OHA Drinking Water Services
PWS ID: 00172 ---- CASCADE LOCKS, 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
    Jul 04, 2023 - Jul 06, 2023 Jul 21, 2023 10 YR 0.0000 0.5200
    Aug 18, 2022 - Aug 22, 2022 Sep 06, 2022 20 6M 0.0000 0.7000
    Mar 13, 2022 - Mar 21, 2022 Apr 04, 2022 20 6M 0.0027 1.2000
    Aug 31, 2021 - Sep 02, 2021 Sep 21, 2021 20 6M 0.0037 1.0000
    Jun 24, 2021 - Jun 25, 2021 Jul 09, 2021 20 6M 0.0016 1.0000
    Dec 08, 2020 - Dec 09, 2020 Dec 23, 2020 20 6M 0.0019 1.4000
    Jan 04, 2020 - Jun 29, 2020 Jul 16, 2020 40 6M 0.0026 1.2000
    Jul 01, 2019 - Jul 02, 2019 Jul 25, 2019 14 6M 0.0050 1.4000
    Jun 28, 2019 - Jun 30, 2019 Jul 25, 2019 6 6M 0.0022 1.2000
    Aug 29, 2018 - Aug 30, 2018 Sep 14, 2018 20 6M 0.0034 1.1000
    Aug 07, 2017 - Aug 10, 2017 Aug 24, 2017 20 6M 0.0032 1.3000
    Oct 18, 2016 - Oct 24, 2016 Nov 01, 2016 20 6M 0.0056 1.4000
    May 03, 2016 - May 04, 2016 May 23, 2016 20 6M 0.0040 1.6000
    Aug 24, 2015 - Aug 25, 2015 Sep 14, 2015 10 3Y 0.0028 1.5000
    Sep 25, 2012 - Sep 25, 2012 10 3Y 0.0026 1.2000
    Sep 15, 2009 - Sep 15, 2009 Sep 29, 2009 10 3Y 0.0023 0.8800
    Jan 19, 2006 - Jan 19, 2006 Feb 02, 2006 10 3Y 0.0030 0.8200
    Oct 11, 2002 - Oct 23, 2002 Nov 07, 2002 10 3Y 0.0110 1.1000
    Jan 01, 1998 - Dec 17, 1998 Jan 08, 1999 10 YR 0.0010 1.1000
    Jan 01, 1997 - Dec 12, 1997 Jan 05, 1999 10 YR 0.0061 1.1000
    Jan 01, 1996 - Aug 29, 1996 Oct 22, 1996 10 YR 0.0036 1.1200
    Jul 01, 1995 - Dec 08, 1995 Dec 27, 1995 20 6M 0.0070 1.3000
    Jul 01, 1993 - Jul 29, 1993 Aug 27, 1993 20 6M 0.0090 1.1000


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