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OR41
PWS ID: 00410 ---- JOHN DAY, 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
6/2/2021  -  9/7/2022 20 3 years 0 0.133
9/6/2022  -  9/7/20229/26/2022 11 3 years 0.0014 0.139
6/2/2021  6/16/2021 9 3 years 0.0019 0.111
6/20/2018  -  7/5/2018 10 3 years 0 0.170
6/20/2018  -  7/5/20187/23/2018 10 3 years 0.0017 0.170
6/3/2015  10 3 years 0 0.266
6/3/2015  6/11/2015 10 3 years 0.0010 0.266
8/1/2012  8/9/2012 10 3 years 0.0012 0.266
6/2/2009  7/7/2009 10 3 years 0.0010 0.199
6/7/2006  6/30/2006 10 3 years 0.0010 0.120
12/23/2003  -  12/24/20032/4/2004 10 3 years 0.0010 0.410
1/1/1999  -  11/7/200011/30/2000 10 3 years 0.0010 0.170
1/1/1997  -  7/9/19971/27/1998 10 1 year 0 0.220
1/1/1996  -  7/24/19968/17/1996 10 1 year 0.0023 0.217
1/1/1995  -  8/14/19959/18/1995 10 1 year 0.0026 0.220
1/1/1994  -  6/15/19947/13/1994 20 6 months 0.0020 0.404
7/1/1993  -  10/4/199312/6/1993 20 6 months 0.0051 0.381


More information for this water system: SDWIS ID 3741
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