OHA Drinking Water Services
OR41
PWS ID: 00998 ---- DEXTER OAKS CO-OP
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
8/23/2022  8/30/2022 5 3 years 0.0099 0.392
7/10/2019  7/19/2019 5 3 years 0 0
9/25/2016  9/30/2016 5 3 years 0.0049 0
6/10/2013  6/28/2013 5 3 years 0 0.045
7/19/2010  8/2/2010 5 3 years 0 0.095
8/6/2007  8/13/2007 5 3 years 0 0.070
10/3/2004  -  10/4/200411/1/2004 5 3 years 0 0
1/1/1999  -  11/14/200111/19/2001 5 3 years 0 0.012
1/1/1998  -  9/29/199810/29/1998 5 1 year 0.0012 0
1/1/1997  -  7/17/19978/18/1997 5 1 year 0.0044 0
1/1/1996  -  11/18/199612/31/1996 5 1 year 0 0.034
1/1/1995  -  5/18/19956/12/1995 5 6 months 0 0
7/1/1993  -  12/30/19936/12/1995 5 6 months 0.0054 0.030


More information for this water system: SDWIS ID 3502
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