OHA Drinking Water Services
OR41
PWS ID: 00372 ---- HERMISTON, CITY OF
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
7/10/2023  -  7/14/20238/22/2023 38 3 years 0.0030 0.285
7/7/2020  -  7/10/20208/7/2020 34 3 years 0.0030 0.223
8/7/2017  -  8/17/201711/7/2017 36 3 years 0 0.102
8/4/2014  -  8/13/20149/4/2014 37 3 years 0.0020 0.260
7/19/2011  -  7/21/20118/1/2011 36 3 years 0 0.164
6/4/2008  6/23/2008 31 3 years 0.0020 0.240
6/14/2005  -  6/15/20057/5/2005 32 3 years 0.0030 0.344
1/1/2002  -  6/12/20026/26/2002 30 3 years 0.0010 0.220
1/1/1999  -  6/24/19997/13/1999 30 3 years 0.0017 0.340
1/1/1996  -  6/4/19969/2/1997 30 1 year 0.0028 0.310
1/1/1995  -  8/24/19951/18/1996 30 1 year 0 0.140
1/1/1994  -  5/12/19948/16/1995 30 1 year 0 0.250
7/1/1993  7/28/1993 60 6 months 0 0.060
1/1/1993  -  1/10/19932/10/1993 60 6 months 0.0060 0.520


More information for this water system: SDWIS ID 3731
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