OHA Drinking Water Services
OR41
PWS ID: 00629 ---- SLEEPY HOLLOW WATER DISTRICT
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
6/21/2023  6/27/2023 5 3 years 0.0002 0.058
8/4/2020  8/18/2020 5 3 years 0.0010 0.040
9/11/2017  9/22/2017 5 3 years 0.0053 0.085
9/10/2014  -  9/11/20149/18/2014 5 3 years 0.0010 0.023
10/8/2009  -  10/9/200910/30/2009 5 3 years 0.0013 0.130
11/13/2006  -  11/20/200612/18/2006 5 3 years 0.0020 0.155
9/20/2003  -  9/23/20037/20/2004 5 1 year 0 0.140
1/1/1998  -  9/8/19989/16/1998 5 1 year 0.0016 0.010
7/1/1996  -  7/11/19967/22/1996 5 6 months 0.0019 0.011
7/1/1993  -  12/31/199310/25/1994 5 6 months 0.0040 0


More information for this water system: SDWIS ID 4281
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