OHA Drinking Water Services
OR41
PWS ID: 91947 ---- PLEASANT VALLEY ELEMENTARY
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
7/2/2025  -  7/3/20257/10/2025 10 3 years 0.0011 0.086
8/28/2022  10 3 years 0 0.082
8/28/2022  9/19/2022 10 3 years 0.0056 0.082
9/29/2018  10 3 years 0 0.079
9/29/2018  10/10/2018 10 3 years 0.0032 0.079
9/4/2014  10 3 years 0 0.010
9/4/2014  9/18/2014 10 3 years 0.0011 0.010
8/22/2011  9/6/2011 10 3 years 0.0074 0.012
5/19/2008  5/29/2009 10 3 years 0 0.010
1/1/1999  -  12/15/19991/7/2000 10 1 year 0.0010 0
1/1/1998  -  7/6/199811/30/1998 10 1 year 0.0013 0.008
1/1/1995  -  5/5/19955/17/1995 20 6 months 0.0030 0.280
7/1/1994  -  12/21/19941/6/1995 20 6 months 0.0030 0.100


More information for this water system: SDWIS ID 1107
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