OHA Drinking Water Services
OR41
PWS ID: 94361 ---- GRAY & COMPANY
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
7/12/2023  7/21/2023 5 3 years 0 0.105
7/15/2020  7/27/2020 5 3 years 0.0010 0
7/19/2017  8/3/2017 5 3 years 0 0
7/8/2016  7/25/2016 5 3 years 0.0011 0
7/22/2015  8/3/2015 5 3 years 0 0
7/20/2012  8/20/2012 5 3 years 0 0.140
7/8/2009  -  7/10/20098/10/2009 9 3 years 0.0100 0.140
6/15/2007  6/12/2008 5 3 years 0.0020 0.055
1/1/2002  -  5/22/20026/10/2002 5 1 year 0 0
1/1/1995  -  5/4/199510/2/1995 5 6 months 0.0020 0.094
7/1/1994  -  9/8/19949/30/1994 5 6 months 0.0102 0


More information for this water system: SDWIS ID 2205
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