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EWG's Tap Water Database

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Hornersville

 

EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the Missouri Department of Natural Resources - Public Drinking Water Program, 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 serious violation federal health-based drinking water standards.

This water utility has its own treatment plant or water supply, and also buys or otherwise receives some of its finished water from one or more public water utility systems to provide water for a part of its service area and customers. The list below includes the names of the supplemental water suppliers, with links to their water quality testing data.
- Dunklin County Public Water Supply District 2

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1

contaminants detected above health guidelines

5

other detected contaminants

    Includes chemicals detected in 2015 for which annual utility averages exceeded the federal Maximum Contaminant Level (MCL); chemicals detected in 2015 for which annual utility averages exceeded an EWG-selected health guideline established by a federal or state public health authority.

  • Arsenic

    over legal limit

    Arsenic is a potent carcinogen and common contaminant in drinking water. Arsenic causes thousands of cases of cancer each year in the U.S. Click here to read more about arsenic.

    STATE

    NATIONAL

    THIS UTILITY

    How your levels compare

    HEALTH GUIDELINE:
    0.004 ppb
    1.30 ppb
    0.218 ppb
    11.5 ppb
    The State and National averages were calculated using the averages of the contaminant measurements for each utility in 2015.
    ppb = parts per billion.

    Health risks of arsenic in excess of health guideline

    The health guideline of 0.004 ppb for arsenic was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer.

    Testing summary by quarter

    NOT TESTED

    NOT DETECTED

    DETECTED

    ABOVE HEALTH GUIDELINE

    ABOVE LEGAL LIMIT

    • Utility Average 2015: 11.5 ppb
    • Health Guideline Exceeded 2015: Yes
    • Legal Limit Exceeded 2015: Yes
    Utility
    Average
    2015
    Health
    Guideline
    Exceeded
    2015
    Legal
    Limit
    Exceeded
    2015
    2010 2011 2012 2013 2014 2015
    11.5 ppb Yes Yes

    Includes chemicals detected in 2015 for which annual utility averages were lower than an EWG-selected health guideline established by a federal or state public health authority; chemicals detected under the EPA's Unregulated Contaminant Monitoring Rule (UCMR 3) program in 2013 to 2015, for which annual utility averages were lower than an EWG-selected health guideline established by a federal or state public health authority.

  • Barium


    Barium is a mineral present in rocks, soil and water. High concentrations of barium in drinking water increase the risk of cardiovascular disease and hypertension.

    STATE

    NATIONAL

    THIS UTILITY

    How your levels compare

    HEALTH GUIDELINE:
    700 ppb
    68.2 ppb
    113.6 ppb
    3.42 ppb
    The State and National averages were calculated using the averages of the contaminant measurements for each utility in 2015.
    ppb = parts per billion.

    Health risks of barium in excess of health guideline

    The health guideline of 700 ppb for barium was defined by the Environmental Protection Agency as a children's health-based limit for 10-day exposure, a non-enforceable federal health advisory. This health guideline protects against harm to internal organs.

    Testing summary by quarter

    NOT TESTED

    NOT DETECTED

    DETECTED

    ABOVE HEALTH GUIDELINE

    ABOVE LEGAL LIMIT

    • Utility Average 2015: 3.42 ppb
    • Health Guideline Exceeded 2015: No
    • Legal Limit Exceeded 2015: No
    Utility
    Average
    2015
    Health
    Guideline
    Exceeded
    2015
    Legal
    Limit
    Exceeded
    2015
    2010 2011 2012 2013 2014 2015
    3.42 ppb No No

  • Chromium (total)


    Chromium is a naturally occurring metal, but industrial uses can elevate its levels in water. One form, hexavalent chromium, causes cancer. Total chromium is not a good indicator of the amount of hexavalent chromium in drinking water.

    STATE

    NATIONAL

    THIS UTILITY

    How your levels compare

    0.637 ppb
    1.45 ppb
    12.8 ppb
    The State and National averages were calculated using the averages of the contaminant measurements for each utility in 2010-2015.
    ppb = parts per billion.

    Testing summary by quarter

    NOT TESTED

    NOT DETECTED

    DETECTED

    ABOVE LEGAL LIMIT

    • Utility Average 2010-2015: 12.8 ppb
    • Health Guideline Exceeded 2010-2015: No
    • Legal Limit Exceeded 2010-2015: No
    Utility
    Average
    2010-2015
    Health
    Guideline
    Exceeded
    2010-2015
    Legal
    Limit
    Exceeded
    2010-2015
    2010 2011 2012 2013 2014 2015
    12.8 ppb No No

  • Fluoride


    Fluoride occurs naturally in surface and groundwater and is also added to drinking water by many water systems.

    STATE

    NATIONAL

    THIS UTILITY

    How your levels compare

    0.440 ppm
    0.292 ppm
    0.617 ppm
    The State and National averages were calculated using the averages of the contaminant measurements for each utility in 2015.
    ppm = parts per million.

    Testing summary by quarter

    NOT TESTED

    NOT DETECTED

    DETECTED

    ABOVE LEGAL LIMIT

    • Utility Average 2015: 0.617 ppm
    • Health Guideline Exceeded 2015: No
    • Legal Limit Exceeded 2015: No
    Utility
    Average
    2015
    Health
    Guideline
    Exceeded
    2015
    Legal
    Limit
    Exceeded
    2015
    2010 2011 2012 2013 2014 2015
    0.617 ppm No No

  • Manganese


    Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

    STATE

    NATIONAL

    THIS UTILITY

    How your levels compare

    HEALTH GUIDELINE:
    100 ppb
    28.1 ppb
    5.05 ppb
    2.85 ppb
    The State and National averages were calculated using the averages of the contaminant measurements for each utility in 2015.
    ppb = parts per billion.

    Health risks of manganese in excess of health guideline

    The health guideline of 100 ppb for manganese was defined by Minnesota as a risk assessment advisory level, a non-enforceable guideline. This health guideline protects against harm to the brain and nervous system.

    Testing summary by quarter

    NOT TESTED

    NOT DETECTED

    DETECTED

    ABOVE HEALTH GUIDELINE

    • Utility Average 2015: 2.85 ppb
    • Health Guideline Exceeded 2015: No
    • Legal Limit Exceeded 2015: No
    Utility
    Average
    2015
    Health
    Guideline
    Exceeded
    2015
    Legal
    Limit
    Exceeded
    2015
    2010 2011 2012 2013 2014 2015
    2.85 ppb No No

  • Nitrate and nitrite


    Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.

    STATE

    NATIONAL

    THIS UTILITY

    How your levels compare

    HEALTH GUIDELINE:
    5 ppm
    0.724 ppm
    0.259 ppm
    0.0690 ppm
    The State and National averages were calculated using the averages of the contaminant measurements for each utility in 2015.
    ppm = parts per million.

    Health risks of nitrate and nitrite in excess of health guideline

    The health guideline of 5 ppm for nitrate and nitrite was defined by EWG based on studies by scientists at the National Cancer Institute and other independent researchers. This health guideline protects against cancer and harm to fetal growth and development.

    Testing summary by quarter

    NOT TESTED

    NOT DETECTED

    DETECTED

    ABOVE HEALTH GUIDELINE

    ABOVE LEGAL LIMIT

    • Utility Average 2015: 0.0690 ppm
    • Health Guideline Exceeded 2015: No
    • Legal Limit Exceeded 2015: No
    Utility
    Average
    2015
    Health
    Guideline
    Exceeded
    2015
    Legal
    Limit
    Exceeded
    2015
    2010 2011 2012 2013 2014 2015
    0.0690 ppm No No

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Pollution sources

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

agriculture icon

Agriculture

teardrop 2
industry icon

Industry

teardrop 4
water treatment icon

Treatment
byproducts

tear drop 1
urban area icon

Runoff &
sprawl

teardrop 1
naturally occuring icon

Naturally
occuring

teardrop 5

  • Arsenic
  • Nitrate and nitrite
  • Arsenic
  • Barium
  • Chromium (total)
  • Manganese
  • Arsenic
  • Barium
  • Chromium (total)
  • Manganese
  • Nitrate and nitrite
  • Nitrate and nitrite
  • Fluoride
Specific water contaminants can come from more than one source.

Hornersville compliance with legally mandated federal standards

  • From October 2015 to September 2018, Hornersville did not comply with health-based drinking water standards.
  • 12 QUARTERS
    in violation of any federal drinking water standard from October 2015 to September 2018
  • Over the last 3 years this water utility has spent
    3 QUARTERS
    in significant violation of federal drinking water standards
Information in this section on Hornersville comes from the U.S. EPA Enforcement and Compliance History Online database. Click here for more information for this utility.

Other contaminants tested


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, 2,2-Dichloropropane, 2,4,5-TP (Silvex), 2,4-D, 3-Hydroxycarbofuran, Alachlor (Lasso), Aldicarb, Aldicarb sulfone, Aldicarb sulfoxide, Aldrin, Aluminum, Antimony, Atrazine, Benzene, Beryllium, Bromobenzene, Bromochloroacetic acid, Bromochloromethane, Bromodichloroacetic acid, Bromodichloromethane, Bromoform, Bromomethane, Butachlor, Cadmium, Carbaryl, Carbofuran, Carbon tetrachloride, Chlordane, Chlorodibromoacetic acid, Chloroethane, Chloroform, Chloromethane, cis-1,2-Dichloroethylene, cis-1,3-Dichloropropene, Cyanazine (Bladex), Cyanide, Dalapon, Dibromoacetic acid, Dibromochloromethane, Dibromomethane, Dicamba, Dichloroacetic acid, Dichlorodifluoromethane, Dichloromethane (methylene chloride), Dieldrin, Dinoseb, Endrin, Ethylbenzene, Ethylene dibromide, Haloacetic acids (HAA5), Heptachlor, Heptachlor epoxide, Hexachlorobenzene (HCB), Hexachlorobutadiene, Hexachlorocyclopentadiene, Isopropylbenzene, Lindane, m- & p-Xylene, m-Dichlorobenzene, Mercury (inorganic), Methomyl, Methoxychlor, Metolachlor, Metribuzin, Monobromoacetic acid, Monochloroacetic acid, Monochlorobenzene (chlorobenzene), MTBE, n-Butylbenzene, n-Propylbenzene, Naphthalene, o-Chlorotoluene, o-Dichlorobenzene, o-Xylene, Oxamyl (Vydate), p-Chlorotoluene, p-Dichlorobenzene, p-Isopropyltoluene, Pentachlorophenol, Picloram, Polychlorinated biphenyls (PCBs), Propachlor, Radium, combined (-226 & -228), Radium-228, sec-Butylbenzene, Selenium, Silver, Simazine, Styrene, tert-Butylbenzene, Tetrachloroethylene (perchloroethylene), Thallium, Toluene, Total trihalomethanes (TTHMs), Toxaphene, trans-1,2-Dichloroethylene, trans-1,3-Dichloropropene, Tribromoacetic acid, Trichloroacetic acid, Trichloroethylene, Trichlorofluoromethane, Trifluralin, Vinyl chloride, Xylenes (total)