OHA Drinking Water Services
OR41
PWS ID: 01288 ---- EAST YAMHILL RURAL WD
Lead & Copper

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Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/2/2025  9/18/2025 5 3 years 0 0.049
9/19/2022  -  9/20/20229/30/2022 5 3 years 0 0.027
9/22/2019  10/2/2019 5 3 years 0 0
9/27/2016  -  9/28/201610/6/2016 5 3 years 0 0
9/24/2013  10/2/2013 5 3 years 0 0
9/26/2010  -  9/28/201010/27/2010 5 3 years 0 0
8/27/2006  -  8/30/20069/27/2006 5 3 years 0 0.055
1/1/2000  -  9/16/20008/30/2001 5 1 year 0.0020 0.230
1/1/1999  -  10/6/199910/18/1999 5 1 year 0.0010 0.140
1/1/1998  -  9/18/199810/7/1998 5 1 year 0.0020 0.280
1/1/1995  -  5/15/19956/12/1995 5 6 months 0.0040 0.520
7/1/1994  -  11/13/199412/9/1994 5 6 months 0.0075 0.775


More information for this water system: SDWIS ID 4707
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