OHA Drinking Water Services
OR41
PWS ID: 00248 ---- DALLAS, 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
    Aug 13, 2021 - Aug 17, 2021 Sep 16, 2021 32 3Y 0.0107 0.2010 10/18/2022
    Aug 13, 2018 - Sep 05, 2018 Sep 24, 2018 31 3Y 0.0010 0.1330 09/21/2018
    Aug 18, 2015 - Sep 01, 2015 Oct 15, 2015 51 YR 0.0070 0.1340
    Aug 12, 2014 - Aug 18, 2014 Sep 05, 2014 51 YR 0.0030 0.1350
    Aug 21, 2013 - Aug 24, 2013 Sep 26, 2013 54 YR 0.0050 0.1280
    Aug 05, 2012 - Aug 22, 2012 Sep 24, 2012 61 6M 0.0060 0.1340
    Nov 28, 2011 - Dec 07, 2011 Jan 04, 2012 60 6M 0.0050 0.1630
    Feb 11, 2011 - Mar 09, 2011 Mar 23, 2011 62 6M 0.0160 0.1260
    Aug 24, 2010 - Aug 28, 2010 Oct 05, 2010 60 6M 0.0100 0.1380
    Aug 13, 2008 - Aug 15, 2008 Oct 01, 2008 30 3Y 0.0570 0.2100
    Aug 10, 2005 - Aug 11, 2005 Oct 06, 2005 32 3Y 0.0020 0.3700
    Sep 09, 2002 - Sep 11, 2002 Oct 10, 2002 30 3Y 0.0020 0.5090
    Jan 01, 1999 - Aug 11, 1999 Nov 12, 1999 30 3Y 0.0000 0.0900
    Jan 01, 1996 - Sep 26, 1996 Nov 20, 1996 30 YR 0.0000 0.1280
    Jan 01, 1995 - Aug 21, 1995 Sep 25, 1995 30 YR 0.0000 0.0980
    Jan 01, 1994 - Aug 08, 1994 Sep 28, 1994 30 YR 0.0000 0.1370
    Jan 01, 1993 - Jun 28, 1993 Jul 28, 1993 60 6M 0.0000 0.0540
    Jul 01, 1992 - Dec 08, 1992 Jan 08, 1993 60 6M 0.0000 0.1120



    More information for this water system: SDWIS ID 3885
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