OHA Drinking Water Services
OR41
PWS ID: 01050 ---- GNR WATER DISTRICT
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
9/29/2021  5 3 years 0 0.058
9/29/2021  10/5/2021 5 3 years 0.0056 0.058
9/29/2017  10/11/2017 5 3 years 0.0012 0.022
9/25/2013  -  9/26/201310/10/2013 5 3 years 0.0124 0.062
9/30/2010  10/20/2010 5 3 years 0.0085 0.049
1/1/1994  -  5/24/19946/16/1994 5 6 months 0.0075 0.180
7/1/1993  -  9/21/199311/29/1993 5 6 months 0.0005 0.035


More information for this water system: SDWIS ID 4085
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