OHA Drinking Water Services
OR41
PWS ID: 05955 ---- UPS-HERMISTON
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
6/9/2023  -  7/25/20238/18/2023 5 3 years 0 0.100 8/21/2023
9/8/2020  9/11/2020 5 3 years 0 0.035
6/27/2017  7/6/2017 5 3 years 0 0.038
6/5/2014  6/19/2014 5 3 years 0.0027 0.138
9/12/2011  10/5/2011 5 3 years 0 0.165
9/4/2008  9/18/2008 5 1 year 0.0006 0.058
9/10/2007  11/8/2007 5 1 year 0 0.095
9/20/2006  8/28/2007 5 1 year 0.0055 0.063
9/6/2005  10/24/2005 5 6 months 0.0035 0.116
3/2/2005  4/25/2005 5 6 months 0.0060 0.135


More information for this water system: SDWIS ID 4173
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