OHA Drinking Water Services
PWS ID: 00236 ---- COTTAGE GROVE, CITY OF
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
    Aug 23, 2021 - Sep 02, 2021 Sep 21, 2021 40 3Y 0.0050 0.0170
    Jul 18, 2018 - Jul 24, 2018 40 3Y 0.0040 0.0230
    Jun 03, 2015 - Jun 11, 2015 Jun 25, 2015 39 3Y 0.0110 0.0750
    Aug 07, 2012 - Aug 15, 2012 40 3Y 0.0040 0.0610
    Sep 03, 2009 - Sep 07, 2009 Oct 08, 2009 40 3Y 0.0060 0.0000
    Aug 10, 2006 - Aug 11, 2006 Sep 06, 2006 40 3Y 0.0040 0.1900
    Aug 20, 2003 - Aug 24, 2003 Sep 12, 2003 48 3Y 0.0080 0.2420
    Jan 01, 2000 - Jun 11, 2000 Jul 26, 2000 20 3Y 0.0080 0.1780
    Jan 01, 1996 - Aug 06, 1997 Sep 15, 1997 20 3Y 0.0060 0.0960
    Jan 01, 1996 - Aug 14, 1996 Nov 12, 1996 20 YR 0.0070 0.0850
    Jan 01, 1995 - Aug 23, 1995 Oct 02, 1995 20 YR 0.0130 0.1100
    Jan 01, 1994 - Aug 29, 1994 Oct 14, 1994 20 YR 0.0050 0.1200
    Jan 01, 1993 - Mar 05, 1993 Apr 05, 1993 40 6M 0.0060 0.0000
    Jul 01, 1992 - Dec 08, 1992 Jan 08, 1993 40 6M 0.0150 0.4540


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