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HomeMy WebLinkAbout2004 Water Quality Report T H E CITY T Y O F �'r uLEsN, 104 W ESS 2004 Annual Water Quality Report A Consumer Confidence Report - Este reporte incluye informacion importance sobre el agua para tomar. Si tiene preguntas o'discusiones sobre este reporte en s • espanol, favor de Ilamar al tel. (817)685-1471 par hablar con una P S persona bilingue en espanol. Special Notice for the elderly, infants, cancer patients, All drinking water may contain contaminants. people with HIV/AIDS or other immune problems: When drinking water meets federal standards there may not Some people may be more vulnerable to contaminants in be any health based benefits to purchasing bottled water or point of drinking water than the general population.Immuno-compromised use devices.Drinking water,including bottled water,may reason- persons such as persons with cancer undergoing chemotherapy,per- ably be expected to contain at least small amounts of some contami- sons who have undergone organ transplants,people with HIV/AIDS nants.The presence of contaminants does not necessarily indicate or other immune system disorders,some elderly,and infants can be that the water poses a health risk.More information about contami- particularly at risk from infections.These people should seek advice nants and potential health effects can be obtained by calling the about drinking water from their health care providers.The EPA's Safe Drinking Water Hotline(1-800-426-4791). EPA/Centers for Disease Control and Prevention(CDC)guidelines Secondary Constituents: on appropriate means to lessen the risk of infection by Many constituents(such as calcium,sodium,or iron)which Cryptosporidium and other microbial contaminants are available are often found in drinking water can cause taste,color,and odor from the Safe Drinking Water Hotline(1-800-426-4791). problems.The taste and odor constituents are called secondary con- Public Participation Opportunities: stituents and are regulated by the State of Texas,not the EPA.These We encourage public interest and participation in our constituents are not causes for health concern.Therefore,secondar- community's decisions affecting drinking water.Regular City ies are not required to be reported in this document but they may Council meetings take place on the 2nd&4th Tuesdays of the greatly affect the appearance and taste of your water. month,at 7 p.m.at 201 N.Ector Dr.The public is welcome. Definitions: Our Drinking Water Meets or Exceeds All Federal (EPA) Maximum Contaminant Level Goal or MCLG:The level of a contami- Drinking Water Requirements nant in drinking water below which there is no known or expected risk to This report is a summary of the quality of the water we health.MCLGs allow for a margin of safety. provide our customers.The analysis was made by using the data Maximum Contaminant Level or MCL:The highest permissible level of from the most recent U.S.Environmental Protection Agency(EPA) a contaminant in drinking water.MCLs are set as close to the MCLGs as feasible using the best available treatment technology. required tests and is presented on the opposite site.We hope this Maximum Residual Disinfectant Level(MRDL):The highest level of dis- helps you become more knowledgeable about what's in your infectant allowed in drinking water.There is convincing evidence that addi- drinking water.Listed are all of the federally regulated or monitored tion of a disinfectant is necessary for control of microbial contaminants. contaminants which have been found in your drinking water.The Maximum Residual Disinfectant Level Goal(MRDLG):The level of a U.S.EPA requires water systems to test for up to 97 contaminants. drinking water disinfectant below which there is no known or expected Water Sources: risk to health.MRDLGs do not reflect the benefits of the use of disinfec- The sources of drinking water(both tap water and bottled tants to control microbial contamination. water)include rivers,lakes,streams,ponds,reservoirs,springs,and Treatment Technique(TT):A required process intended to reduce the wells.As water travels over the surface of the land or through the level of a contaminant in drinking water. Action Level(AL):The concentration of a contaminant which,if exceeded, ground,it dissolves naturally-occurring minerals,and in some cases, triggers treatment or other requirements a water system must follow. radioactive material,and can pick up substances resulting from the presence of animals or from human activity. Contaminants that may Abbreviations be present in source water before treatment include:microbes,inor- ganic contaminants,pesticides,herbicides,radioactive contami- NTU Nephelometric Turbidity Units nants,and organic chemical contaminants. pCi/1 Piccocuries Per Liter,a measure of radioactivity Where do we get our drinking water? ppm Parts Per Million or Milligrams Per Liter Our drinking water is obtained from surface and ground water ppb Parts Per Billion or Micrograms Per Liter ppt Parts per trillion or Nanograms Per Liter sources.It is supplied by Trinity River Authority(Cedar Creek and ppq Parts Per Quadrillion or Picograms Per Liter Richland Chambers Lakes)and Euless water wells(Trinity MFL Million Fibers per liter,a measure of asbestos Aquifer).TCEQ completed an assessment of our source water and results indicate that some of our sources are susceptible to certain For additional information, call the City of Euless at contaminants.The sampling requirements for our water system are based on this susceptibility and previous sample data.Any detection (817) 685-1580 or visit www.euless.org/water. of these contaminants will be found in this report.If we receive or purchase water from another system,their susceptibility is not The City of Euless is a member of the American Water Works included in this assessment.For more information on source water Association and the Texas Water Utilities Association. assessments and protection efforts at our system,please contact us. 'ear Contaminant Avg. Min. Max. MCL MCLG Unit of Source of Contaminant Range Level Level Level Measure Inorganic Contaminants 2002-2003 Barium 0.044 0.041 0.047 2 2 ppm Discharge of drilling wastes;Discharge from metal refineries; Erosion of natural deposits 2002-2004 Fluoride 1.2 0.3 2.1 4 4 ppm Erosion of natural deposits;additive which promotes strong teeth; discharge from fertilizer and aluminum factories. 2004-2004 Nitrate 0.145 0.06 0.23 10 10 ppm Runoff from fertilizer use;leaching from septic tanks,sewage;erosion of natural deposits 2002-2004 Selenium 1.3 0 2.6 50 50 ppb Discharge from petroleum and metal refineries; erosion of natural deposits;discharge from mines. 2002-2002 Combined Radium 0.75 0 1.5 5 0 pCi/L Erosion of natural deposits. Organic Contaminants 2004-2004 Simazine 0.200 0.2 0.2 4 4 ppb Herbicide runoff. 2004-2004 Atrazine 0.495 0.93 0.93 3 3 ppb Runoff from herbicide used on row crops. Maximun Residual Disinfectant Level 2004 Chloramine 1.1975 0.3 2.0 4 4 ppm Disinfectant used to control microbes. Disinfection Byproducts 2004-2004 Total Haloacetic Acids 15.45 <6 35.9 60 ppb Byproduct of drinking water disinfection. 2004-2004 Total Trihalomethanes 23.45 <8 53.9 80 ppb Byproduct of drinking water disinfection. Unregulated Contaminants 2004-2004 Chloroform 31.55 23.1 40 ppb Byproduct of drinking water disinfection. 2004-2004 Bromodichloromethane 11.60 8.0 15.2 ppb Byproduct of drinking water disinfection. 2004-2004 Dibromochloromethane 3.15 0.6 5.7 ppb Byproduct of drinking water disinfection. 2004-2004 Bromochloroacetic 2.85 0 5.7 ppb Byproduct of drinking water disinfection. ear Contaminant the 90th #of sites action Unit of Source of Contaminant Range percentile exceeding action level Measure level Lead and Copper 2004-2004 Lead 0.00034 0 15 ppb Corrosion of household plumbing system;erosion of natural deposits. 2004-2004 Copper 0.0155 0 1.3 ppm Corrosion of household plumbing systems;erosion of natural deposits;leaching from wood preservatives. ear on aminan ig es singe lowest monthly ur•i•i r ni o Source of Contaminant Range measurement %of samples limits Measure meeting limits Turbidity Turbidity has no health effects.However,turbidity can interfere with disinfection and provide a medium for microbial growth.Turbidity may indicate the presence of disease- causing organisms.These organisms include bacteria,viruses,and parasites that can cause symptoms such as nausea,cramps,diarrhea and associated headaches. 2004 Turbidity 0.31 99.44 0.3 NTU Soil runoff. ear Contaminant Avg. Min. Max. Unit of Source of Contaminant Range Level Level Level Measure Total Organic Carbon (TOCI TOC values are from monthly samples of the raw source water until Jan 2004 to allow for completion of capital improvements.There are no health effects directly associated with it. 2003 Total Organic Carbon 5.2 4.4 6.4 ppm Naturally occuring. ear Contaminant Highest monthly°o MCL Unit of Source of Contaminant of positive samples Measure Coliforms Total Coliform bacteria are used as indicators of microbial contamination of drinking water because testing for them is easy.While not disease-causing organisms themselves,they are often found in association with other microbes that are capable of causing disease.Coliform bacteria are more hardy than many disease-causing organisms;therefore,their absence from water is a good indication that the water is microbiologically safe for human consumption.Fecal Coliform bacteria and,in particular,E.coli,are members of the Coliform bacteria group originating in the intestinal tract of warm- blooded animals and are passed into the environment through feces.The presence of fecal Coliform bacteria(E.coli)in drinking water may indicate recent contamination of the drinking water with fecal material.The following table indicates whether total Coliform or fecal Coliform bacteria were found in the monthly drinking water samples submitted for testing by your water supplier last year. 2004 Total Coliform Bacteria 1.9 * presence Naturally present in environment. *Presence of Coliform bacteria is in 5%of the montly samples. Fecal Coliform -none detected. ear Constituent Avg. Min. Max. limit Unit of Source of Constituent Range Level Level Level Measure Availability of Unregulated Contaminant Monitoring Rule Data(UCMR) We participated in gathering data under the UCMR in order to assist EPA in determining the occurance of possible drinking water contaminants.If any unregulated contaminants were detected,they are shown in the tables elsewhere in this report.This data may also by found on the EPA's web site at www.epa.gov/safewater/data/ncod.html,or you can call the Safe Water Drinking Hotline at(800)426-4791. Secondary and Other Not Regulated Constituents(no associated adverse health effects' 2002-2002 Aluminum 49.5 0 99 50-200 ppb Abundant naturally occurring element. 2002-2004 Bicarbonate 235.5 100 567 NA ppm Corrosion of carbonate rocks such as Limeston. 2002-2002 Calcium 1.79 1.79 1.79 NA ppm Abundant naturally occurring element. 2002-2002 Chloride 61 17 139 300 ppm Abundant naturally occurring element used in water purification. Byproduct of oil field activity 2002-2002 Copper 0.018 0.01 0.041 1.0 ppm Corrosion of house hold plumbing;erosion of natural deposits; leaching from wood preservatives 2002-2002 Iron 0.195 0.017 0.022 0.3 ppm Erosion of natural deposits;iron/steel water delivery;equipment or facilities 2002-2002 Lead 2.15 0 4.3 NA ppb Corrosion of household plumbing;erosion of natural deposits 2002-2002 Magnesium 2.075 <1 4.13 NA ppm Abundant naturally occurring element. 2004-2004 PH 7.85 7.47 8.23 NA Units Measure of corrosivity of water 2002-2004 Sodium 175.5 0 351 NA ppm Erosion of natural deposits;byproduct of oil field activity 2002-2004 Sulfate 80 44 116 300 ppm Naturally occurring.Common industrial and oil field activity byproduct. 2004-2004 Total Alkalinity 41 0 82 NA ppm Naturally occurring soluble mineral 2002-2004 Total Dissolved Solids 254 193 877 1000 ppm Total dissolved mineral constituents in water. 2002-2003 Total Hardness 110 4.46 124 NA ppm Naturally occurring element.