OHA Drinking Water Services
OR41
PWS ID: 00930 ---- WALLOWA, CITY OF
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
8/17/2023  8/22/20238/31/2023 10 3 years 0.0007 0.080
9/1/2020  9/22/202010/1/2020 10 3 years 0.0013 0.067
6/22/2017  8/7/20179/1/2017 10 3 years 0 0.067
7/7/2014  8/12/20149/5/2014 11 3 years 0.0015 0.068
8/16/2011  8/18/20119/6/2011 10 3 years 0 0.074
12/19/2008  12/22/20082/2/2009 10 3 years 0 0.076
12/23/2005  12/30/20051/10/2007 10 3 years 0 0.063
12/16/2003  12/20/20033/6/2007 10 1 year 0 0.065
11/13/2002  11/15/20023/6/2007 10 1 year 0.0380 0.097
1/1/2000  9/16/200010/23/2000 10 1 year 0.0040 0.110
1/1/1994  6/28/19945/1/1995 20 6 months 0.0010 0.110
7/1/1993  12/11/199310/3/1994 20 6 months 0.0020 0.090



More information for this water system: SDWIS ID 3803
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