OHA Drinking Water Services
OR41
PWS ID: 01289 ---- COVE ORCHARD WATER ASSOCIATION
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
9/21/2022  -  9/23/20229/30/2022 5 3 years 0.0020 0.120
7/17/2019  -  8/18/20198/30/2019 5 3 years 0.0040 0.516
7/6/2016  -  7/7/20167/19/2016 5 3 years 0 0.269
8/20/2013  8/30/2013 5 3 years 0 0.219
9/26/2010  -  9/27/201011/12/2010 5 3 years 0 0.150
11/4/2005  11/21/2005 5 3 years 0.0100 0.050
1/1/1998  -  8/10/19989/2/1998 5 1 year 0.0110 0.070
1/1/1997  -  8/25/19979/5/1997 5 1 year 0.0070 0.070
1/1/1996  -  8/26/19969/12/1996 5 1 year 0.0060 0.110
1/1/1995  -  4/9/19954/25/1995 10 6 months 0.0060 0.140
7/1/1994  -  12/4/199412/14/1994 10 6 months 0.0040 0.330


More information for this water system: SDWIS ID 4708
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