OHA Drinking Water Services
PWS ID: 00493 ---- LYONS MEHAMA WATER 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
    Sep 14, 2021 - Sep 15, 2021 Oct 01, 2021 10 3Y 0.0033 0.1390
    Aug 08, 2018 - Aug 10, 2018 Jul 16, 2019 10 3Y 0.0016 0.2920
    Sep 08, 2015 - Sep 09, 2015 Sep 17, 2015 10 3Y 0.0000 0.0815
    Sep 18, 2012 - Sep 20, 2012 Oct 03, 2012 10 3Y 0.0000 0.0449
    Sep 02, 2009 - Sep 04, 2009 Sep 29, 2009 10 3Y 0.0015 0.2000
    Aug 16, 2007 - Aug 16, 2007 Aug 08, 2008 10 3Y 0.0000 0.0500
    Dec 14, 2004 - Dec 15, 2004 Jan 07, 2005 10 YR 0.0020 0.1300
    Dec 16, 2003 - Dec 17, 2003 Jan 12, 2004 20 YR 0.0020 0.6200
    Dec 19, 2002 - Dec 20, 2002 Jan 13, 2003 20 6M 0.0030 0.8200
    Apr 16, 2002 - Apr 17, 2002 May 01, 2002 19 6M 0.0030 1.3000
    Jul 01, 1999 - Aug 10, 1999 Aug 31, 1999 20 6M 0.0140 3.2000
    Jul 01, 1996 - Dec 03, 1996 Feb 20, 1997 20 6M 0.0000 3.0300


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