OHA Drinking Water Services
OR41
PWS ID: 00399 ---- INDEPENDENCE WATER SYSTEM
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
6/28/2023  -  9/6/202310/3/2023 31 3 years 0.0030 1.310
8/11/2020  -  8/13/2020 24 3 years 0.0018 1.272
8/11/2020  -  8/13/20208/31/2020 24 3 years 0.0018 1.272
9/6/2017  20 3 years 0.0055 1.240
9/6/2017  9/28/2017 20 3 years 0.0055 1.240
7/21/2014  -  7/24/20148/11/2014 22 3 years 0.0033 1.200
7/21/2014  -  7/24/2014 22 3 years 0.0033 1.200
7/27/2011  -  5/16/20128/26/2011 20 3 years 0 1.300
7/27/2011  -  7/28/20118/26/2011 18 3 years 0 1.300
7/17/2008  9/15/2008 23 3 years 0 1.100
7/21/2005  8/23/2005 20 3 years 0.0058 1.000
7/9/2002  9/5/2002 20 3 years 0 0.071
1/1/1999  -  7/20/19999/28/1999 20 3 years 0 0.849
1/1/1996  -  6/13/19967/16/1996 20 1 year 0 1.061
1/1/1995  -  5/17/19956/28/1995 20 1 year 0 0.663
1/1/1994  -  8/3/19948/19/1994 20 1 year 0.0054 1.233
1/1/1994  -  4/6/19945/6/1994 40 6 months 0.0031 0.770
1/1/1993  -  5/9/19936/9/1993 40 6 months 0 0.961


More information for this water system: SDWIS ID 4116
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Corrosion Control has moved to the Lead & Copper page.
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