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2021 Water Quality Report Carbon Tetrachloride, o-Dichloro- benzene, Para-Dichlorobenzene, 1,2- substances resulting from the presence of animals or from Dichlorethane, 1,1-Dichloroethylene, Cis-1,2,-Dichloroethylene, Trans-1,2- human activity. Dichloroethylene, Dichloromethane, 1,2-Dichloropropane, Ethylbenzene, Monochlorobenzene, 1,2,4-Trichloro- benzene, 1,1,1-Trichloroethane, The source of water used by City Of Blair is surface water. 1,1,2-Trichloroethane, Trichloroethylene, Vinyl Chloride, Styrene, Tetrachloroethylene, Toluene, Xylenes (total), Gross Alpha (minus Contaminants that may be present in source water include: Uranium & Radium 226), Radium 226 plus Radium 228, Sulfate, * Microbial contaminants, such as viruses and bacteria, which Chloroform, Bromodichloromethane, Chlorodibromomethane, Bromoform, may come from sewage treatment plants, septic systems, Chlorobenzene, m-Dichlorobenzene, 1,1-Dichloropropene, 1,1- Dichloroethane, 1,1,2,2-Tetrachlorethane, 1,2-Dichloropropane, agricultural livestock operations and wildlife. Chloromethane, Bromomethane, 1,2,3-Trichloropropane, 1,1,1,2-Tetra- * Inorganic contaminants, such as salts and metals, which can chloroethane, Chloroethane, 2,2-Dichloropropane, o-Chlorotoluene, p- be naturally occurring or result from urban storm water runoff, Chlorotoluene, Bromobenzene, 1,3-Dichloropropene, Aldrin, Butachlor, City Of Blair industrial, or domestic wastewater discharges, oil and gas Carbaryl, Dicamba, Dieldrin, 3-Hydroxycarbofuran, Methomyl, Metolachlor, production, mining, or farming. Metribuzin, Propachlor. * Pesticides and herbicides, which may come from a variety of Annual Water Quality Report sources such as agriculture, urban storm water runoff, and How to Read the Water Quality Data Table: For January 1 to December 31, 2021 The EPA and State Drinking Water Program establish the safe residential uses. drinking water regulations that limit the amount of contaminants * Organic chemical contaminants, including synthetic and This report is intended to provide you with important information allowed in drinking water. The table shows the concentrations of volatile organic chemicals, which are by-products of industrial about your drinking water and the efforts made by the City Of detected substances in comparison to the regulatory limits. processes and petroleum production, and can also come from Blair water system to provide safe drinking water. Substances not detected are not included in the table. The state gas stations, urban storm water runoff, and septic systems. requires monitoring of certain contaminants less than once per year * Radioactive contaminants, which can be naturally-occurring or Para Clientes Que Hablan Español: Este informe contiene because the concentrations of these contaminants do not change información muy importante sobre el agua que usted bebe. be the result of oil and gas production and mining activities. frequently. Therefore, some of this data may be older than one year. Tradúzcalo ó hable con alguien que lo entienda bien. MCL (Maximum Contaminant Level) – The highest level of a conta- Drinking Water Health Notes: minant that is allowed in drinking water. MCLs are set as close to the For more information regarding this report, or to request a hard copy, contact: Some people may be more vulnerable to contaminants in MCLGs as feasible using the best available treatment technology. drinking water than the general population. Immunocompromised MCLG (Maximum Contaminant Level Goal) – The level of a AL R SCHOEMAKER persons such as persons with cancer undergoing chemotherapy, contaminant in drinking water below which there is no known or 402-426-4191 persons who have undergone organ transplants, people with expected risk to health. MCLGs allow for a margin of safety. HIV/AIDS or other immune system disorders, some elderly, and AL (Action Level) – The concentration of a contaminant which, if If you would like to observe the decision-making processes that infants can be particularly at risk from infections. These people exceeded triggers treatment or other requirements which a water affect drinking water quality, please attend the regularly should seek advice about drinking water from their health care system must follow. scheduled meeting of the Village Board/City Council. If you providers. EPA/CDC guidelines on appropriate means to lessen MRDL (Maximum Residual Disinfectant Level) – The highest level would like to participate in the process, please contact the of a disinfectant allowed in drinking water. the risk of infection by Cryptosporidium and other microbial Village/City Clerk to arrange to be placed on the agenda of the N/A – Not applicable. contaminants are available from the Safe Drinking Water Hotline meeting of the Village Board/City Council. (800-426-4791) or the NDEE Drinking Water Division at 402- Units in the Table: 471-2186. Drinking water, including bottled water, may reasonably be ND – Not detectable. ppm (parts per million) – One ppm corresponds to 1 gallon of expected to contain at least small amounts of some conta- If present, elevated levels of lead can cause serious health concentrate in 1 million gallons of water. minants. The presence of contaminants does not necessarily problems, especially for pregnant women and young children. mg/L (milligrams per liter) – Equivalent to ppm. indicate that water poses a health risk. More information about Lead in drinking water is primarily from materials and ppb (parts per billion) – One ppb corresponds to 1 gallon of concentrate contaminants and potential health effects can be obtained by components associated with service lines and home plumbing. in 1 billion gallons of water. calling the EPA's Safe Drinking Water Hotline (800-426-4791). ug/L (micrograms per liter) – Equivalent to ppb. All Community water systems are responsible for providing high pCi/L (Picocuries per liter) – Radioactivity concentration unit. quality drinking water, but cannot control the variety of materials Source Water Assessment Availability: RAA (Running Annual Average) – An ongoing annual average used in plumbing components. When your water has been The Nebraska Department of Environment and Energy (NDEE) calculation of data from the most recent four quarters. sitting for several hours, you can minimize the potential for lead LRAA (Locational Running Annual Average) – An ongoing annual has completed the Source Water Assessment. Included in the exposure by flushing your tap for 30 seconds to 2 minutes before average calculation of data from the most recent four quarters at each assessment are a Wellhead Protection Area map, potential using water for drinking or cooking. If you are concerned about sampling location. contaminant source inventory, and source water protection th 90 Percentile – Represents the highest value found out of 90% of the lead in your water, you may wish to have you water tested. information. To view the Source Water Assessment or for more th samples taken in a representative group. If the 90 percentile is greater Information on lead in drinking water, testing methods, and steps information please contact the person named above on this than the action level, it will trigger a treatment or other requirements that a you can take to minimize exposure is available from the Safe report or the NDEE at (402) 471-3376 or go to http://dee.ne.gov. water system must follow. Drinking Water Hotline (800-426-4791), at TT (Treatment Technique) – A required process intended to reduce the http://www.epa.gov/safewater/lead or at the NDEE Drinking In order to ensure that tap water is safe to drink, EPA prescribes level of a contaminant in drinking water. Water Division (402-471-1008). regulations which limit the amount of certain contaminants in water provided by public water systems. FDA regulations The City Of Blair is required to test for the following contaminants: establish limits for contaminants in bottled water which must Coliform Bacteria, Antimony, Arsenic, Asbestos, Barium, Beryllium, provide the same protection for public health. Cadmium, Chromium, Copper, Cyanide, Fluoride, Lead, Mercury, Nickel, Nitrate, Nitrite, Selenium, Sodium, Thallium, Alachlor, Atrazine, Sources of Drinking Water: Benzo(a)pyrene, Carbofuran, Chlordane, Dalapon, Di(2-ethylhexyl)adipate, The sources of drinking water (both tap water and bottled water) Dibromochloropropane, Dinoseb, Di(2-ethylhexyl)- phthalate, Diquat, 2,4- D, Endothall, Endrin, Ethylene dibromide, Glyphosate, Heptachlor, include rivers, lakes, streams, ponds, reservoirs, springs, and Heptachlor epoxide, Hexachlorobenzene, Hexachlorocyclopentadiene, groundwater wells. As water travels over the surface of the land Lindane, Methoxychlor, Oxamyl (Vydate), Pentachlorophenol, Picloram, or through the ground, it dissolves naturally-occurring minerals Polychlorinated biphenyls, Simazine, Toxaphene, Dioxin, Silvex, Benzene, and, in some cases, radioactive material, and can pick up City Of Blair TEST RESULTS Date Printed: 3/23/2022 NE3117905 Microbiological Highest No. of Positive Samples MCL MCLG Likely Source Of Contamination Violations Present No Detected Results were Found in the Calendar Year of 2021 Monitoring Sites Over th Lead and Copper 90 Percentile Range Unit AL Likely Source Of Contamination Period AL Erosion of natural deposits; Leaching from wood preservatives; COPPER, FREE 2017 - 2019 0.226 0.0225 - 0.448 ppm 1.3 0 Corrosion of household plumbing. Erosion of natural deposits; Leaching from wood preservatives; LEAD 2017 - 2019 1.42 0 - 2.04 ppb 15 0 Corrosion of household plumbing. Collection Highest Regulated Contaminants Range Unit MCL MCLG Likely Source Of Contamination Date Value ATRAZINE 8/19/2019 0.193 0 - 0.193 ppb 3 3 Runoff from herbicide used on row crops Discharge from drilling wastes; Discharge from metal refineries; Erosion of BARIUM 7/8/2019 0.0218 0.0218 ppm 2 2 natural deposits. CARBON, TOTAL 4/5/2021 4.53 2.6 - 4.53 ppm Naturally present in the environment CHROMIUM 7/8/2019 2.13 2.13 ppb 100 100 Discharge from steel and pulp mills; Erosion of natural deposits. Erosion of natural deposits; water additive which promotes strong teeth; FLUORIDE 7/8/2019 1.13 1.13 ppm 4 4 Fertilizer discharge. Runoff from fertilizer use; Leaching from septic tanks, sewage; Erosion of NITRATE-NITRITE 2/16/2021 0.764 0.764 ppm 10 10 natural deposits SELENIUM 7/8/2019 2.72 2.72 ppb 50 50 Erosion of natural deposits Highest Disinfection Byproducts Monitoring Period Range Unit MCL MCLG Likely Source Of Contamination RAA TOTAL HALOACETIC ACIDS (HAA5) 4/1/2020 - 3/31/2021 22.2875 15.9 - 29.2 ppb 60 0 By-product of drinking water disinfection. TTHM 4/1/2020 - 3/31/2021 60.1375 37.4 - 86.5 ppb 80 0 By-product of drinking water disinfection. Unregulated Water Quality Data Collection Date Highest Value Range Unit Secondary MCL ALKALINITY, CARBONATE 12/6/2021 210 160 - 210 mg/L METOLACHLOR 8/19/2019 0.114 0 - 0.114 ppb SULFATE 7/8/2019 225 225 mg/L 250 During the 2021 calendar year, we had the below noted violation(s) of drinking water regulations. Violation Type Category Analyte Compliance Period No Violations Occurred in the Calendar Year of 2021 The City Of Blair has taken the following actions to return to compliance with the Nebraska Safe Drinking Water Act: Additional Required Health Effects Language: Total organic carbon (TOC) has no health effects. However, total organic carbon provides a medium for the formation of disinfection byproducts. These byproducts include trihalomethanes (THMs) and haloacetic acids (HAAs). Drinking water containing these byproducts in excess of the MCL may lead to adverse health effects, liver or kidney problems, or nervous system effects, and may lead to an increased risk of getting cancer. Some people who drink water containing trihalomethanes in excess of the MCL over many years may experience problems with their liver, kidneys, or central nervous systems, and may have an increased risk of getting cancer. There are no additional required health effects violation notices. 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