EWG's Tap Water Database


St. Clair Township


EWG's drinking water quality report shows results of tests conducted by the water utility and provided to the Environmental Working Group by the Michigan Department of Environmental Quality, 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.

This water utility buys or otherwise receives some or all of its finished water from one or more public water utility systems. EWG research suggests that this utility purchases water from a single supplier, St. Clair, City of. Tap water results displayed on the utility page show the water quality testing conducted by the original water supplier and this utility.

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contaminants detected above health guidelines


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; hormones.

  • Hormones

    This utility detected 4-Androstene-3,17-dione & Testosterone.

    Hormones in drinking water come from human and animal wastewater discharged into drinking water sources. Conventional drinking water treatment does not remove hormones.

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Pollution sources

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

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Runoff &

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        • 4-Androstene-3,17-dione
        • Testosterone
          Specific water contaminants can come from more than one source.

          St. Clair Township compliance with legally mandated federal standards

          • From October 2015 to September 2018, St. Clair Township complied with health-based drinking water standards.
          • 5 QUARTERS
            in violation of any federal drinking water standard from October 2015 to September 2018
          Information in this section on St. Clair Township 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:

          17-beta-Estradiol, Equilin, Estriol, Estrone, Ethinyl estradiol