OHA Drinking Water Services
OR41
PWS ID: 90178 ---- COE MCNARY DAM
Lead & Copper

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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
8/9/2023  9/5/2023 5 3 years 0 0.041
8/12/2020  8/25/2020 5 3 years 0.0060 0.793
8/14/2017  9/13/2017 5 3 years 0.0070 0.057
8/14/2014  9/9/2014 5 3 years 0.0070 0
8/24/2011  9/7/2011 5 3 years 0 0.042
6/4/2008  10/8/2008 5 3 years 0 0
11/25/2003  2/22/2005 5 1 year 0 0.017
1/1/2001  -  7/3/20017/11/2001 5 1 year 0 0
1/1/1994  -  12/19/19946/20/1995 5 1 year 0 0
1/1/1994  -  2/23/19944/28/1994 5 6 months 0.0090 0.090
7/1/1993  -  7/12/19938/9/1993 5 6 months 0.0040 0.025


More information for this water system: SDWIS ID 2917
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