OHA Drinking Water Services
OR41
PWS ID: 00357 ---- GRESHAM, CITY OF
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
11/13/2024  -  11/25/202412/17/2024 62 6 months 0.0042 0.068 11/17/2024
5/6/2024  -  5/14/20246/20/2024 62 6 months 0.0032 0.105
10/23/2023  -  10/27/202311/16/2023 62 6 months 0.0050 0.057 11/16/2023
5/15/2023  -  5/23/20236/14/2023 63 6 months 0.0060 0.056
11/14/2022  -  11/22/202212/19/2022 63 6 months 0.0140 0.153
4/4/2022  -  4/12/20225/17/2022 63 6 months 0.0090 0.156 5/17/2022
11/11/2021  -  11/17/202112/15/2021 62 6 months 0.0130 0.255 12/15/2021
5/10/2021  -  5/20/20216/16/2021 63 6 months 0.0110 0.197 6/14/2021
10/30/2020  -  11/10/202011/30/2020 63 6 months 0.0110 0.195 11/30/2020
5/11/2020  -  5/19/20206/3/2020 65 6 months 0.0120 0.200 5/29/2020
11/4/2019  -  11/14/201911/26/2019 64 6 months 0.0110 0.219 11/26/2019
5/6/2019  -  5/14/20196/10/2019 64 6 months 0.0170 0.240 6/6/2019
11/5/2018  -  11/19/201812/27/2018 64 6 months 0.0100 0.156 12/26/2018
4/30/2018  -  5/10/20186/1/2018 65 6 months 0.0160 0.184 6/1/2018
11/2/2017  -  11/17/201712/21/2017 70 6 months 0.0160 0.260 12/18/2017
4/11/2017  -  4/25/20176/13/2017 112 6 months 0.0145 0.190 5/24/2017
10/15/2016  -  10/26/201611/18/2016 112 6 months 0.0174 0.310 11/8/2016
3/15/2016  -  4/27/20166/10/2016 114 6 months 0.0130 0.288 6/6/2016
10/26/2015  -  11/12/20151/8/2016 114 6 months 0.0141 0.336
4/28/2015  -  5/12/20157/10/2015 112 6 months 0.0141 0.326
9/30/2014  -  10/15/201412/10/2014 114 6 months 0.0142 0.335
1/7/2014  -  5/27/20147/10/2014 111 6 months 0.0128 0.293
11/9/2013  -  11/18/20131/10/2014 108 6 months 0.0159 0.500
5/8/2013  -  5/21/20137/10/2013 111 6 months 0.0100 0.270
10/10/2012  -  10/23/20121/9/2013 112 6 months 0.0120 0.340
5/9/2012  -  5/23/20127/10/2012 112 6 months 0.0110 0.270
10/11/2011  -  10/24/201112/8/2011 111 6 months 0.0120 0.290
4/27/2011  -  5/17/20117/7/2011 114 6 months 0.0090 0.270
10/14/2010  -  10/22/20101/7/2011 112 6 months 0.0120 0.340
4/2/2010  -  5/10/20107/8/2010 110 6 months 0.0100 0.330
10/14/2009  -  10/26/20091/8/2010 115 6 months 0.0090 0.370
5/8/2009  -  5/21/20097/9/2009 113 6 months 0.0100 0.270
7/1/2008  -  12/31/20081/9/2009 116 6 months 0.0100 0.330
11/17/2007  -  12/7/20071/10/2008 111 6 months 0.0110 0.280
5/17/2007  -  6/1/20077/10/2007 116 6 months 0.0130 0.280
10/19/2006  -  11/2/20061/10/2007 116 6 months 0.0170 0.500
5/22/2006  -  5/26/20067/10/2006 117 6 months 0.0090 0.310
10/17/2005  -  10/31/200512/9/2005 115 6 months 0.0120 0.350
5/18/2005  -  6/1/20057/8/2005 119 6 months 0.0150 0.390
10/19/2004  -  11/22/200412/30/2004 111 6 months 0.0150 0.042
5/2/2004  -  6/25/20047/9/2004 123 6 months 0.0080 0.360
10/21/2003  -  11/4/200312/10/2003 110 6 months 0.0080 0.330
5/10/2003  -  6/30/20037/11/2003 113 6 months 0.0104 0.345
10/23/2002  -  11/3/20021/10/2003 147 6 months 0.0170 0.500
5/6/2002  -  5/21/20027/10/2002 133 6 months 0.0130 0.420
11/9/2001  -  11/22/20011/8/2002 134 6 months 0.0200 0.810
5/10/2001  -  5/22/20017/9/2001 144 6 months 0.0170 0.620
9/14/2000  -  9/22/20001/10/2001 124 6 months 0.0220 0.710
4/7/2000  -  5/22/20007/10/2000 125 6 months 0.0150 0.660
10/19/1999  -  11/1/19991/13/2000 126 6 months 0.0120 0.600
5/12/1999  -  6/6/19997/8/1999 126 6 months 0.0210 0.640
11/5/1998  -  11/17/19981/13/1999 127 6 months 0.0190 0.660
5/7/1998  -  5/29/19987/9/1999 129 6 months 0.0150 0.670
11/9/1997  -  11/21/19971/9/1998 129 6 months 0.0130 0.680
5/24/1997  -  6/5/19977/16/1997 130 6 months 0.0120 0.650
7/1/1992  -  12/11/19921/11/2001 60 6 months 0.0410 1.400


More information for this water system: SDWIS ID 4040
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