OHA Drinking Water Services
OR41
PWS ID: 00006 ---- GRIM ESTATES
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
6/15/2024  7/10/2024 5 3 years 0 0.144
6/28/2020  -  6/29/20207/10/2020 5 3 years 0.0030 0.081
9/25/2017  10/2/2017 5 3 years 0.0030 0.129
9/25/2013  -  9/26/201310/25/2013 5 1 year 0.0040 0.319
8/29/2012  9/11/2012 5 1 year 0.0100 0.222
8/7/2011  -  8/9/20118/29/2011 5 1 year 0 0.069
1/1/1994  -  6/26/19949/27/1994 5 6 months 0.0016 0.071
7/1/1993  -  12/31/19932/1/1994 5 6 months 0.0018 0.083


More information for this water system: SDWIS ID 7
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