Loading...
HomeMy WebLinkAbout2013 Water Quality Report THE CITY OF ■ EULESS • 2013 Annual Water Quality Report • Consumer Confidence Report #r (817) 685-1581 www.EulessTx.gov/Water Este reporte incluye informacion importante sobre el agua para tomar. Si tiene • preguntas o'discusiones sobre este reporte en espanol,favor de llamar al tel. 11 EIIMEMM (817) 685-1584 para hablar con una persona bilingue en espanol. Our Drinking Water Meets or Exceeds All Federal(EPA)Drinking : Contaminants may be found in drinking water that may cause taste, Water Requirements : color,or odor problems.These types of problems are not necessarily This report is intended to provide you with important information : causes for health concerns. For more information on taste,odor, or about your drinking water and the efforts made by the water system : color of drinking water,please contact the system's business office. to provide safe drinking water.The City of Euless is a member of the : Special Notice American Water Works Association and the Texas Water Utilities : You may be more vulnerable than the general population to certain Association. • microbial contaminants,such as Cryptosporidium,in drinking water. Public Participation Opportunities: • Infants, some elderly, or immunocompromised persons such as We encourage public interest and participation in our community's • those undergoing chemotherapy for cancer; persons who have decisions affecting drinking water. Regular City Council meetings • undergone organ transplants; those who are undergoing treatment take place on the second&fourth Tuesdays of the month,at 7 p.m. • with steroids; and people with HIV/AIDS or other immune system in Euless City Hall, 201 N. Ector Dr.The public is welcome. (817) • disorders,can be particularly at risk from infections.You should seek 685-1400. •• advice about drinking water from your physician or health care Water Sources: • providers.Additional guidelines on appropriate means to lessen the The sources of drinking water(both tap water and bottled water) : risk of infection by Cryptosporidium are available from the Safe include rivers,lakes,streams,ponds,reservoirs,springs,and wells.As : Drinking Water Hotline. water travels over the surface of the land or through the ground, it ; Required Additional Health Information for Lead dissolves naturally-occurring minerals and,in some cases,radioactive ; If present,elevated levels of lead can cause serious health problems, material, and can pickup substances resulting from the presence of ; especially for pregnant women and young children.Lead in drinking animals or from human activity. : water is primarily from materials and components associated with Drinking water,induding bottled water,may reasonably be expected ; service lines and home plumbing.We are responsible for providing to contain at least small amounts of some contaminants. The ; high quality drinking water, but we cannot control the variety of presence of contaminants does not necessarily indicate that water ; materials used in plumbing components.When your water has been poses a health risk. More information about contaminants and ; sitting for several hours, you can minimize the potential for lead potential health effects can be obtained by calling the EPAs Safe ; exposure by flushing your tap for 30 seconds to 2 minutes before Drinking Water Hotline at(800)426-4791. ; using water for drinking or cooking.If you are concerned about lead Contaminants that may be present in source water include: •• in your water,you may wish to have your water tested.Information ••Microbial contaminants,such as viruses and bacteria,which may ; on lead in drinking water,testing methods,and steps you can take to come from sewage treatment plants, septic systems, agricultural minimize exposure is available from the Safe Drinking Water Hotline livestock operations,and wildlife. : or at www.epa.gov/safewater/lead. •Inorganic contaminants,such as salts and metals,can be naturally- ; Where do we get our Drinking Water? occurring or result from urban storm water runoff, industrial or ; Our drinking water is obtained from surface and ground water domestic wastewater discharges, oil &gas production, mining, or ; sources. It is supplied by Trinity River Authority(Cedar Creek and farming. : Richland Chambers Lakes)and Euless water wells(Trinity Aquifer). • Pesticides and herbicides, which may come from a variety of A Source Water Susceptibility Assessment for your drinking water sources such as agriculture,urban storm water runoff,and residential sources) is currently being updated by the Texas Commission on uses. •• Environmental Quality.This information describes the susceptibility • Organic chemical contaminants, including synthetic and volatile • and types of constituents that may come into contact with your organic chemicals,which are by-products of industrial processes and • drinking water source based on human activities and natural • conditions.The information contained in the assessment allows us petroleum production, and can also come from gas stations,urban storm water runoff and septic systems. • to focus source water protection strategies. In order to ensure that tap water is safe to drink, EPA prescribes •• For more information about your sources of water,please refer to the • regulations which limit the amount of certain contaminants in water ; Source Water Assessment Viewer available at the following URL: provided by public water systems. FDA regulations establish limits :• http://www.tceq.texas.gov/gis/swaview. Further details about sources and source water assessments are available at for contaminants in bottled water which must provide the same ;• protection for public health. ▪ http://dww.tceq.state.tx.us/DWW. Maximum Residual Disinfectant Level 2013 Chlorine Residual,Free 2.115 0.5 4 4 4 ppm Disinfectant used to control microbes. Coliform Bacteria MCLG Total Coliform Maximum Contaminant Level Highest No.of Positive Fecal Coliform Total No.of Positive E.Cob Violation Likely Source of Contamination or E.Coli MCL or Fecal Coliform Samples 0 5%of monthly samples are positive. 1.6 percent of samples were positive 0 N Naturally present in the environment. Lead and Co..er Lead and Copper Date Sampled MCLG The 90. Action Level Site#Over Units Violation Likely Source of Contamination Percentile Action Level Copper 8/15/12 1.3 0.227 1.3 0 ppm N Erosion of natural deposits;leaching from wood preservatives; Corrosion of household plumbing systems. Lead 8/15/12 0 1.41 15 0 ppb N Corrosion of plumbing systems;Erosion of natural deposits. Regulated Contaminants Disinfectants and Disinfection Collection Range of By-Products Date Highest Level Detected Levels MCLG MCL Units Violation Likely Source of Contamination Detected Arsenic 7/24/2013 0.833 0.833-0.833 0 10 ppb N Erosion of natural deposits;runoff from orchards;runoff from glass &electronics production wastes. Atrazine 1/22/2013 0.22 0.22-0.22 3 3 ppb N Runoff from herbicide used on row crops. Barium 7/24/2013 0.0396 0.0396-0.0396 2 2 ppm N Discharge of drilling wastes;Discharge from metal refineries; Erosion of natural deposits. Bromate 2013 5.7 0-5.7 0 10* ppb N By-product of drinking water°zonation. *Compliance is based on Running Annual Average of monthly averages for Bromate at the end of each quarter,which was less than 5 ppb for each quarter in 2013. Chromium 7/24/13 0.461 0.461-0.461 100 100 ppb N Discharge from steel/pulp mills;erosion of natural deposits. Fluoride 1/23/13 0.16 0.16-0.16 4 4.0 ppb N Erosion of natural deposits;water additive which promotes strong teeth;discharge from fertilizer&aluminum factories. Nitrate*(measured as Runoff from fertilizer use;leaching from septic tanks;sewage; 7/24/13 0.154 0.154-0.154 10 10 ppm N Nitrogen) erosion of natural deposits. Runoff from fertilizer use;Leaching from septic tanks,sewage; Nitrite(measured as Nitrogen) 2013 .24 0-0.24 1 1 ppm N erosion of natural deposits. Simazine 1/22/13 0.12 0.12-0.12 4 4 ppm N Herbicide runoff. Total Organic Carbon(TOC) 2013 1.03 1.00-1.03 None TT=1.0 None N Naturally present in the environment. Removal ratio* *Removal ratio is the percent TOC removed by the treatment process divided by the percent of TOC removal required by TCEQ. Turbidity Soil runoff. Highest single measurement 2013 0.25 0.09-0.25 0 TTo1.0 NTU N of samples s 0.3 NTU 2013 Lowest was 100 100-100 100 TT=95 % N Haloacetic Acids(HAA5*) 2013 20 1-20 No goal 60 ppb N By-product of drinking water chlorination. Total Trihalomethanes 2013 41.9 1-41.9 No goal 80 ppb N By-product of drinking water chlorination. Not all sample results may have been used for calculating the Highest Level Detected because some results maybe part of an evaluation to determine where compliance sampling should occur in the future. Contaminant Collection Average Range of Levels Units Likely Source of Contamination Date Detected Bromodlchloromethane I®®-MIZE- By-product of drinking water chlorination. Chloroform ®®-M :. By-product of drinking water chlorination. Dibromochloromethane LEMEMIE=11 5.84-5.84 -MIJ,r r�- By-product of drinking water chlorination. Radionuclides Contaminant Collection Highest Single Sample Range of Levels MCLG MCL Units Violation Likely Source of Contamination Date Detected Beta/photon emitters 6/23/08 4.6-4.6 MI=®1 f© Decay of natural and man-made deposits. *MCLG and MCL are.iven in ex.osure units of millirem/ear set at 0 and 4,res.ectivel ,but sam.les are measured in activi units of.icoCuries/Liter.Ci/L.EPA considers 50.Ci/L to be the level of concern for Beta.articles. Secondary and Other Constituents Not Regulated Contaminant Collection Highest Range of Levels Secondary Limit Units Violation Likely Source of Contamination Date Detected Aluminum 7/24/13 35.7 35.7-35.7 50 ppb N Abundant naturally occurring element. Bicarbonatelasceldumwmonatet 1/22/13 86 86-86 None ppm N Erosion of carbonate rocks such as limestone. Calcium 7/24/13 23.7 23.7-23.7 None ppm N Abundant naturally occurring element. Chloride 1/22/13 19.4 19.4-19.4 300 ppm N Abundant naturally occurring element.Used in water purification;By-product of oil field activity. Conductivity @ 25°C 1/22/13 329 329-329 None pohmstcm N Ability of water to conduct electricity due to electralytes. Copper 7/24/13 25.8 25.8-25.8 1000* ppb N Erosion of natural deposits;Corrosion of household plumbing. *This secondary limit is for Copper as a nuisance contaminant,apart from the primary list because it can stain fixtures and impart a bitter metallic taste to drinking water. Magnesium 7/24/13 3.74 1 3.74-3.74 None ppm N Abundant naturally occurring element. Manganese 7/24/13 5.8 5.8-5.8 50 ppb N Naturally occurring element. Nickel 7/24/13 0.636 0.636-0.636 None ppb N Naturally occurring element. pH 2013 9.2 7.4-9.2 >7.0 pH unit N Measure ofthecorrosivityofwater. Sodium 1/22/13 25.9 23.8-25.9 None ppm N 7/24/13 Sulfate 1/22/13 43 43-43 300 ppm N Naturally occurring constituent;Common industrial by-product;By-product of oil field activity. Total Alkalinity 1/22/13 86 86-86 None ppm N Naturally occurring soluble mineral salts. [as Calcium carbonate] Total Dissolved Solids 1/22/13 202 202-202 1000 ppm N Total dissolved mineral constituents in water. Total Hardness 7/24/13 74.6 74.6-74.6 None ppm N Naturally occurring soluble Calcium and Magnesium deposits. [as Calcium carbonate] Radioactive Contaminants Collection Highest Level Detected Range of Levels MCLG MCL Units Violation Likely Source of Contamination Date Detected Combined Radium 226/228 2011 2 2-2 0 5 pCi/L N Erosion of natural deposits. Abbreviations: Action Level Goal(ALG):The level of a contaminant in drinking water below which there is no known or expected risk to health.ALGs allow for a margin of Definitions:The following tables contain scientific terms and measures, safety. some of which may require explanation. Action Level(AL):The concentration of a contaminant which,if exceeded, Maximum Contaminant Level Goal or(MCLG):The level of a contaminant triggers treatment or other requirements a water system must follow. in drinking water below which there is no known or expected health risk. Avg:Regulatory compliance with some MCLs are based on running annual MCLGs allow for a margin of safety. average of monthly samples. Maximum Contaminant Level or(MCL):The highest level of a contaminant MFL: Million Fibers per Liter(a measure of asbestos) that is allowed in drinking water.MCLs are set as close to the MCLGs as NTU: Nephelometric Turbidity Units(a measure of turbidity) feasible using the best available treatment technology. pCill: Piccocuries Per Liter,a measure of radioactivity Maximum Residual Disinfectant Level Goal(MRDLG):The level of a ppm: Parts Per Million or Milligrams Per Liter-or one ounce in 7,350 drinking water disinfectant below which there is no known or expected risk to gallons of water health.MRDLGs do not reflect the benefits of the use of disinfectants to ppb: Parts Per Billion or Micrograms Per Liter-or one ounce in control microbial contamination. 7,350,000 gallons of water. Maximum Residual Disinfectant Level(MRDL):The highest level of ppt: Parts per Trillion or Nanograms Per Liter(ng/L) disinfectant allowed in drinking water.There is convincing evidence that PPq Parts per quadrillion,or picograms per liter(pg/L) addition of a disinfectant is necessary for control of microbial contaminants. N/A: Not Applicable.