OHA Drinking Water Services
OR41
PWS ID: 00958 ---- YONCALLA, CITY OF
Lead & Copper

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Detailed Results
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
6/20/2023  10 3 years 0 0.087
6/20/2023  6/28/2023 10 3 years 0.0030 0.087
7/21/2020  -  7/22/2020 10 3 years 0 0.045
7/21/2020  -  7/22/20208/3/2020 10 3 years 0.0050 0.045
7/12/2017  -  7/13/2017 10 3 years 0 0.028
7/12/2017  -  7/13/20177/20/2017 10 3 years 0 0.028
9/4/2014  10 3 years 0 0.088
9/4/2014  10/9/2014 10 3 years 0.0020 0.088
9/15/2011  -  9/16/20119/30/2011 10 3 years 0 0.048
9/27/2008  -  9/28/200811/18/2008 10 3 years 0.0063 0.033
9/22/2005  -  9/23/200511/7/2005 10 3 years 0.0085 0.044
1/1/1998  -  10/14/19984/20/1999 10 1 year 0.0022 0.120
1/1/1997  -  8/27/19971/8/1998 10 1 year 0.0100 0.120
1/1/1996  -  8/15/199612/18/1996 10 1 year 0.0028 0.065
7/1/1995  -  7/28/199510/10/1995 20 6 months 0.0090 0.159
7/1/1994  -  7/7/19947/31/1996 20 6 months 0.0046 0.052
1/1/1994  -  2/16/19945/24/1994 20 6 months 0.0190 0.084


More information for this water system: SDWIS ID 4130
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