OHA Drinking Water Services
OR41
PWS ID: 01353 ---- HAPPY HOLLOW WATER COMPANY
Lead & Copper

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Detailed Results
Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
6/21/2023  -  6/22/20237/7/2023 5 3 years 0.0013 0.274
7/30/2020  -  7/31/20208/17/2020 5 3 years 0.0010 0.278
9/8/2016  -  9/9/20169/20/2016 5 3 years 0.0009 0.196
6/12/2013  -  6/13/20136/26/2013 5 3 years 0.0016 0.424
6/10/2010  7/8/2010 5 3 years 0.0024 0.624
11/8/2006  12/6/2006 5 3 years 0.0020 0.405
10/23/2003  11/4/2003 5 3 years 0.0020 0.330
1/1/2000  -  12/19/20001/4/2001 5 1 year 0.0020 0.400
1/1/1997  -  8/26/199710/21/1997 5 1 year 0 1.080
1/1/1996  -  6/17/19967/15/1996 5 1 year 0 0.305
1/1/1995  -  6/26/19957/20/1995 5 6 months 0.0053 0.507
7/1/1994  -  12/28/19941/17/1995 5 6 months 0.0013 0.642


More information for this water system: SDWIS ID 3623
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