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EWG's Tap Water Database

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North Holbrook Water Company

 

EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the Colorado Department of Public Health & Environment, as well as information from the U.S. EPA Enforcement and Compliance History database (ECHO). For the latest quarter assessed by the EPA (July 2018 - September 2018), tap water provided by this water utility was in compliance with federal health-based drinking water standards.

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1

contaminants detected above health guidelines

0

other detected contaminants

    Includes chemicals detected in 2015 for which annual utility averages exceeded an EWG-selected health guideline established by a federal or state public health authority; radiological contaminants detected between 2010 and 2015.

  • Radiological contaminants

    cancer

    This utility detected Radium, combined (-226 & -228), Radium-226 & Radium-228.

    Radiological contaminants leach into water from certain minerals and from mining. Drinking water contamination with radioactive substances increases the risk of cancer and may harm fetal development.

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Pollution sources

Click on each pollution source to see from which source contaminants come.

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Agriculture

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Industry

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Treatment
byproducts

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Runoff &
sprawl

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Naturally
occuring

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    • Radium, combined (-226 & -228)
    • Radium-226
    • Radium-228
    • Radium, combined (-226 & -228)
    • Radium-226
    • Radium-228
        Specific water contaminants can come from more than one source.

        North Holbrook Water Company compliance with legally mandated federal standards

        • From October 2015 to September 2018, North Holbrook Water Company complied with health-based drinking water standards.
        • 12 QUARTERS
          in violation of any federal drinking water standard from October 2015 to September 2018
        Information in this section on North Holbrook Water Company comes from the U.S. EPA Enforcement and Compliance History Online database. Click here for more information for this utility.

        Other contaminants tested


        Contaminants detected between 2010 and 2014 and were not part of EPA's UCMR-3 testing program:

        Fluoride, Haloacetic acids (HAA5), Bromoform, Total trihalomethanes (TTHMs)

         

        Chemicals tested for but not detected from 2010 to 2015:

        1,1,1,2-Tetrachloroethane, 1,1,1-Trichloroethane, 1,1,2,2-Tetrachloroethane, 1,1,2-Trichloroethane, 1,1-Dichloroethane, 1,1-Dichloroethylene, 1,1-Dichloropropene, 1,2,3-Trichlorobenzene, 1,2,3-Trichloropropane, 1,2,4-Trichlorobenzene, 1,2,4-Trimethylbenzene, 1,2-Dibromo-3-chloropropane (DBCP), 1,2-Dichloroethane, 1,2-Dichloropropane, 1,3,5-Trimethylbenzene, 1,3-Dichloropropane, 1,3-Dichloropropene, 2,2-Dichloropropane, 2,4,5-TP (Silvex), 2,4-D, 3-Hydroxycarbofuran, Alachlor (Lasso), Aldicarb, Aldicarb sulfone, Aldicarb sulfoxide, Aldrin, Atrazine, Benzene, Benzo[a]pyrene, Bromobenzene, Bromochloromethane, Bromodichloromethane, Bromomethane, Butachlor, Carbaryl, Carbofuran, Carbon tetrachloride, Chlordane, Chloroethane, Chloroform, Chloromethane, cis-1,2-Dichloroethylene, Combined uranium, Dalapon, Di(2-ethylhexyl) adipate, Di(2-ethylhexyl) phthalate, Dibromochloromethane, Dibromomethane, Dicamba, Dichlorodifluoromethane, Dichloromethane (methylene chloride), Dieldrin, Dinoseb, Diquat, Endothall, Endrin, Ethylbenzene, Ethylene dibromide, Heptachlor, Heptachlor epoxide, Hexachlorobenzene (HCB), Hexachlorobutadiene, Hexachlorocyclopentadiene, Isopropylbenzene, Lindane, m-Dichlorobenzene, Methomyl, Methoxychlor, Metolachlor, Metribuzin, Monochlorobenzene (chlorobenzene), n-Butylbenzene, n-Propylbenzene, Naphthalene, Nitrate, Nitrate & nitrite, Nitrite, o-Chlorotoluene, o-Dichlorobenzene, Oxamyl (Vydate), p-Chlorotoluene, p-Dichlorobenzene, p-Isopropyltoluene, Pentachlorophenol, Picloram, Polychlorinated biphenyls (PCBs), Propachlor, sec-Butylbenzene, Simazine, Styrene, tert-Butylbenzene, Tetrachloroethylene (perchloroethylene), Toluene, Toxaphene, trans-1,2-Dichloroethylene, Trichloroethylene, Trichlorofluoromethane, Vinyl chloride, Xylenes (total)