OHA Drinking Water Services
OR41
PWS ID: 00954 ---- WILSONVILLE, 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
7/17/2024  -  7/30/20248/21/2024 31 3 years 0.0076 0.067 8/21/2024
8/18/2021  -  8/24/20219/24/2021 32 3 years 0 0.077 10/4/2021
9/12/2018  -  9/14/201810/5/2018 33 3 years 0 0.067 10/29/2018
8/11/2015  -  8/13/201512/4/2015 33 3 years 0.0010 0.035
7/25/2012  -  8/2/201212/27/2012 34 3 years 0 0.070
8/13/2009  -  9/9/200912/23/2009 34 3 years 0.0070 0.070
7/17/2006  -  7/21/200611/9/2006 30 3 years 0.0030 0.100
7/24/2003  -  9/11/200310/7/2003 34 1 year 0.0020 0.070
7/12/2002  -  7/30/200210/9/2002 34 1 year 0.0010 0.070
1/1/2000  -  7/19/200011/1/2000 30 3 years 0.0020 0.200
1/1/1996  -  9/12/199711/28/1997 30 3 years 0.0030 0.200
1/1/1996  -  8/14/199610/10/1996 30 1 year 0.0010 0.130
1/1/1995  -  6/14/19958/24/1995 30 1 year 0.0010 0.240
1/1/1994  -  7/12/19944/5/1995 30 1 year 0.0020 0.090
1/1/1993  -  6/29/19937/30/1993 60 6 months 0 0.245
7/1/1992  -  11/10/199212/10/1992 60 6 months 0.0153 0.159


More information for this water system: SDWIS ID 4377
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