OHA Drinking Water Services
PWS ID: 01050 ---- GNR 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 29, 2021 - Sep 29, 2021 Oct 05, 2021 5 3Y 0.0056 0.0578
    Sep 29, 2017 - Sep 29, 2017 Oct 11, 2017 5 3Y 0.0012 0.0222
    Sep 25, 2013 - Sep 26, 2013 Oct 10, 2013 5 3Y 0.0124 0.0620
    Sep 30, 2010 - Sep 30, 2010 Oct 20, 2010 5 3Y 0.0085 0.0490
    Jan 01, 1994 - May 24, 1994 Jun 16, 1994 5 6M 0.0075 0.1800
    Jul 01, 1993 - Sep 21, 1993 Nov 29, 1993 5 6M 0.0005 0.0350


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