OHA Drinking Water Services
OR41
PWS ID: 00726 ---- WARREN WATER ASSOCIATION
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
11/16/2021  11/17/202112/3/2021 22 6 months 0.0040 0.398
5/12/2021  5/13/20215/28/2021 22 6 months 0 0.279
6/18/2019  6/27/2019 11 3 years 0 0.383
6/7/2016  6/8/20166/20/2016 12 3 years 0 0.340
6/21/2013  6/25/20137/15/2013 11 3 years 0.0030 0.323
6/8/2010  6/23/2010 13 3 years 0.0030 0.410
6/27/2007  7/19/2007 10 3 years 0.0040 0.380
4/21/2004  5/4/2004 13 3 years 0.0020 0.410
1/1/2001  4/17/20015/8/2001 10 1 year 0.0030 0.360
1/1/2000  4/21/20008/19/2000 10 1 year 0.0010 0.490
1/1/1999  1/15/19993/31/1999 10 1 year 0.0030 1.160
1/1/1998  6/23/19987/2/1998 10 1 year 0.0020 0.860
1/1/1996  10/10/199612/27/1996 10 1 year 0.0030 1.600
1/1/1994  5/26/19947/14/1994 20 6 months 0.0040 0.430
7/1/1993  7/7/199311/22/1993 20 6 months 0.0060 0.620



More information for this water system: SDWIS ID 4305
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