Restrooms that received a water audit in 2004-2005
# of 1.6 Total gpf #> Floor of toilets 1.6/ =>3.5 leaking # of 1.0 1.0 type of Audited Restrooms bld GSF bld bld toilets urinals gpf gpf toilet 206,054 2,3,4,5 17 0 17 19 0 19 Both 153,118 1,2 5 5 17 0 17 Flushometer 130,581 2,2,3,4 9 9 10 0 10 flushometer 189,144 1,4,6,7 7 1 6 0 7 1 6 Flushometer 86,063 3,5 3 1 2 0 4 2 2 Flushometer 300,064 193,232 168,861 78,526 137,297 117,804 63,719 106,557 237,845 418,707 93,420 26,321 153,700
F/G 7230, F/G 373, D 4230 G,1,4,6 1,2,4 1,2 B, 1, 4 B 2,4 B 1,1,2 2,3,4,5 1,2,3, 1 1,2,3,4 B,G,1,3,3,4, 5,5 1,3,4,5,6,7,
Male Restrooms Cory Hall Zellerbacker Moffitt Davis Hall Barker Hall Dwinelle Hall Barrows Hall Doe Library Warren Hall Wheeler Sprawl Hall Cambell Hall King Student Union Hass Pavilion/Hearst Gym VLSB Mulford Genetics Plant Biology Koshland Tolman Haviland Hall Wurster TOTAL
% of State Funded GSF audited
7 4 18 5 7 0 5 0 9 3 3 0 3 1 3 3 16 16 12 0 7 0 4 8 0 18 5 4 0
3 13 7 5 6 3 2 0 0 12 7 4 8 14 5 10 138
3 5 0 0 0 0 2 2
8 16 10 4 9 3 5 3 16 12 7 6 8 24 4
5 0 0 0 3 0 3 16
3 16 10 4 6 3 5 0 12 7 6 8
Tank Flushometers Flushometer Flushometer Both Tank Flushometer Flushometer Flushometer Flushometer tank Flushometer Flushometer
240,884 51,020 B,3 221293 8 3,374,210 36
1
4
20 Flushometer 4 Flushometer
17 7 183 45
4 17
192
34 158
Female Restrooms Building Name Cory Hall Zellerbacker Moffitt Barrows Dwinelle Hall Campbell Hall Davis Hall Doe Annex Doe Library Etchevery Hall Hearst Mining Hildlebrand LSA McCone Wheeler Hall Tan
gsf 206,054 153,118 130,581 193,232 300,064 63,719 189,144 161,930 168,861 177,281 141,461 127,494 201,824 123,612 137,297 116,121
# of 1.6 Total gpf toilets 1.6/ =>3.5 leaking Audited Restrooms bld bld bld toilets 1,2,3,4,5 12 1 11 1 1,1 ,2 24 6 18 2,2,3,3,4 20 0 20 public bathrooms , 12 ground,2 1 10 1 12 9 3 7 2,4,6 7 0 7 0 2,3,4,5 6 1 5 0 1 4 1 3 1 1,1,2,3,4 19 4 15 1 3,5 5 0 5 0 1.2.3.4 10 10 0 2 B, D, 2,4 10 4 6 1 1,2,3,4,5 16 0 16 0 1,2,3,4,5 16 0 16 B, 1,3, 4 22 12 10 7 1,2,3,4,5,6,7 15 15 0 0
Type of Toilets
Flushometer Flushometer Flushometer Tank Flushometer Flushometer flushometer Flushometer flushometer Flushometer Flushometer Flushometer Flushometer Flushometer Flushometer
Sprawl Hall Koshland Hall VLSB King Student Union Hass Pavilian/Hearst Gym Mulford Warren Hall Genetics Plant Biology Tolman Haviland Hall Wurster Total % of total
117,804 153,700 418,707 106,557 237,845 93,420 78,526 26,321 240,884 51,020 221293 4,337,870 46
7 0 15 1 1,2,3,4,5 31 0 B,4 12 3 1,1,2 30 30 1,2,3 9 0 B,1,2,3,4 11 2 1 7 B, G, 1,2,3,4,5,5 29 9 1,2,3 9 0 1,3,4,61/2,81/28 378 110
B 1,2,3,4,5
7 14 31 9 0 9 9 7 20 9 7 267
0 0 3 2 2 0 15 26
tank Flushometer Flushometer Flushometer Flushometer tank Flushometer Flushometer Flushometer Flushometer Flushometer
7
4
3
10
Restrooms that received a water audit in 2004-2005
Male Restrooms
Building Name Cory Hall Zellerbacker Moffitt Davis Hall Barker Hall Dwinelle Hall Barrows Hall Doe Library Warren Hall Wheeler Sprawl Hall Cambell Hall King Student Union Hass Pavilian/Hearst Gym VLSB Mulford Genetics Plant Biology Koshland Tolman Haviland Hall Wurster TOTAL % state funded GSF
gsf 206054 153118 130581 189144 86063 300064 193232 168861 78526 137297 117804 63719 106557 237845 418707 93420 26321 153700 240884 51020 221293 3152917 33.5
handicap accessible
male/female Male Male Male H male male male H male, male H male male H male H male H male H male H male male male H Male male total male H male 9400000 male state funded GSF
Floors w/bathrooms that were audited # of 1.6 toilets 2,3,4,5 1,2 2,2,3,4 1,4,6,7 1 3,5 1 F/G 7230, F/G 4 G,1,4,6 5 1,2,4 0 1,2 0 B, 1, 4 3 B 0 2,4 1 B 3 1,1,2 16 2,3,4,5 0 1,2,3, 1 1,2,3,4 0 B,G,1,3,3,4,5,5 4 B,3 1,3,3,51/2,71/2,91/2 7 45
Female Restrooms
Building Name Cory Hall Zellerbacker Moffitt
gsf 206054 153118 130581
handicap accesible
male/female female female female
Barrows Dwinelle Hall Campbell Hall Davis Hall Doe Annex Doe Library Etchevery Hall Hearst Minning Hildlebrand
193232 300064 63719 189144 161930 H 168861 H 177281 141461 no leaking 127494
female female female female female female female Female female
Floors w/bathrooms 1,2,3,4,5 1,1 ,2 2,2,3,3,4 public bathrooms , ground, 1 2,4,6 2,3,4,5 1 1,1,2,3,4 3,5 1.2.3.4 B, D, 2,4
# of 1.6 toilets 1 6
2 9 0 1 1 4 0 10 4
LSA McCone Wheeler Hall Tan Sprawl Hall Koshland Hall VLSB King Student Union Hass Pavilian/Hearst Gym Mulford Warren Hall Genetics Plant Biology Tolman Haviland Hall Wurster Total GSF % state funded GSF
201824 123612 137297 116121 117804 153700 418707 106557 237845 93420 78526 26321 240884 51020 221293 4337870 46
female female female Female H female H female H female H Female H female female Female female H female total female H female 9400000 Female state funded GSF
1,2,3,4,5 1,2,3,4,5 B, 1,3, 4 1,2,3,4,5,6,7 B 1,2,3,4,5 1,2,3,4,5 B,4 1,1,2 1,2,3 B,1,2,3,4 1 B, G, 1,2,3,4,5,5 1,2,3 1,3,4,61/2,81/2
0 0 12 15 1 0 3 30 2 9 8 118
COED Restrooms
Building Name Davis Hall Barker Hall Biars Lair (ASUC) Eshleman Hall Total
189144 86063 H
male/female male/female male/female male/female male/female coed
Floors w/bathrooms 2,3,
# of 1.6 toilets 2 2 0 4
2,3,4,5,6,7
Summary Table
Audited Fixtures
Female Toilets Male Toilets Urinals Total
Audited Water Use Fixtures 385 183 207 775
# of 1.6 gpf/toilets or 1.0 gpf urinals 118 45 39 202
% leakage of 1.6 gpf/toilets 0.24 0.38
# of non lowflow toilets and urinals 267 138 168 573
Low-Flow Non Low-Flow
385 Audited Female Toilets 118 268
Low-Flow Non Low-Flow
183 Audited Male Toilets 44 184
385 Audited Female Toilets
Low-Flow 31%
Non LowFlow 69%
Non LowFlow 81%
audit in 2004-2005
flush volume
# => 3.5 17 5 9 6 2 3 13 7 5 6 3 2 0 0 12 7 4 8 14 5 10 138
Total toilets bld total 1.6/bld 17 5 9 7 3 7 18 7 5 9 3 3 3 16 12 7 4 8 18 5 17 183
# of 1.6 > # of 1.6 not 7 sec/flush leaking 0
1 1 4 5 0 0 3 0 1 3 16 0 0 0 4 0 7 45
0 0 3 5 0 0 0 0 2 2
1 1 1 0
0 0 1 1 14
1 4 17
2 3 24
total % leaking =>3.5 bld 1.6 bld 17 5 9 6 2 3 13 7 5 6 3 2 0 0 12 7 4 8 14 5 10 138 0.38
flush volume
# => 3.5 11 18 20
Total toilets bld total 1.6/bld 12 24 20
# of 1.6 > # of 1.6 7 not total % leaking sec/flush leaking =>3.5 bld 1.6 bld 1 1 0 11 100 6? 6 18 0 20
10 3 7 5 3 15 5 0 6
12 12 7 6 4 19 5 10 10
2 9 0 1 1 4 0 10 4
1 7 0 0 1 1 0 2 1
1 2 0 1 0 3 0 7 3
10 3 7 5 3 15 5 0 6
50 78 0 0 100 25
16 16 10 7 14 31 9 0 9 9 7 20 9 7 267
16 16 22 15 7 15 31 12 30 9 11 7 29 9 15 385
0 0 12 15 0 1 0 3 30 0 2 9 0 8 118
0 7 0 0 0 3 2 2 0 0 28
0 2 15 0 1 0 28 0 9 8 86
16 16 10 0 7 14 31 9 0 9 9 7 20 9 7 267
0.24
flush volume
# => 3.5 2 1 0 7 10
Total toilets bld total 1.6/bld 2 3 2 7 14
# of 1.6 > # of 1.6 7 not sec/flush leaking 2 2 0 4 0 1 0 1 2 1 0 3
total % leaking =>3.5 bld 1.6 bld 2 1 0 7 10 0.25
Extrapolated Restroom Fixtures From Audit Results
# of 1.6 total # of leaking # of non low- gpf toilets number of 1.6gpf toilets on flow toilets and and urinals toilets and campus urinals on campus on campus urinals 62 593 262 856 52 418 136 555 509 118 627 114 1521 517 2037
% non-low flow toilets and urinals 0.69 0.75 0.81
amount of total state funded gpf that was audited 0.45 0.33 0.33
3 Audited Male Toilets Low-Flow Non Low-Flow
207 Audited Urinals 39 167
118 Low-Flow female Toilets Leaking 28 Not-Leaking 90
183 Audited Male Toilets
207 Audited Urinals
Low-Flow
Low-Flow 19%
Low-Flow 19%
Non LowFlow 81%
% of total toilets that % of are 1.6 toilets that leaking + gpf are 3.5 type of toilet facuets 3.5 bld tank/flushomter 17 Flushometer 10 flushometer 9 Flushometer 8 Flushometer 4 tank 7 Flushometers 16 Flushometer 11 Flushometer 6 fluhsometer/tank 15 tank 3 Flushometer 3 Flushometer 3 Flushometer 15 Flushometer 13 tank 6 Flushometet 5 Flushometer 8 Flushometer 20 Flushometer 6 flushometer 14 24.6 75.4
average # of flow rate urinals 19 17 10 7 4 8 16 10 4 9 3 5 3 16 12 7 6 8 24 4 15 207
flush volume
3.4 2.4 1.5 2.5125 1.95455 2.725 2.23333 2.3 0.5
# 1 gallon urinals # of 1.0 w/second gallon/uri s to flush nals =>4 0 0 0 1 1 2 2 5 4 0 0 0 0 0 3 0 0 3 16 0 3 16
4 5 39
3
29
% of toilets that % of total are 1.6 toilets that leaking + gpf are 3.5 3.5 bld type of toilet facuets flushomter flushometer 12 12 11
average flow rate
flushomter tank Flushometer Flushometer flushometer Flushometer flushometer Flushometer Flushometer
5 9 4 6 3 17 3 6 8
2.4 1.6 2.0 2.5 2.2 2.3 1.9 2.6 2.1
Flushometer Flushometer Flushometer Flushometer tank Flushometer Flushometer Flushometer Flushometer tank Flushometer Flushometet Flushometer Flushometer flushometer 30.6 69.4
16 2.3 17 1.9 21 2.0 10 2.0 3 10 2.475 20 2.07868 8 19 0.5 6 12 5 20 8 12 283
% of toilets that % of total are 1.6 toilets that leaking + average # of gpf are 3.5 3.5 bld type of toilet facuets flow rate urinals Flusometer 2 2.45 flushometer 3 1 Flushometer 2 Flushometer 6 28.57143 71.42857 13
flush volume
# 1 gallon urinals # of 1.0 w/second gallon/uri s to flush nals =>4
6 6
0 0
0 0
45 Low-Flow Male Toilets Leaking 17 Not-Leaking 22
118 Low-Flow female Toilets
45 Low-Flow Male Toilets
Leaking
Leaking 24% NotLeaking 56%
NotLeaking 76%
# > 1.0 urinals 19 17 10 6 2 3 16 10 4 6 3 5 0
% of 1.0 that are leaking
% of urinals that are >1.0 (I think they are >1.0 do not know for sure
12 7 6 8 20 4 10 168 74.35897
81.2
# > 1.0 urinals
% of 1.0 that are leaking
% of urinals that are >1.0
6 6
#DIV/0!
100
Leaking 44%
Summary of Audited Restroom Fixtures Audited Fixtures
amount of total state Audited % non-low flow funded gpf Water Use # of 1.6 gpf/toilets % leakage of 1.6 # of non low-flow toilets and that was Fixtures or 1.0 gpf urinals gpf/toilets toilets and urinals urinals audited Female Toilets 385 118 0.24 267 0.69 0.45 Male Toilets 183 45 0.38 138 0.75 0.33 Urinals 207 39 168 0.81 0.33 Total 775 202 573
Savings Available from replacing High Flow-Rate Toilets and Urinals
water population using consumption non low-flow water consumption 1.6 gpf toilets, 0 toilets and or 3.5 gpf toilets, 2.0 gpf for urinals* urinal* urinals** 16,227 17,638 19,049 68,334 24,759 30,560 31,239 11,318 0 42,557
total population Female Toilets 47,034 Male Toilets 47,034 Male Urinals 47,034 Total Annual Savings
female/male population 23517 23517 23517
annual water savings CCF 37,096 13,441 30,560 81,096
* 69% of the females and 75% of the men are using non low-flow toilets, 81% of the men are using non low-flow urinals ** use rate is 3 times a day for female and 1times a day for males, 300 days a year Water and Wastewater Costs are $2.9/CCF
Water and Monetary Savings Available from Maintenance of Low-Flow Toilets
population using water leaking 1.6 gpf water consumption consumption toilets* w/leaks w/maintenance 1,750 7,368 3,368 2,234 3,136 1,434 annual water savings CCF 4,000 1,702
total population Female 47034 Male 47034 Total Annual Savings
female/male population 23517 23517
* (Female, 31% of the toilets are low flow and 24% of those toilets leak, ((0.31x 0.24) x total female pop)), total of 62 toilets Male 25% of the toilets are low-flow and 38% of those toilets leak ((0.25 x 0.38) x total male pop)), total of 52 toilets ** Kits are $15/kit, labor is $75/hour 1hour/toilet
Extrapolated Restroom Fixtures From Audit Results
# of leaking 1.6gpf toilets on campus 62 52 114 # of 1.6 gpf toilets and urinals on campus 262 136 118 516 # of non lowflow toilets total number and urinals on of toilets and campus urinals 593 856 418 555 509 627 1521 2037
Annual water savings gallons/d ay 76021 27544 62626 166,191
$ annual savings 107,578 38,978 88,623
labor costs $74/hour hardware costs 4 ($400/fixture) hours/fixture 237,200 167,200 202,400 606,800 177,900 125,400 151,800 455,100
hardware and labor costs 415,100 292,600 354,200 1,061,900
payback period years without EBMUD rebate 3.9 7.5 4.0 4.5
235,178
low-flow urinals
$ annual hardware costs savings ($15/kit) 11,600 930 4,937 780 16,537 1,710
labor costs $74/hour 1hour/kit 4,588 3,848 8,436
hardware and payback labor costs period years 5,518 0.5 4,628 0.9 10,146 0.6
male pop)), total of 62 toilets p)), total of 52 toilets
Annual Savings of over 250,000 a Year from Restroom Water Efficiency
$ savings
Upgrading Toilets, Female Restrooms Maintenance Low Flow Toilets Upgrading Toilets, Male Restrooms Upgrading Urinals Total: Upgrade+ maintenance Only
water savings water savings CCF gallons/year costs 37,096 5,702 13,441 30,560 86,798 27,747,708 4,265,096 10,053,518 22,858,524 64,924,846 415100 10,146 292,600 354200 1,072,046
Payback period 3.9 0.6 7.5 4.0 4.3
107,578 16,536 38,978 88,623 251,714
New blds w/ 30% less water use Total (includes new blds)
114,199 365,913
39,379 126,177
29,455,417 94,380,263 Toilet Upgrades, Maintenance and 30% less water in new development 650,773 655,859
Additional water use from new blds 131,263
Achieve 30% Current Maintenance less water in Toilet and water of 1.6 gpf new Urinal planning toilets development Upgrades 2002 650,773 650,773 650,773 650,773 2020 782,036 776,334 742,657 700,940
UC Berkeley Main Campus Potential Water Consumption in 2020: With and Without Conservation Practices
Toilet Upgrades, Maintenance and 30% Less Water in New Blds
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
Current Maintenance Water of 1.6 gpf Planning Toilets 583,322
Achieve 30% Toilet and Less Water in Urinal New Blds Upgrades
800,000
Hundred Cubic Feet
700,000 600 500 400
650,773
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020
782,036
776,334
742,657
700,940
655,859
$ savings Upgrading Toilets, Female Restrooms Maintenance Low Flow Toilets Upgrading Toilets, Male Restrooms Upgrading Urinals total
water savings water savings CCF/year gallons/year costs
Payback period
107578
37096
27,747,708
415100
3.9
16536
5702
4,265,096
10146
0.6
38978 88623 251,714
13441 30560 86,798
10,053,518 22,858,524 64,924,846
292,600 354200 1,072,046
7.5 4.0 4.3
Annual Savings of over 250,000 a Year from Restroom Water Efficiency
Upgrading Urinals Savings $ 88,623 in 4.0 Years Savings $107,578 in 3.9 Years
Upgrading Toilets, Female Restrooms
Water use if meet water LEED points for savings 30% less water CCF/year 91,884
Savings $38,978 in 7.5 Years Savings $16,537 in 0.6 Years Maintenance of Low-Flow Toilets
39,379 Upgrading Toilets, Male Restrooms
Conservation Practices
Current Water Planning
UC Berkeley Main Campus Potential Water Consumption in 2020: With and Without Conservation Practices
800,000 700,000 600,000 500,000
400,000
Maintenace of 1.6 gpf Toilets
Achieve 30% Less Water in New Blds
Toilet and Urinal Upgrades
1990
1995
2000
2005 Time (Years)
2010
2015
2020
Toilet Upgrades, Maintenace and 30% Less Water in New Blds