OHA Drinking Water Services
PWS ID: 00371 ---- CHARLES TRACTS WATER COMPANY
Lead & Copper Summary Results

Lead and Copper Compliance Actions
  • No lead and copper schedules found.


    • Lead and copper results shown are the 90th percentile summary results. See all detailed results.
    Consumer notice date is the date water customers were notified of their tap results. Consumer notice records are not available prior to 2016.

    Action Levels:  Lead = 0.015 mg/L;  Copper = 1.3 mg/L. Action level exceedances are indicated with bold red text.

    Sample Dates Date
    Received    		 Sample
    Count    		 Duration Lead
    (mg/L)    		 Copper
    (mg/L)    		 Consumer
    Notice Date
    Sep 23, 2020 - Sep 23, 2020 Oct 07, 2020 5 3Y 0.0019 0.0416
    Sep 15, 2016 - Sep 15, 2016 Oct 04, 2016 5 3Y 0.0069 0.0850
    Sep 26, 2013 - Sep 26, 2013 Oct 29, 2013 5 3Y 0.0050 0.0870
    Aug 31, 2010 - Aug 31, 2010 Nov 08, 2010 5 3Y 0.0014 0.0168
    Nov 27, 2007 - Nov 27, 2007 Jan 08, 2008 5 3Y 0.0020 0.0260
    Jul 20, 2004 - Jul 20, 2004 Sep 23, 2004 5 3Y 0.0050 0.0680
    Jan 01, 2001 - Jul 20, 2001 Aug 23, 2001 5 YR 0.0012 0.0000
    Jan 01, 2000 - Dec 18, 2000 Dec 29, 2000 5 YR 0.0010 0.0100
    Jan 01, 1999 - Dec 08, 1999 Jan 20, 2000 5 YR 0.0050 0.0300
    Jan 01, 1994 - Jun 17, 1994 Sep 02, 1994 10 6M 0.0000 0.0800
    Jul 01, 1993 - Dec 16, 1993 Jan 26, 1994 10 6M 0.0020 0.1000


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