OHA Drinking Water Services
PWS ID: 00861 ---- CIRCLE C IMPROVEMENT DISTRICT
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
    Jun 06, 2021 - Jun 08, 2021 Jun 17, 2021 5 3Y 0.0010 0.0478
    Aug 04, 2018 - Aug 07, 2018 Aug 10, 2018 5 3Y 0.0010 0.1240
    Sep 28, 2015 - Sep 28, 2015 Oct 09, 2015 5 3Y 0.0010 0.0540
    Aug 27, 2012 - Aug 28, 2012 Sep 29, 2012 5 3Y 0.0000 0.0570
    Jul 23, 2009 - Jul 26, 2009 Aug 25, 2009 5 3Y 0.0000 0.0000
    Jul 31, 2006 - Jul 31, 2006 Aug 25, 2006 5 3Y 0.0000 0.0670
    Jan 01, 2002 - Apr 13, 2002 May 16, 2002 5 3Y 0.0000 0.0590
    Jan 01, 1999 - Dec 14, 1999 Jan 10, 2000 5 YR 0.0010 0.0200
    Jan 01, 1996 - Sep 19, 1996 Mar 11, 1997 5 YR 0.0004 0.1200
    Jan 01, 1995 - Nov 17, 1995 Mar 11, 1997 5 YR 0.0004 0.1020
    Jul 01, 1994 - Jul 01, 1994 Aug 05, 1994 10 6M 0.0000 0.2100
    Jan 01, 1994 - Jan 03, 1994 Feb 17, 1994 10 6M 0.0019 0.2140


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