OHA Drinking Water Services
OR41
PWS ID: 00953 ---- WILLAMINA, CITY OF
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
8/16/2022  -  8/18/20229/27/2022 10 3 years 0.0026 0 10/3/2022
7/31/2019  8/19/2019 10 3 years 0.0025 0 8/29/2019
9/7/2016  10/14/2016 10 3 years 0.0037 0 10/17/2016
9/3/2013  -  9/4/201310/1/2013 10 3 years 0 0
9/2/2010  10/7/2010 10 3 years 0 0
7/3/2007  -  8/9/200710/19/2007 11 3 years 0.0090 0
1/1/1999  -  7/27/199910/29/1999 10 1 year 0 0.270
1/1/1997  -  7/30/199711/7/1997 10 1 year 0 0.135
1/1/1994  -  6/15/19944/23/1995 20 6 months 0 0.277
7/1/1993  -  11/9/19931/14/1994 20 6 months 0.0014 0.338


More information for this water system: SDWIS ID 4690
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