OHA Drinking Water Services
OR41
PWS ID: 00632 ---- RIVERSIDE WATER DISTRICT
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
9/18/2023  -  9/21/202310/9/2023 5 3 years 0.0100 0.229
9/24/2020  -  9/26/202010/6/2020 5 3 years 0.0030 0.114
9/20/2016  -  9/21/201610/11/2016 5 3 years 0.0013 0.088
7/29/2013  -  7/31/20138/13/2013 5 3 years 0.0018 0.230
9/8/2010  -  9/12/201010/5/2010 5 3 years 0.0019 0.185
8/12/2006  -  8/14/20069/14/2006 5 3 years 0.0010 0.020
6/24/2003  8/13/2003 5 3 years 0.0010 0.015
1/1/1997  -  9/7/199710/21/1997 5 1 year 0 0
1/1/1996  -  12/10/19963/31/1997 5 1 year 0.0005 0.023
1/1/1995  -  9/22/199510/5/1995 5 1 year 0.0015 0
1/1/1994  -  5/24/19946/1/1994 5 6 months 0.0010 0
7/1/1993  -  11/16/19931/16/1994 5 6 months 0 0


More information for this water system: SDWIS ID 3384
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