OHA Drinking Water Services
OR41
PWS ID: 00528 ---- MILWAUKIE, 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
7/19/2022  -  9/24/202211/2/2022 31 3 years 0.0020 0 10/13/2022
9/10/2019  -  9/27/201910/10/2019 30 3 years 0 0.020 12/30/2019
7/16/2016  -  8/23/20169/30/2016 30 3 years 0 0 10/24/2016
8/20/2013  -  9/20/201310/2/2013 33 3 years 0 0
8/25/2010  -  9/30/201011/5/2010 33 3 years 0.0020 0
6/26/2007  -  9/24/200710/26/2007 30 3 years 0.0020 0.070
7/29/2004  -  9/6/200410/14/2004 33 3 years 0.0020 0.080
1/1/1999  -  7/11/20014/29/2002 30 3 years 0.0020 0.100
1/1/1998  -  6/26/19981/22/1999 30 1 year 0.0020 0.080
1/1/1997  -  10/24/199712/23/1997 30 1 year 0.0010 0.070
1/1/1995  -  9/1/19959/12/1995 30 1 year 0.0010 0.070
7/1/1993  -  12/4/19931/4/1994 60 6 months 0.0040 0.070
7/1/1992  -  12/7/19921/7/1993 60 6 months 0 0.068


More information for this water system: SDWIS ID 3757
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