OHA Drinking Water Services
OR41
PWS ID: 01122 ---- PINE GROVE WATER DIST (WASCO)
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
8/5/2025  8/18/2025 5 3 years 0.0019 0.050
9/7/2022  9/15/2022 5 3 years 0.0004 0.033
7/2/2019  5 3 years 0 0.013
7/2/2019  8/1/2019 5 3 years 0.0001 0.013
9/23/2015  5 3 years 0 0.022
9/23/2015  10/8/2015 5 3 years 0.0006 0.022
8/5/2011  9/6/2011 5 3 years 0 0.029
10/16/2003  7/25/2006 5 3 years 0.0005 0.004
1/1/1999  -  8/4/19999/2/1999 5 3 years 0.0030 0.024
1/1/1997  -  7/9/19978/6/1997 5 1 year 0.0040 0.055
1/1/1996  -  7/17/19968/13/1996 5 1 year 0.0020 0.030
1/1/1995  -  7/26/19958/14/1995 5 1 year 0.0010 0
1/1/1994  -  5/4/19945/31/1994 10 6 months 0 0
7/1/1993  -  7/28/19938/17/1993 10 6 months 0.0010 0


More information for this water system: SDWIS ID 3548
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