OHA Drinking Water Services
PWS ID: 00174 ---- KNOLL TERRACE PARK
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
    Jul 01, 2022 - Jul 01, 2022 Jul 08, 2022 5 3Y 0.0114 0.0447
    Aug 28, 2019 - Sep 04, 2019 Sep 17, 2019 5 3Y 0.0030 0.1140
    Sep 28, 2016 - Sep 28, 2016 Oct 14, 2016 5 3Y 0.0010 0.0160
    Sep 17, 2013 - Sep 17, 2013 Sep 27, 2013 5 3Y 0.0040 0.0360
    Aug 11, 2010 - Aug 11, 2010 Aug 20, 2010 5 3Y 0.0045 0.0755
    Mar 10, 2005 - Mar 11, 2005 Mar 24, 2005 5 3Y 0.0030 0.0620
    Jan 01, 2000 - Oct 06, 2000 May 02, 2001 5 YR 0.0040 0.0770
    Jan 01, 1999 - Oct 08, 1999 May 02, 2001 5 YR 0.0046 0.0000
    Jan 01, 1998 - Dec 14, 1998 May 02, 2001 5 YR 0.0021 0.1420
    Jan 01, 1996 - Nov 08, 1996 Dec 12, 1996 5 YR 0.0057 0.0419
    Jan 01, 1994 - Jun 12, 1994 Jul 08, 1994 10 6M 0.0000 0.0000
    Jul 01, 1993 - Oct 26, 1993 Mar 09, 1994 10 6M 0.0020 0.0300


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