OHA Drinking Water Services
OR41
PWS ID: 95174 ---- COLUMBIA RIVER DAIRY
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
6/27/2024  7/22/2024 5 3 years 0 0
7/28/2021  8/16/2021 5 3 years 0 0.040
7/17/2018  7/31/2018 5 3 years 0 0
8/5/2015  8/24/2015 5 3 years 0 0
7/30/2012  8/13/2012 5 3 years 0 0.003
9/21/2009  10/6/2009 5 3 years 0 0.006
6/22/2006  12/19/2008 5 1 year 0 0.021
6/8/2005  8/8/2005 5 1 year 0.0150 1.300
6/15/2004  7/6/2004 5 1 year 0 0.025
6/16/2003  6/30/2003 5 6 months 0 0.043
7/30/2002  8/27/2002 5 6 months 0.0005 0.009


More information for this water system: SDWIS ID 4740
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