OHA Drinking Water Services
OR41
PWS ID: 00240 ---- RIVERSTONE MOBILE HOME PARK
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
4/13/2023  4/20/2023 10 6 months 0.0025 0.506
11/22/2022  12/1/2022 10 6 months 0.0037 0.466
6/16/2022  -  6/27/20227/7/2022 6 3 years 0.0251 0.067
7/27/2019  -  7/31/20198/8/2019 5 3 years 0.0147 0.164
7/6/2016  7/13/2016 5 3 years 0.0153 0.073
9/13/2013  -  9/18/201310/3/2013 5 3 years 0.0044 0.140
9/21/2010  10/12/2010 5 3 years 0.0056 0.170
8/31/2007  9/24/2007 5 3 years 0.0131 0.080
8/19/2004  9/3/2004 5 3 years 0.0029 0.085
1/1/1999  -  9/27/200110/25/2001 5 3 years 0.0113 0
1/1/1998  -  9/29/199810/26/1998 5 1 year 0.0095 0
1/1/1997  -  7/2/19978/4/1997 5 1 year 0.0106 0.060
1/1/1996  -  8/28/19969/24/1996 5 1 year 0.0059 0.042
1/1/1994  -  6/30/19945/31/1995 10 6 months 0.0144 0.080
7/1/1993  9/10/1993 10 6 months 0.0072 0.080


More information for this water system: SDWIS ID 3282
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