OHA Drinking Water Services
OR41
PWS ID: 00020 ---- REDWOOD WATER SERVICE INC
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
9/19/2022  10/11/2022 5 3 years 0.0110 0
9/23/2019  10/4/2019 5 3 years 0.0041 0
9/7/2016  10/3/2016 5 3 years 0.0128 0
9/23/2013  10/11/2013 5 3 years 0.0023 0
8/24/2010  9/16/2010 5 3 years 0.0053 0
9/21/2006  11/10/2006 5 3 years 0.0032 0
9/25/2002  1/29/2003 5 3 years 0.0038 0
1/1/1999  -  9/28/199912/21/1999 5 1 year 0.0016 0.112
1/1/1997  -  10/6/199711/20/1997 5 1 year 0.0082 0.385
1/1/1996  -  9/30/199610/25/1996 5 1 year 0 0
1/1/1995  -  5/10/19956/10/1995 10 6 months 0 0.042
1/1/1994  -  4/25/19946/9/1994 10 6 months 0 0


More information for this water system: SDWIS ID 3214
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