Water Quality Table Water Source Source Water Assessment Plan by Jeronohnson

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									sample for these contaminants, how many samples the City was supposed to take, how many                               Water Quality Table
samples were taken, and when samples should have been taken.                                                           Contaminant                   Date Tested               Unit            MCL          MCLG Detected Range Major Sources                                        Vio-
During April of 2003, water treatment staff began using chlorine dioxide as one of the initial                                                                                                                     Level                                                            lation
barriers against contaminants in the raw water at the water treatment plant. Any time a water                          Lead                      2002 Triennial            ppb            15(AL)          0         5.04        0.27-29.71 Corrosion of household plumbing             No
system is using chlorine dioxide, it is required to monitor for chlorite at three points per month in                                                                                                                                       systems; erosion of natural deposits
the distribution system. A certified laboratory must perform the analyses for chlorite and the City                    Copper                    2002 Triennial            ppm           1.3(AL)        1.3         0.16         0.01-0.37 Corrosion of household plumbing             No
did not have a laboratory located in time to satisfy the monitoring requirement for April 2003. Now,                                                                                                                                        systems; erosion of natural deposits;
                                                                                                                                                                                                                                            leaching from wood preservatives
monitoring for chlorite, as prescribed in the Colorado Primary Drinking Water Regulations, is being                                                                                                                                                                                                                                                                                    APRIL 2004
done.                                                                                                                  Barium                       3/27/03                ppm               2            2        0.021            NA      Discharge of drilling wastes and metal     No
                                                                                                                                                                                                                                            refineries; erosion of natural deposits
In December of 2003, the routine daily chlorine dioxide and chlorite tests at the water treatment                                                                                                                                                                                               Esta es informacion importante. Si no la pueden leer, necesitan que alguien se la traduzca.
                                                                                                                       Fluoride                     3/27/03                ppm               4            4        0.79[1]          NA      Erosion of natural deposits; water         No
plant were not performed due to insufficient training during alternate shift coverage. This situation                                                                                                                                       additive that promotes strong teeth;                The City of Loveland is proud to report to citizens that the water provided to the community
was immediately addressed and the proper training was provided.                                                                                                                                                                             discharge from fertilizer; and aluminum             meets or exceeds established state and federal water quality standards.
                                                                                                                                                                                                                                            factories; erosion of natural deposits
In the City’s opinion, at no time during the above incidents was the quality of the water                                                                                                                                                                                                       This is the annual report on the quality of drinking water provided by the City of Loveland
compromised.                                                                                                           The following inorganic contaminants were tested for but not detected in 2003: antimony, arsenic, beryllium, cadmium, chromium, mercury, nickel, selenium, thallium,     between January 1 and December 31, 2003. Loveland’s public water system identification number is
                                                                                                                       and alpha and beta radiological contaminants (2001).
                                                                                                                                                                                                                                                                                                CO0135485. The report is designed to inform you about the quality of water and services delivered
More Information                                                                                                       Total Coliform [2]            Weekly         Presence/Absence        0[3]          0          0%             NA      Naturally present in the environment       No       every day. It contains information on the source of Loveland’s water, the constituents, and the usual
For further information, please contact Mike Tesar, Water Quality Laboratory Coordinator, who                          Total Organic Carbon           RAA [5]        Percent Removal        TT           NA        1.43 [6] 1.06-1.77 [6] Naturally present in the environment         No       sources of contaminants. Safe water is vital to the community. If you have any questions, call the
prepared this report. Call (970) 962-2571 or send e-mail to tesarm@ci.loveland.co.us. The staff                        [TOC]                                                                                                                                                                    telephone numbers provided in this report. If you know customers who live in apartments or other
welcomes your questions about Loveland’s water quality. Water quality data for communities                             Turbidity                   Continuous             N.T.U             TT           NA        1.01 [4] 0.04 – 1.01 Soil runoff; human activities                  No       living units that are not billed directly for water, please share this report with them. Also, the report
throughout the United States are available at www.epa.gov/safewater/dwinfo.htm.                                        The lowest monthly percentage of samples meeting the MCL for Turbidity was 98.31% in May only.                                                                           is available at www.ci.loveland.co.us/WP/waterqual.htm.
Pará los que hablan español                                                                                            Trihalomethanes                RAA [5]              ppb              80           NA       39.88 [5] 24.4 - 57.5 Disinfection by-product                        No       All citizens are encouraged to participate in decisions affecting Loveland’s drinking water. Meetings
El informe contiene información importante sobre la calidad del agua en su comunidad.                                  Haloacetic Acids               RAA [5]
                                                                                                                                                                           ppb              60            0       29.59 [5] 19.4 - 48.2 Disinfection by-product                        No       that deal with decisions about drinking water are announced in the Loveland Utility News and in the
Tradúzcalo o hable con alquien que lo entienda bien.                                                                   Chlorine              In distribution system        ppm           MRDL=4 MRDLG=4             1.83        0.01 - 1.83 Water additive used to control microbes No          Loveland Daily Reporter-Herald. The Loveland Utilities Commission, composed of citizens appointed
Water Quality Table                                                                                                    Chlorine Dioxide       Daily when ClO2 on           ppb         MRDL=800 MRDLG=800 622                    ND - 622 Water additive used to control microbes No            by the City Council, meets the third Wednesday of each month at 4 p.m. in the Service Center located
                                                                                                                       Chlorite              3 samples per month           ppb             1000         800         481          ND - 481 Disinfection by-product                      No       at 200 North Wilson. Find out more about the City of Loveland Department of Water and Power at
In order to ensure that tap water is safe to drink, EPA prescribes regulations that limit the amount
                                                                                                                                                                                                                                                                                                www.ci.loveland.co.us/WP/wpmain.htm. For further information about drinking water, see United
of certain contaminants in water provided by public water systems. The U.S. Food and Drug                             Water Quality Table Footnotes                                                                                                                                             States Environmental Protection Agency (EPA) water information at www.epa.gov/safewater/.
Administration regulations establish limits for contaminants in bottled water that must provide                       [1]   The average fluoride level from daily tests for 2003 was 0.84 ppm.
the same protection for public health.                                                                                [2]   Loveland is required to test 720 Coliform samples from representative points in the distribution system per year.                                                   Water Source
The table shows the results of the 2003 water quality analyses. Every regulated contaminant that
                                                                                                                      [3]   Coliform bacteria cannot be present in more than 5 percent of monthly samples.
                                                                                                                      [4]   The average turbidity for 2003 was 0.07 N.T.U.
                                                                                                                                                                                                                                                                                                The City of Loveland’s raw water is a blend, supplied by surface water from the Colorado River
the water quality laboratory detected in the water, even in the minutest amount, is listed here.                      [5]   Running Annual Average                                                                                                                                              and Big Thompson River basins that include the Colorado-Big Thompson and Windy Gap projects.
The table contains the name of each substance, the highest level allowed by regulation (MCL),                         [6]   Running Annual Average of the removal ratio between raw water total organic carbon (TOC) and the finished water TOC                                                 The intakes are located at the Big Thompson River and the Charles Hansen Feeder Canal. In
the ideal goals for public health (MCLG), the amount detected, the usual sources of such                              Key To Table                                                                                                                                                              late 2002, the Green Ridge Glade Reservoir (GRGR) was drained and will not be in use until the
contamination, footnotes explaining the findings, and a key to units of measurement. Definitions                      AL = Action Level                                                                                                                                                         expansion project is completed. Taste and odor algal growth occurred in Loveland’s water in
of MCL and MCLG are important. The table contains many terms and abbreviations that may be                            MCL = Maximum Contaminant Level sets the highest level of a contaminant allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best          2003 that normally would have been handled by treatment in GRGR. At all times during the
unfamiliar. To help you better understand these terms, the definitions are included on the back                              available treatment technology.                                                                                                                                    algal growth, Loveland’s water quality was not compromised. For more information, go to
page.                                                                                                                 MCLG = Maximum Contaminant Level Goal establishes the level of a contaminant in drinking water, below which there is no known or expected risk to health. MCLGs           http://www.ci.loveland.co.us/WP and click on Algae Update. Raw water quality may vary
                                                                                                                             allow for a margin of safety.
                                                                                                                      MRDL = Maximum Residual Disinfection Level. The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant   during the year.
                                                                                                                             is necessary for control of microbial contaminants.                                                                                                                Source Water Assessment Plan (SWAP)
                                                                                                                      MRDLG= Maximum Residual Disinfection Level Goal. The level of a drinking water disinfectant, below which there is no known or expected risk to health. MRDLGs do
                                                                                                                             not reflect the benefits of the use of disinfectants to control microbial contaminants.                                                                            Colorado submitted its SWAP to the EPA for approval in February 1999, and approval of the plan
                                                                                                                      NTU = Nephelometric Turbidity Unit is a measure of particles in the water. At 5 NTU, particles are barely visible in a glass of water.                                    was granted in February 2000. With the SWAP approved, Colorado has three and a half years to
Questions about this report, call 962-2571. The City of Loveland does not discriminate on the basis of race, color,   ppm = parts per million, or milligrams per liter (mg/l)                                                                                                                   complete an assessment of all public water systems, which number more than 2,000. A final report
                                                                                                                      ppb = parts per billion, or micrograms per liter (µg/l)                                                                                                                   from the state was due to the EPA in August 2003. Additional information may be obtained at
national origin, sex, religion, age or disability in the provision of services. For disabled persons needing          ND = Non Detects occur when a laboratory analysis indicates that the constituent is not present.
reasonable accommodation to attend or participate in a City service, program or activity, call 962-2000 or TDD        NA = Not Applicable                                                                                                                                                       www.cdphe.state.co.us/wq/sw/swaphom.html.
962-2620 as far in advance as possible.                                                                               TT   = Treatment Technique is a required process intended to reduce the level of a contaminant in drinking water.
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Loveland takes a proactive approach to protecting and improving the Big Thompson Watershed by              in people with compromised immune systems. The organisms are usually present in all of                Nitrate
participating in the Big Thompson Watershed Forum (BTWF). The BTWF is a voluntary association              Colorado's raw surface water and come from animal wastes in the watershed. Giardia and crypto         Nitrate in drinking water at levels above the limit of 10 ppm is a health risk for infants under six
of water utilities, interested citizens and government agencies to achieve an effective and coordinated    were both detected in the City’s raw water supplies in 2003, but they were not detected in the        months of age. High nitrate levels in drinking water can cause blue baby syndrome. Nitrate levels
approach to watershed management issues. A watershed is the land area that drains to a particular          finished water.                                                                                       may rise quickly for short periods of time because of rainfall or agricultural activity. If you are
stream, lake, or river. The quality of water within a watershed is affected by the activities on both                                                                                                            caring for an infant, and detected nitrate levels are above 5 ppm, you should ask advice from your
the water and the land.                                                                                    Additional Health Information                                                                         health care provider. Nitrate was detected in the City’s water on April 9, 2003, at a level of
The City of Loveland also participates in the Big Thompson River Biosurvey Project which assesses          All drinking water, including bottled water, may reasonably be expected to contain at least           0.53 ppm. Nitrite was not detected in a check sample dated July 1, 2003.
the general health of the river using fish and benthic (bottom dweller) organisms. The information         small amounts of some contaminants. The presence of contaminants does not necessarily indicate
                                                                                                           that the water poses a health risk. Some people may be more vulnerable to contaminants in             Arsenic
from these programs is used to inform customers about the quality of the source water and to bring
                                                                                                           drinking water than the public in general. Immuno-compromised persons, such as persons with           Loveland’s drinking water meets EPA’s recently reduced standard of 10 ppb for arsenic.
about improved protection of Loveland’s raw drinking water sources. For more information about
                                                                                                           cancer undergoing chemotherapy, persons who have undergone organ transplants, people with             While Loveland’s drinking water meets EPA’s standard for arsenic, it does contain low levels
the BTWF, please call (970) 613-6974 or visit www.btwatershed.org/.
                                                                                                           HIV-AIDS or other immune system disorders, some elderly, and infants can be particularly at risk      of arsenic. The EPA standard balances the current understanding of arsenic’s possible health effects
Volatile and Synthetic Organic Contaminants (VOC and SOC)                                                  of infections. These people should seek advice about drinking water from their health care            against the costs of removing arsenic from drinking water. EPA continues to research the health
The City of Loveland is required to test for VOCs and SOCs every three years. The regulatory               providers. For more information about contaminants and potential health effects, or to receive a      effects of low levels of arsenic, which is a mineral known to cause cancer in humans at high
schedule required Loveland to conduct tests in 2003. Of the contaminants tested for, two                   copy of the EPA and the U.S. Centers for Disease Control guidelines on appropriate means to           concentrations and is linked to other health effects such as skin damage and circulatory problems.
trihalomethanes were detected and are listed in the water quality table portion of this report.            lessen the risk of infection by Cryptosporidium and microbiological contaminants, call the EPA Safe   Arsenic was tested for and not detected in 2003 in Loveland’s treated water. The detection limit for
The entire list may be found at www.epa.gov/safewater/mcl.html#organic.                                    Drinking Water Hotline at 1-800-426-4791.                                                             the analytical method used was 1 ppb.
Lead and Copper Regulation                                                                                 The sources of drinking water both tap water and bottled water; include rivers, lakes, streams,       Lead
The City of Loveland samples specifically for lead and copper levels in homes that meet certain            ponds, reservoirs, springs, and wells. As water travels over the surface of the land or through the   Infants and young children are typically more vulnerable to lead in drinking water than the general
sampling criteria. The results of this specific testing are used for regulatory compliance and to          ground, it dissolves naturally occurring minerals and, in some cases, radioactive material, and can   population. It is possible that lead levels in a particular home may be higher than it other homes in
maintain proper corrosion control within the distribution system. Staff is required to take thirty         pick up substances resulting from the presence of animals or from human activity. Contaminants        the community as a result of plumbing materials used. If you are concerned about elevated lead
samples every three years in order to comply with this regulation. The most recent required                that may be present in source water include:                                                          levels in the water from your tap, consider having the water tested. Allowing the water to run for
sampling period occurred in 2002. Compliance is based on the amounts detected at the 90th                  • Microbial contaminants, such as viruses and bacteria that may come from sewage treatment            30 seconds to 2 minutes clears the water that was standing in the water pipes in your home. The
percentile level. During the last sampling period in 2002, the results for lead and copper at the            plants, septic systems, agricultural livestock operations, and wildlife.                            water from the distribution system characteristically does not contain detectable levels of lead.
90th percentile level, 27th highest out of 30, were 5.04 ppb for lead and 0.156 ppm for copper.            • Inorganic contaminants, such as salts and metals, which can be naturally-occurring or result from   Additional information is available from the EPA Safe Drinking Water Hotline at 1-800-426-4791.
Please see the table at the end of this report. The action levels are 15 ppb for lead and 1.3 ppm for        urban stormwater runoff, industrial or domestic wastewater discharges, oil and gas production,      Other
copper. Three percent (1 home) of the 30 sample sites exceeded the action level for lead and none            mining, or farming.                                                                                 The Colorado Department of Health and Environment has waived monitoring of cyanide, asbestos
exceeded the action level for copper. Please keep in mind that the specific sampling requirements          • Pesticides and herbicides that may come from a variety of sources, such as agriculture, urban       and all unregulated inorganics for the City of Loveland.
for this regulation dictate that the sample consist of the first liter of water drawn from the tap after     stormwater runoff, and residential uses.
a minimum non-use period of six hours. The sampling method takes into account any lead or                                                                                                                        Tier 3 Violation
                                                                                                           • Organic chemical contaminants, including synthetic and volatile organic chemicals, which are
copper leaching that could occur from the piping and plumbing fixtures in the home. Flushing                 byproducts of industrial processes and petroleum production, and also may come from gas             The City of Loveland incurred two monitoring violation events during 2003. Even though these
your tap for a few moments after a non-use period is advisable. Infants and young children are               stations, urban stormwater runoff, and septic systems.                                              events were not emergencies, customers have the right to know what happened and how the City
typically more vulnerable to lead in drinking water than the general population.                                                                                                                                 corrected the situations.
                                                                                                           • Radioactive contaminants, that can be naturally occurring or be the result of oil and gas
Unregulated Contaminants                                                                                     production and mining activities.                                                                   We are required to monitor your drinking water for
During testing performed in 2001, Loveland’s water showed a radon level of less than the                                                                                                                         specific contaminants on a regular basis. Results of   Contaminant Required           Number of      Required
detectable level of 61 picocuries per liter (pCi/l). The EPA is preparing a regulation that will           Bottled Water                                                                                         regular monitoring are an indicator of whether or not                 Sampling         Samples       Sampling
propose a maximum contaminant level of 300 pCi/l for radon. Testing of other unregulated                   In order to ensure that tap water meets water quality standards, the EPA prescribes regulations       our drinking water meets health standards. During                    Frequency          Taken          Times
contaminants in 2003 included sodium, which was present at 26 ppm.                                         that limit the amount of certain contaminants in water provided by public water systems.              2003 we did not complete all the required monitoring   Chlorite   3 per month in          0     April 2003
                                                                                                           The U.S. Food and Drug Administration (FDA) regulations establish limits for contaminants             for chlorite and chlorine dioxide and therefore cannot            distribution system
Crypto and Giardia                                                                                         in bottled water that must provide the same protection for public health. Water from your tap         be sure of the quality of our drinking water during    Chlorine   1 per day at            0     December 18 to
Customers often express concern about Giardia and Cryptosporidium (crypto) in their drinking               in Loveland meets or exceeds all state and federal water quality standards. For all practical         that time.                                             dioxide    entrance to                   December 20, 2003
water. The water quality laboratory conducts an annual test for these organisms as part of the             purposes, there is no compelling reason to buy bottled water. In some instances, the bottled                                                                            distribution system
required annual microscopic particulate analysis, MPA. The log removal efficiencies through the                                                                                                                  There is nothing you need to do at this time.
                                                                                                           water comes from a public water system similar to Loveland’s. Additionally, Loveland’s water          The table at the right lists the contaminants that     Chlorite   1 per day at            0     December 18 to
water treatment plant provide the basis for this analysis. Crypto and Giardia are microscopic              is much less expensive, costing only $1.50 per 1,000 gallons compared to 1,000 gallons of bottled
organisms that, when ingested, can result in diarrhea, cramps, fever, and other gastrointestinal                                                                                                                 the City did not properly test for during the last                entrance to                   December 20, 2003
                                                                                                           water costing $750. The cost of 1 gallon of bottled water was assumed to be $0.75.                    year, how often the City was supposed to                          distribution system
symptoms. Most people readily recover from the symptoms, which can cause more serious illness
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