OHA Drinking Water Services
OR41
PWS ID: 00520 ---- MILL CITY WATER DEPARTMENT
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
6/18/2025  -  6/25/20258/12/2025 10 3 years 0.0023 0
6/3/2022  -  6/15/20227/14/2022 10 3 years 0 0
6/7/2019  -  6/14/20197/18/2019 10 3 years 0 0
7/8/2016  -  7/15/20169/8/2016 10 3 years 0 0
7/25/2013  -  8/5/20139/20/2013 10 3 years 0.0065 0
8/10/2010  -  8/16/20109/16/2010 10 3 years 0 0
8/12/2008  -  8/26/20089/25/2008 10 3 years 0.0029 0
7/26/2007  -  8/7/200710/19/2007 10 1 year 0 0
8/1/2006  -  8/28/200611/2/2006 20 6 months 0 0.140
12/29/2005  7/7/2006 20 6 months 0.0020 0.010
8/4/2004  -  9/23/200410/5/2004 10 3 years 0 0.230
1/1/1999  -  7/6/200110/10/2001 10 3 years 0 0.360
1/1/1998  -  8/20/199810/7/1998 10 1 year 0 0.053
1/1/1997  -  7/22/19978/14/1997 10 1 year 0 0.257
1/1/1995  -  8/22/199510/18/1995 10 1 year 0.0024 0.636
1/1/1994  -  6/8/19948/1/1994 20 6 months 0.0027 0.343
7/1/1993  -  10/27/199312/14/1993 20 6 months 0.0027 0.431


More information for this water system: SDWIS ID 3970
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