OHA Drinking Water Services
OR41
PWS ID: 94441 ---- TREE TOP
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 08, 2020 - Sep 08, 2020 Sep 18, 2020 5 3Y 0.0038 0.4360
    Sep 25, 2017 - Sep 25, 2017 Oct 04, 2017 5 3Y 0.0050 0.4450
    Sep 21, 2014 - Sep 21, 2014 Oct 09, 2014 5 3Y 0.0010 0.3600
    Aug 28, 2011 - Aug 28, 2011 Sep 12, 2011 5 3Y 0.0030 0.5520
    Nov 22, 2010 - Nov 22, 2010 Jan 04, 2011 5 3Y 0.0060 0.4600
    Dec 04, 2007 - Dec 04, 2007 Jan 03, 2008 5 3Y 0.0000 1.1550
    Dec 14, 2004 - Dec 14, 2004 Dec 27, 2004 5 3Y 0.0000 0.2300
    Jan 01, 1997 - Jul 08, 1997 Aug 28, 1997 5 YR 0.0000 0.1980
    Jan 01, 1996 - Aug 16, 1996 Sep 30, 1996 5 YR 0.0000 0.2130
    Jan 01, 1995 - Sep 14, 1995 Nov 09, 1995 5 YR 0.0014 0.3055
    Jan 01, 1995 - Feb 24, 1995 Nov 09, 1995 5 6M 0.0015 0.1400
    Jul 01, 1994 - Nov 16, 1994 Nov 09, 1995 5 6M 0.0010 0.1000



    More information for this water system: SDWIS ID 2236
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    Something missing? The new Chemical Results page replaces many pages, including arsenic and nitrate.

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