OHA Drinking Water Services
OR41
PWS ID: 00744 ---- KEIZER, CITY OF
Lead & Copper

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Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
7/25/2023  -  7/28/20238/18/2023 30 3 years 0 0.224
7/7/2020  -  7/10/20207/28/2020 30 3 years 0 0.077
7/4/2017  -  7/21/20178/3/2017 30 3 years 0 0.119
7/8/2014  -  7/14/20149/2/2014 30 3 years 0 0.096
7/12/2011  -  7/21/20118/5/2011 30 3 years 0 0.271
7/14/2008  -  7/18/20089/11/2008 30 3 years 0 0.750
7/26/2005  -  8/11/20059/12/2005 30 3 years 0 0.482
7/23/2002  -  7/30/20029/10/2002 30 3 years 0 0.061
7/1/1999  -  10/1/199911/23/1999 60 6 months 0 0
1/1/1999  -  6/3/19999/9/1999 60 6 months 0.0071 0.539
1/1/1996  -  8/1/199611/13/1996 30 1 year 0.0020 0.401
1/1/1995  -  7/26/19959/22/1995 30 1 year 0.0020 1.295
1/1/1994  -  7/1/19948/30/1994 30 1 year 0 0.975
1/1/1993  -  6/26/19937/26/1993 60 6 months 0 0.404
7/1/1992  -  11/15/199212/15/1992 60 6 months 0.0041 0.374


More information for this water system: SDWIS ID 3787
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