forest 0.296 0.140 0.000 0.000 0.026 0.028 6.192 0.412 0.573 0.251 0.055 5.817 Water 0.007 0.000 0.000 0.000 0.000 0.000 0.000 0.009 0.000 0.000 0.000 0.000 Urban Subtotal 0.055 0.070 0.034 0.000 0.018 0.034 0.000 0.061 0.000 0.027 0.034 1.313 1.577 1.165 0.124 0.188 0.140 0.117 17.825 1.524 1.337 0.714 0.248 27.460 27.708 21.517 0.452 Total 2.742
C-9
MS4 Municipality PENNSBURY TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE
Subbasin R06 R04 R05 R06 R07 R08 R09
Residential 0.022 2.041 1.462 0.088 0.111 0.509 0.164
Agriculture OpenLand 0.022 0.744 0.624 0.261 0.031 0.022 0.000 0.000 0.504 0.253 0.060 0.013 0.191 0.014
Forest 0.016 1.248 1.605 0.052 0.188 0.187 0.037
Water 0.000 0.052 0.051 0.002 0.061 0.019 0.002
Urban Subtotal 0.022 0.482 0.254 0.012 0.021 0.455 0.144 0.082 5.070 4.249 0.474 0.424 1.383 0.360
Total 0.082 11.960
Table C-8b. Total phosphorus MS4 allocations for Red Clay Creek watershed (kg/day)
MS4 Municipality EAST MARLBOROUGH TWP EAST MARLBOROUGH TWP KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT SQUARE BORO KENNETT TWP KENNETT TWP KENNETT TWP KENNETT TWP KENNETT TWP NEW GARDEN TWP NEW GARDEN TWP PENNSBURY TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE Subbasin R01 R03 R01 R02 R03 R01 R02 R03 R04 R06 R01 R02 R06 R04 R05 R06 R07 R08 R09 Residential 0.100 0.123 0.024 0.000 0.039 0.010 0.563 0.145 0.118 0.174 0.021 0.225 0.022 0.633 1.462 0.088 0.111 0.509 0.164 Agriculture OpenLand 0.503 0.302 0.017 0.019 0.009 0.014 0.600 0.377 0.118 0.256 0.059 1.808 0.022 0.231 0.624 0.261 0.031 0.022 0.000 0.007 0.053 0.003 0.000 0.000 0.003 0.000 0.000 0.000 0.005 0.000 0.000 0.000 0.156 0.253 0.060 0.013 0.191 0.014 Forest 0.148 0.070 0.000 0.000 0.013 0.014 0.619 0.206 0.178 0.251 0.028 0.582 0.016 0.387 1.605 0.052 0.188 0.187 0.037 Water 0.003 0.000 0.000 0.000 0.000 0.000 0.000 0.004 0.000 0.000 0.000 0.000 0.000 0.016 0.051 0.002 0.061 0.019 0.002 Urban Subtotal 0.028 0.035 0.017 0.000 0.009 0.017 0.000 0.031 0.000 0.027 0.017 0.131 0.022 0.149 0.254 0.012 0.021 0.455 0.144 0.789 0.583 0.062 0.019 0.070 0.059 1.782 0.762 0.414 0.714 0.124 2.746 0.082 1.572 4.249 0.474 0.424 1.383 0.360 0.082 8.461 2.870 3.731 0.151 Total 1.372
Table C-9a. Total nitrogen MS4 baseline loads for White Clay Creek watershed (kg/day)
MS4 Municipality AVONDALE BORO AVONDALE BORO AVONDALE BORO FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP KENNETT TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON GROVE TWP LONDON GROVE TWP Subbasin W04 W06 W07 W01 W03 W08 W09 W17 W01 W03 W09 W10 W11 W02 W03 Residential 0.82 1.80 0.65 7.96 5.03 3.17 0.00 0.20 1.87 9.63 4.95 4.18 0.56 10.28 4.19 Agriculture OpenLand 0.41 0.00 1.96 36.16 17.31 9.52 0.35 1.78 3.28 13.41 8.48 6.14 1.11 35.56 5.45 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.43 0.00 Forest 0.41 1.80 0.65 22.96 12.57 3.70 0.00 0.20 5.15 14.66 11.67 8.65 1.48 11.14 4.19 Water 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.42 0.35 0.00 0.00 0.43 0.00 Urban Subtotal 0.00 0.00 0.65 3.28 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.28 0.19 0.43 0.42 1.64 3.60 3.93 70.36 34.91 16.39 0.35 2.17 10.31 38.12 25.45 19.25 3.34 58.27 14.24 262.76 2.17 96.47 122.01 Total 9.16
C-10
MS4 Municipality LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW LONDON TWP NEW LONDON TWP PENN TWP PENN TWP WEST GROVE BORO WEST GROVE BORO NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEWARK, DE NEWARK, DE
Subbasin W04 W06 W08 W06 W07 W08 W09 W17 W01 W02 W01 W02 W02 W04 W10 W11 W12 W13 W14 W15 W16 W17 W11 W12 W15
Residential 6.55 1.20 5.82 1.80 4.58 10.57 9.90 0.00 12.18 0.86 4.22 6.00 3.43 1.23 2.98 0.24 8.27 0.88 1.44 4.95 15.21 28.83 2.94 4.41 0.10
Agriculture OpenLand 45.04 58.19 17.91 13.80 15.72 35.42 15.91 0.59 24.36 1.29 16.40 28.71 0.43 0.82 4.37 3.95 3.09 1.43 0.00 10.26 3.28 6.81 1.09 1.85 0.00 0.41 0.00 1.06 4.20 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.41 0.00 1.67 3.67 0.92 2.94 1.13 3.56 8.55 1.16 1.46 0.00
Forest 19.24 10.80 19.03 8.40 3.27 21.15 10.96 0.00 9.84 1.29 5.15 9.00 0.00 0.82 6.16 17.91 4.46 1.47 1.89 14.68 5.03 9.64 2.39 1.18 0.00
Water 0.41 0.00 0.00 0.00 0.65 0.00 0.71 0.00 0.00 0.00 0.00 0.43 0.00 0.00 0.00 0.23 0.36 0.20 1.95 0.00 0.00 0.00 0.09 0.13 0.00
Urban Subtotal 2.87 1.20 0.53 3.00 1.31 1.59 3.53 0.00 3.75 0.00 0.47 0.86 1.29 0.82 0.20 3.65 17.40 7.96 5.34 3.67 11.94 27.66 1.06 6.31 0.00 74.52 71.38 44.34 31.19 25.54 68.73 41.00 0.59 50.13 3.43 26.24 44.99 5.14 4.09 13.70 27.65 37.26 12.87 13.57 34.70 39.02 81.48 8.73 15.36 0.10
Total
167.06
53.56 71.23 9.24
260.24
24.18
Table C-9b. Total nitrogen MS4 allocations for White Clay Creek watershed (kg/day)
MS4 Municipality AVONDALE BORO AVONDALE BORO AVONDALE BORO FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP KENNETT TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP NEW GARDEN TWP NEW GARDEN TWP Subbasin W04 W06 W07 W01 W03 W08 W09 W17 W01 W03 W09 W10 W11 W02 W03 W04 W06 W08 W06 W07 Residential 0.41 0.90 0.33 3.98 2.51 1.59 0.00 0.20 0.94 4.82 2.47 2.09 0.56 4.63 2.09 3.28 0.60 2.91 0.90 2.29 Agriculture OpenLand 0.20 0.00 0.98 18.08 8.66 4.76 0.18 1.78 1.64 6.70 4.24 3.07 1.11 16.00 2.72 22.52 29.09 8.95 6.90 7.86 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.00 0.20 0.00 0.53 2.10 0.00 Forest 0.20 0.90 0.33 11.48 6.28 1.85 0.00 0.20 2.58 7.33 5.83 4.32 1.48 5.01 2.09 9.62 5.40 9.52 4.20 1.64 Water 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.21 0.18 0.00 0.00 0.19 0.00 0.20 0.00 0.00 0.00 0.33 Urban Subtotal 0.00 0.00 0.33 1.64 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.14 0.19 0.19 0.21 1.43 0.60 0.26 1.50 0.65 0.82 1.80 1.96 35.18 17.45 8.20 0.18 2.17 5.15 19.06 12.73 9.63 3.34 26.22 7.12 37.26 35.69 22.17 15.60 12.77 83.83 128.47 2.17 49.90 61.01 Total 4.58
C-11
MS4 Municipality NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW LONDON TWP NEW LONDON TWP PENN TWP PENN TWP WEST GROVE BORO WEST GROVE BORO NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEWARK, DE NEWARK, DE
Subbasin W08 W09 W17 W01 W02 W01 W02 W02 W04 W10 W11 W12 W13 W14 W15 W16 W17 W11 W12 W15
Residential 5.29 4.95 0.00 6.09 0.39 2.11 2.70 1.54 0.61 1.49 0.24 8.27 0.88 1.44 4.95 15.21 28.83 2.94 4.41 0.10
Agriculture OpenLand 17.71 7.95 0.59 12.18 0.58 8.20 12.92 0.19 0.41 2.18 3.95 3.09 1.43 0.00 10.26 3.28 6.81 1.09 1.85 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.20 0.00 1.67 3.67 0.92 2.94 1.13 3.56 8.55 1.16 1.46 0.00
Forest 10.57 5.48 0.00 4.92 0.58 2.58 4.05 0.00 0.41 3.08 17.91 4.46 1.47 1.89 14.68 5.03 9.64 2.39 1.18 0.00
Water 0.00 0.35 0.00 0.00 0.00 0.00 0.19 0.00 0.00 0.00 0.23 0.36 0.20 1.95 0.00 0.00 0.00 0.09 0.13 0.00
Urban Subtotal 0.79 1.77 0.00 1.87 0.00 0.23 0.39 0.58 0.41 0.10 3.65 17.40 7.96 5.34 3.67 11.94 27.66 1.06 6.31 0.00 34.37 20.50 0.59 25.07 1.54 13.12 20.24 2.31 2.05 6.85 27.65 37.26 12.87 13.57 34.70 39.02 81.48 8.73 15.36 0.10
Total
26.61 33.36 4.36
253.39
24.18
Table C-10a. Total phosphorus MS4 baseline loads for White Clay Creek watershed (kg/day)
MS4 Municipality AVONDALE BORO AVONDALE BORO AVONDALE BORO FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP KENNETT TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW LONDON TWP NEW LONDON TWP Subbasin W04 W06 W07 W01 W03 W08 W09 W17 W01 W03 W09 W10 W11 W02 W03 W04 W06 W08 W06 W07 W08 W09 W17 W01 W02 Residential 0.011 0.024 0.042 0.097 0.964 1.470 0.000 0.005 0.023 1.848 0.966 0.623 0.077 0.109 0.803 0.092 0.016 2.695 0.024 0.294 4.900 1.932 0.000 0.149 0.009 Agriculture OpenLand 0.006 0.000 0.126 0.442 3.320 4.410 0.069 0.045 0.040 2.571 1.656 0.914 0.153 0.377 1.044 0.632 0.760 8.298 0.180 1.008 16.415 3.105 0.015 0.298 0.014 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.005 0.000 0.006 0.000 0.490 0.055 0.000 0.000 0.000 0.000 0.000 0.000 Forest 0.006 0.024 0.042 0.281 2.410 1.715 0.000 0.005 0.063 2.812 2.277 1.288 0.205 0.118 0.803 0.270 0.141 8.820 0.110 0.210 9.800 2.139 0.000 0.120 0.014 Water 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.080 0.069 0.000 0.000 0.005 0.000 0.006 0.000 0.000 0.000 0.042 0.000 0.138 0.000 0.000 0.000 Urban Subtotal 0.000 0.000 0.042 0.040 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.042 0.026 0.005 0.080 0.040 0.016 0.245 0.039 0.084 0.735 0.690 0.000 0.046 0.000 0.023 0.047 0.252 0.861 6.694 7.595 0.069 0.055 0.126 7.311 4.968 2.867 0.460 0.618 2.731 1.046 0.932 20.548 0.407 1.638 31.851 8.004 0.015 0.613 0.036 0.650 41.916 25.875 0.055 15.732 15.219 Total 0.322
C-12
MS4 Municipality PENN TWP PENN TWP WEST GROVE BORO WEST GROVE BORO NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEWARK, DE NEWARK, DE
Subbasin W01 W02 W02 W04 W10 W11 W12 W13 W14 W15 W16 W17 W11 W12 W15
Residential 0.052 0.064 0.036 0.017 0.444 0.033 0.648 0.074 0.068 0.070 0.324 0.736 0.405 0.346 0.001
Agriculture OpenLand 0.201 0.304 0.005 0.011 0.651 0.545 0.242 0.120 0.000 0.146 0.070 0.174 0.151 0.145 0.000 0.000 0.000 0.000 0.006 0.000 0.230 0.288 0.077 0.138 0.016 0.076 0.218 0.160 0.115 0.000
Forest 0.063 0.095 0.000 0.011 0.917 2.468 0.350 0.122 0.089 0.208 0.107 0.246 0.330 0.092 0.000
Water 0.000 0.005 0.000 0.000 0.000 0.032 0.028 0.017 0.092 0.000 0.000 0.000 0.012 0.011 0.000
Urban Subtotal 0.006 0.009 0.014 0.011 0.029 0.504 1.363 0.665 0.251 0.052 0.254 0.706 0.146 0.495 0.000 0.321 0.477 0.055 0.057 2.040 3.811 2.919 1.074 0.637 0.493 0.831 2.081 1.203 1.203 0.001
Total 0.798 0.112
13.886
2.408
Table C-10b. Total phosphorus MS4 allocations for White Clay Creek watershed (kg/day)
MS4 Municipality AVONDALE BORO AVONDALE BORO AVONDALE BORO FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP FRANKLIN TWP KENNETT TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON BRITAIN TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP LONDON GROVE TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW GARDEN TWP NEW LONDON TWP NEW LONDON TWP PENN TWP PENN TWP WEST GROVE BORO WEST GROVE BORO NEW CASTLE CO., DE Subbasin W04 W06 W07 W01 W03 W08 W09 W17 W01 W03 W09 W10 W11 W02 W03 W04 W06 W08 W06 W07 W08 W09 W17 W01 W02 W01 W02 W02 W04 W10 Residential 0.005 0.006 0.019 0.044 0.434 0.412 0.000 0.005 0.010 0.832 0.435 0.280 0.077 0.049 0.362 0.041 0.004 0.755 0.006 0.132 1.372 0.869 0.000 0.067 0.004 0.023 0.029 0.016 0.008 0.200 Agriculture OpenLand 0.003 0.000 0.057 0.199 1.494 1.235 0.031 0.045 0.018 1.157 0.745 0.411 0.153 0.170 0.470 0.285 0.190 2.323 0.045 0.453 4.596 1.397 0.015 0.134 0.006 0.090 0.137 0.002 0.005 0.293 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.002 0.000 0.003 0.000 0.137 0.014 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.003 0.000 Forest 0.003 0.006 0.019 0.126 1.085 0.480 0.000 0.005 0.028 1.265 1.025 0.580 0.205 0.053 0.362 0.122 0.035 2.470 0.027 0.094 2.744 0.963 0.000 0.054 0.006 0.028 0.043 0.000 0.005 0.413 Water 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.036 0.031 0.000 0.000 0.002 0.000 0.003 0.000 0.000 0.000 0.019 0.000 0.062 0.000 0.000 0.000 0.000 0.002 0.000 0.000 0.000 Urban Subtotal 0.000 0.000 0.019 0.018 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.019 0.026 0.002 0.036 0.018 0.004 0.069 0.010 0.038 0.206 0.311 0.000 0.021 0.000 0.003 0.004 0.006 0.005 0.013 0.010 0.012 0.113 0.387 3.013 2.127 0.031 0.055 0.057 3.290 2.236 1.290 0.460 0.278 1.229 0.471 0.233 5.753 0.102 0.737 8.918 3.602 0.015 0.276 0.016 0.144 0.215 0.025 0.026 0.918 12.764 0.050 0.359 0.292 13.374 7.965 0.055 7.333 5.557 Total 0.135
C-13
MS4 Municipality NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEWARK, DE NEWARK, DE
Subbasin W11 W12 W13 W14 W15 W16 W17 W11 W12 W15
Residential 0.033 0.648 0.074 0.068 0.070 0.324 0.736 0.405 0.346 0.001
Agriculture OpenLand 0.545 0.242 0.120 0.000 0.146 0.070 0.174 0.151 0.145 0.000 0.230 0.288 0.077 0.138 0.016 0.076 0.218 0.160 0.115 0.000
Forest 2.468 0.350 0.122 0.089 0.208 0.107 0.246 0.330 0.092 0.000
Water 0.032 0.028 0.017 0.092 0.000 0.000 0.000 0.012 0.011 0.000
Urban Subtotal 0.504 1.363 0.665 0.251 0.052 0.254 0.706 0.146 0.495 0.000 3.811 2.919 1.074 0.637 0.493 0.831 2.081 1.203 1.203 0.001
Total
2.408
Table C-11a. Total nitrogen MS4 baseline loads for Christina River Creek watershed (kg/day)
MS4 Municipality FRANKLIN TWP LONDON BRITTAIN TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEWARK, DE NEWARK, DE NEWARK, DE NEWPORT, DE WILMINGTON, DE WILMINGTON, DE WILMINGTON, DE Subbasin C02 C02 C01 C02 C03 C04 C05 C06 C07 C08 C09 C01 C02 C03 C06 C09 C04 C05 C09 Residential 1.35 4.05 1.19 0.34 1.95 5.08 0.89 6.11 5.16 9.89 4.30 0.36 13.79 2.53 0.00 0.25 0.02 1.63 3.23 Agriculture OpenLand 1.35 4.05 4.48 6.59 1.16 0.24 0.00 6.35 2.11 2.06 1.29 0.49 0.00 0.69 0.00 0.00 0.00 0.00 0.00 0.18 0.54 1.13 0.08 0.67 1.58 1.56 4.38 2.01 2.74 11.65 0.16 2.19 0.86 0.00 0.09 0.01 0.25 2.67 Forest 0.81 2.43 3.20 3.25 2.82 3.15 0.90 15.73 8.56 10.62 8.98 0.29 2.08 0.86 0.08 0.00 0.00 0.15 0.00 Water 0.00 0.01 0.00 0.02 0.04 0.04 0.13 0.47 0.21 0.21 1.69 0.00 0.00 0.08 0.00 0.08 0.00 0.00 1.31 Urban Subtotal 0.64 1.93 0.48 1.75 4.72 7.15 6.08 8.05 6.90 15.60 29.20 2.11 3.19 3.99 0.00 1.08 0.01 0.42 6.19 4.34 13.01 10.48 12.04 11.36 17.25 9.55 41.09 24.95 41.13 57.12 3.42 21.25 9.01 0.08 1.51 0.04 2.45 13.40 1.51 15.89 33.75 Total 4.34 13.01 224.96
Table C-11b. Total nitrogen MS4 allocations forChristina River watershed (kg/day)
MS4 Municipality FRANKLIN TWP LONDON BRITTAIN TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE Subbasin C02 C02 C01 C02 C03 C04 C05 C06 C07 C08 C09 C01 Residential 1.35 4.05 0.24 0.34 1.95 5.08 0.89 6.11 5.16 9.89 4.30 0.07 Agriculture OpenLand 1.35 4.05 0.90 6.59 1.16 0.24 0.00 6.35 2.11 2.06 1.29 0.10 0.18 0.54 0.23 0.08 0.67 1.58 1.56 4.38 2.01 2.74 11.65 0.03 Forest 0.81 2.43 0.64 3.25 2.82 3.15 0.90 15.73 8.56 10.62 8.98 0.06 Water 0.00 0.01 0.00 0.02 0.04 0.04 0.13 0.47 0.21 0.21 1.69 0.00 Urban Subtotal 0.64 1.93 0.10 1.75 4.72 7.15 6.08 8.05 6.90 15.60 29.20 0.42 4.34 13.01 2.10 12.04 11.36 17.25 9.55 41.09 24.95 41.13 57.12 0.68 31.02 Total 4.34 13.01 216.57
C-14
MS4 Municipality NEWARK, DE NEWARK, DE NEWARK, DE NEWPORT, DE WILMINGTON, DE WILMINGTON, DE Wilmington, DE
Subbasin C02 C03 C06 C09 C04 C05 C09
Residential 13.79 2.53 0.00 0.25 0.02 1.63 3.23
Agriculture OpenLand 0.00 0.69 0.00 0.00 0.00 0.00 0.00 2.19 0.86 0.00 0.09 0.01 0.25 2.67
Forest 2.08 0.86 0.08 0.00 0.00 0.15 0.00
Water 0.00 0.08 0.00 0.08 0.00 0.00 1.31
Urban Subtotal 3.19 3.99 0.00 1.08 0.01 0.42 6.19 21.25 9.01 0.08 1.51 0.04 2.45 13.40
Total
1.51 15.89
Table C-12a. Total phosphorus MS4 baseline loads for Christina River Creek watershed (kg/day)
MS4 Municipality FRANKLIN TWP LONDON BRITTAIN TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEWARK, DE NEWARK, DE NEWARK, DE NEWPORT, DE WILMINGTON, DE WILMINGTON, DE WILMINGTON, DE Subbasin C02 C02 C01 C02 C03 C04 C05 C06 C07 C08 C09 C01 C02 C03 C06 C09 C04 C05 C09 Residential 0.027 0.082 0.030 0.007 0.250 0.129 0.061 0.172 0.207 1.011 0.399 0.009 0.279 0.324 0.000 0.023 0.000 0.112 0.300 Agriculture OpenLand 0.027 0.082 0.111 0.133 0.148 0.006 0.000 0.179 0.085 0.210 0.120 0.012 0.000 0.089 0.000 0.000 0.000 0.000 0.000 0.004 0.011 0.028 0.002 0.086 0.040 0.107 0.124 0.081 0.280 1.082 0.004 0.044 0.110 0.000 0.009 0.000 0.017 0.248 Forest 0.016 0.049 0.080 0.066 0.362 0.080 0.062 0.443 0.343 1.085 0.834 0.007 0.042 0.110 0.002 0.000 0.000 0.010 0.000 Water 0.000 0.000 0.000 0.000 0.005 0.001 0.009 0.013 0.008 0.022 0.157 0.000 0.000 0.010 0.000 0.008 0.000 0.000 0.122 Urban Subtotal 0.013 0.039 0.012 0.035 0.605 0.181 0.418 0.227 0.277 1.593 2.711 0.053 0.064 0.512 0.000 0.100 0.000 0.029 0.575 0.088 0.263 0.260 0.243 1.456 0.437 0.657 1.158 1.000 4.202 5.304 0.085 0.429 1.154 0.002 0.140 0.001 0.169 1.244 0.140 1.414 1.671 Total 0.088 0.263 14.718
Table C-12b. Total phosphorus MS4 allocations forChristina River watershed (kg/day)
MS4 Municipality FRANKLIN TWP LONDON BRITTAIN TWP NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEW CASTLE CO., DE NEWARK, DE NEWARK, DE NEWARK, DE NEWARK, DE Subbasin C02 C02 C01 C02 C03 C04 C05 C06 C07 C08 C09 C01 C02 C03 C06 Residential 0.027 0.082 0.006 0.007 0.250 0.129 0.061 0.172 0.207 1.011 0.399 0.002 0.279 0.324 0.000 Agriculture OpenLand 0.027 0.082 0.022 0.133 0.148 0.006 0.000 0.179 0.085 0.210 0.120 0.002 0.000 0.089 0.000 0.004 0.011 0.006 0.002 0.086 0.040 0.107 0.124 0.081 0.280 1.082 0.001 0.044 0.110 0.000 Forest 0.016 0.049 0.016 0.066 0.362 0.080 0.062 0.443 0.343 1.085 0.834 0.001 0.042 0.110 0.002 Water 0.000 0.000 0.000 0.000 0.005 0.001 0.009 0.013 0.008 0.022 0.157 0.000 0.000 0.010 0.000 Urban Subtotal 0.013 0.039 0.002 0.035 0.605 0.181 0.418 0.227 0.277 1.593 2.711 0.011 0.064 0.512 0.000 0.088 0.263 0.052 0.243 1.456 0.437 0.657 1.158 1.000 4.202 5.304 0.017 0.429 1.154 0.002 1.603 Total 0.088 0.263 14.509
C-15
MS4 Municipality NEWPORT, DE WILMINGTON, DE WILMINGTON, DE WILMINGTON, DE
Subbasin C09 C04 C05 C09
Residential 0.023 0.000 0.112 0.300
Agriculture OpenLand 0.000 0.000 0.000 0.000 0.009 0.000 0.017 0.248
Forest 0.000 0.000 0.010 0.000
Water 0.008 0.000 0.000 0.122
Urban Subtotal 0.100 0.000 0.029 0.575 0.140 0.001 0.169 1.244
Total 0.140 1.414
C-16