OHA Drinking Water Services
OR41
PWS ID: 00261 ---- DUFUR, 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
9/13/2023  -  9/19/202310/5/2023 10 3 years 0.0010 0
6/26/2020  -  6/29/20207/10/2020 20 6 months 0.0020 0.027
8/15/2018  9/4/2018 10 3 years 0 0.030
9/16/2015  10/6/2015 10 3 years 0 0
9/12/2012  10/9/2012 10 3 years 0.0030 0.022
9/21/2009  10/19/2009 10 3 years 0 0
12/13/2006  1/19/2007 10 3 years 0 0.002
6/18/2003  8/8/2003 10 3 years 0 0
1/1/1999  -  8/1/20008/29/2000 10 3 years 0 0
1/1/1997  -  11/10/199712/22/1997 10 1 year 0 0
1/1/1996  -  8/29/199610/11/1996 10 1 year 0 0
1/1/1995  -  6/20/19957/21/1995 10 1 year 0 0
1/1/1994  -  1/19/19942/17/1994 20 6 months 0 0
7/1/1993  -  7/14/19938/25/1993 20 6 months 0.0020 0


More information for this water system: SDWIS ID 3285
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