OHA Drinking Water Services
OR41
PWS ID: 94971 ---- OREGON YOUTH CHALLENGE PROGRAM
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
7/6/2023  7/20/2023 5 3 years 0.0058 0.090 7/28/2023
8/11/2020  8/21/2020 5 3 years 0.0044 0.089
9/5/2017  9/18/2017 5 3 years 0.0060 0.051
6/24/2014  -  9/2/201410/10/2014 5 3 years 0 0.021
9/14/2011  -  9/30/201110/18/2011 5 3 years 0 0
7/16/2008  -  8/12/20081/9/2009 6 3 years 0 0
6/10/2005  7/7/2005 5 3 years 0.0009 0.008
6/11/2004  7/20/2004 5 1 year 0.0030 0.119
4/2/2003  4/22/2003 5 1 year 0 0.009
11/1/2002  11/22/2002 5 1 year 0.0030 0.010
7/1/1997  -  10/29/199711/13/1997 10 6 months 0.0030 0.018
7/1/1996  -  10/6/199610/23/1997 10 6 months 0.0019 0.039


More information for this water system: SDWIS ID 4176
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