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EWG's Tap Water Database

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Colonial Woods Water System

 

EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the North Carolina Department of Environment and Natural Resources, 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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0

contaminants detected above health guidelines

2

other detected contaminants

    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 authori.

  • Dichloromethane (methylene chloride)


    Methylene chloride is a common industrial solvent used for paint stripping, vapor degreasing, printing, electronics manufacturing and cleaning. It causes cancer and liver damage in animal studies.

    STATE

    NATIONAL

    THIS UTILITY

    How your levels compare

    HEALTH GUIDELINE:
    4 ppb
    0.00303 ppb
    0.00625 ppb
    0.920 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 dichloromethane (methylene chloride) in excess of health guideline

    The health guideline of 4 ppb for dichloromethane (methylene chloride) 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: 0.920 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
    0.920 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

    0.437 ppm
    0.305 ppm
    0.155 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: 0.155 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
    0.155 ppm No No

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Pollution sources

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

agriculture icon

Agriculture

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industry icon

Industry

teardrop 1
water treatment icon

Treatment
byproducts

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urban area icon

Runoff &
sprawl

teardrop 1
naturally occuring icon

Naturally
occuring

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    • Dichloromethane (methylene chloride)
      • Dichloromethane (methylene chloride)
      • Fluoride
      Specific water contaminants can come from more than one source.

      Colonial Woods Water System compliance with legally mandated federal standards

      • From October 2015 to September 2018, Colonial Woods Water System complied with health-based drinking water standards.
      Information in this section on Colonial Woods Water System comes from the U.S. EPA Enforcement and Compliance History Online database. Click here for more information for this utility.

      Other contaminants tested