OHA Drinking Water Services
OR41
PWS ID: 00914 ---- UMATILLA, 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
7/9/2024  7/31/20249/6/2024 20 3 years 0 0.014
8/11/2021  8/17/20219/3/2021 20 3 years 0 0.015
6/13/2018  7/9/2018 20 3 years 0 0
9/23/2015  9/24/201511/9/2015 20 3 years 0 0
9/11/2012  10/8/2012 20 3 years 0 0
9/3/2009  10/8/2009 20 3 years 0.0005 0.008
9/25/2006  9/26/200610/16/2006 20 3 years 0.0010 0.014
10/23/2003  11/4/2003 10 3 years 0 0.007
1/1/1999  7/20/20008/9/2000 20 3 years 0.0010 0.019
1/1/1997  7/24/19978/18/1997 20 1 year 0.0007 0.019
1/1/1996  7/10/19967/31/1996 20 1 year 0.0039 0.020
1/1/1995  6/21/19957/17/1995 20 1 year 0 0
1/1/1994  6/23/19947/18/1994 40 6 months 0 0
7/1/1993  8/11/19939/1/1993 40 6 months 0.0010 0



More information for this water system: SDWIS ID 3800
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