OHA Drinking Water Services
PWS ID: 00357 ---- GRESHAM, CITY OF
Lead & Copper Summary Results

Lead and Copper Compliance Actions
  • 3 lead and copper compliance schedules found for this system:  View schedules


    • 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
    Oct 23, 2023 - Oct 27, 2023 Nov 16, 2023 62 6M 0.0050 0.0570
    May 15, 2023 - May 23, 2023 Jun 14, 2023 63 6M 0.0060 0.0560
    Nov 14, 2022 - Nov 22, 2022 Dec 19, 2022 63 6M 0.0140 0.1530
    Apr 04, 2022 - Apr 12, 2022 May 17, 2022 63 6M 0.0090 0.1560 05/17/2022
    Nov 11, 2021 - Nov 17, 2021 Dec 15, 2021 62 6M 0.0130 0.2550 12/15/2021
    May 10, 2021 - May 20, 2021 Jun 16, 2021 63 6M 0.0110 0.1970 06/14/2021
    Oct 30, 2020 - Nov 10, 2020 Nov 30, 2020 63 6M 0.0110 0.1950 11/30/2020
    May 11, 2020 - May 19, 2020 Jun 03, 2020 65 6M 0.0120 0.2000 05/29/2020
    Nov 04, 2019 - Nov 14, 2019 Nov 26, 2019 64 6M 0.0110 0.2190 11/26/2019
    May 06, 2019 - May 14, 2019 Jun 10, 2019 64 6M 0.0170 0.2400 06/06/2019
    Nov 05, 2018 - Nov 19, 2018 Dec 27, 2018 64 6M 0.0100 0.1560 12/26/2018
    Apr 30, 2018 - May 10, 2018 Jun 01, 2018 65 6M 0.0160 0.1840 06/01/2018
    Nov 02, 2017 - Nov 17, 2017 Dec 21, 2017 70 6M 0.0160 0.2600 12/18/2017
    Apr 11, 2017 - Apr 25, 2017 Jun 13, 2017 112 6M 0.0145 0.1900 05/24/2017
    Oct 15, 2016 - Oct 26, 2016 Nov 18, 2016 112 6M 0.0174 0.3100 11/08/2016
    Mar 15, 2016 - Apr 27, 2016 Jun 10, 2016 114 6M 0.0130 0.2880 06/06/2016
    Oct 26, 2015 - Nov 12, 2015 Jan 08, 2016 114 6M 0.0141 0.3360
    Apr 28, 2015 - May 12, 2015 Jul 10, 2015 112 6M 0.0141 0.3260
    Sep 30, 2014 - Oct 15, 2014 Dec 10, 2014 114 6M 0.0142 0.3350
    Jan 07, 2014 - May 27, 2014 Jul 10, 2014 111 6M 0.0128 0.2930
    Nov 09, 2013 - Nov 18, 2013 Jan 10, 2014 108 6M 0.0159 0.5000
    May 08, 2013 - May 21, 2013 Jul 10, 2013 111 6M 0.0100 0.2700
    Oct 10, 2012 - Oct 23, 2012 Jan 09, 2013 112 6M 0.0120 0.3400
    May 09, 2012 - May 23, 2012 Jul 10, 2012 112 6M 0.0110 0.2700
    Oct 11, 2011 - Oct 24, 2011 Dec 08, 2011 111 6M 0.0120 0.2900
    Apr 27, 2011 - May 17, 2011 Jul 07, 2011 114 6M 0.0090 0.2700
    Oct 14, 2010 - Oct 22, 2010 Jan 07, 2011 112 6M 0.0120 0.3400
    Apr 02, 2010 - May 10, 2010 Jul 08, 2010 110 6M 0.0100 0.3300
    Oct 14, 2009 - Oct 26, 2009 Jan 08, 2010 115 6M 0.0090 0.3700
    May 08, 2009 - May 21, 2009 Jul 09, 2009 113 6M 0.0100 0.2700
    Jul 01, 2008 - Dec 31, 2008 Jan 09, 2009 116 6M 0.0100 0.3300
    Nov 17, 2007 - Dec 07, 2007 Jan 10, 2008 111 6M 0.0110 0.2800
    May 17, 2007 - Jun 01, 2007 Jul 10, 2007 116 6M 0.0130 0.2800
    Oct 19, 2006 - Nov 02, 2006 Jan 10, 2007 116 6M 0.0170 0.5000
    May 22, 2006 - May 26, 2006 Jul 10, 2006 117 6M 0.0090 0.3100
    Oct 17, 2005 - Oct 31, 2005 Dec 09, 2005 115 6M 0.0120 0.3500
    May 18, 2005 - Jun 01, 2005 Jul 08, 2005 119 6M 0.0150 0.3900
    Oct 19, 2004 - Nov 22, 2004 Dec 30, 2004 111 6M 0.0150 0.0420
    May 02, 2004 - Jun 25, 2004 Jul 09, 2004 123 6M 0.0080 0.3600
    Oct 21, 2003 - Nov 04, 2003 Dec 10, 2003 110 6M 0.0080 0.3300
    May 10, 2003 - Jun 30, 2003 Jul 11, 2003 113 6M 0.0104 0.3450
    Oct 23, 2002 - Nov 03, 2002 Jan 10, 2003 147 6M 0.0170 0.5000
    May 06, 2002 - May 21, 2002 Jul 10, 2002 133 6M 0.0130 0.4200
    Nov 09, 2001 - Nov 22, 2001 Jan 08, 2002 134 6M 0.0200 0.8100
    May 10, 2001 - May 22, 2001 Jul 09, 2001 144 6M 0.0170 0.6200
    Sep 14, 2000 - Sep 22, 2000 Jan 10, 2001 124 6M 0.0220 0.7100
    Apr 07, 2000 - May 22, 2000 Jul 10, 2000 125 6M 0.0150 0.6600
    Oct 19, 1999 - Nov 01, 1999 Jan 13, 2000 126 6M 0.0120 0.6000
    May 12, 1999 - Jun 06, 1999 Jul 08, 1999 126 6M 0.0210 0.6400
    Nov 05, 1998 - Nov 17, 1998 Jan 13, 1999 127 6M 0.0190 0.6600
    May 07, 1998 - May 29, 1998 Jul 09, 1999 129 6M 0.0150 0.6700
    Nov 09, 1997 - Nov 21, 1997 Jan 09, 1998 129 6M 0.0130 0.6800
    May 24, 1997 - Jun 05, 1997 Jul 16, 1997 130 6M 0.0120 0.6500
    Jul 01, 1992 - Dec 11, 1992 Jan 11, 2001 60 6M 0.0410 1.4000


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