OHA Drinking Water Services
OR41
PWS ID: 90076 ---- NWREC/OSU
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
8/11/2023  5 3 years 0 0.268
8/11/2023  8/25/2023 5 3 years 0.0030 0.268
6/4/2020  5 3 years 0 0.320
6/4/2020  6/23/2020 5 3 years 0.0040 0.320
7/11/2017  5 3 years 0 0.145
7/11/2017  8/3/2017 5 3 years 0.0070 0.145
9/16/2014  5 3 years 0 0.226
9/16/2014  9/24/2014 5 3 years 0.0070 0.226
8/18/2011  9/9/2011 5 3 years 0.0060 0.080
9/23/2008  10/13/2008 5 3 years 0.0035 0.060
8/1/2006  8/16/2006 5 1 year 0.0045 0.095
7/26/2005  5 1 year 0.0015 0.105
1/14/2004  1/23/2004 5 1 year 0.0040 0.050
7/15/2003  7/29/2003 5 6 months 0.0030 0.400
2/12/2003  2/28/2003 5 6 months 0.0060 0.120


More information for this water system: SDWIS ID 624
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