OHA Drinking Water Services
OR41
PWS ID: 01472 ---- MILL MAR ESTATES
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
9/12/2023  -  9/20/202310/4/2023 5 3 years 0.0016 0.076
9/16/2020  -  9/27/202010/6/2020 5 3 years 0.0005 0.102
9/11/2017  -  9/15/20179/22/2017 5 3 years 0.0007 0.083
9/14/2014  -  9/17/20149/29/2014 5 3 years 0.0015 0.197
9/17/2011  -  9/20/20119/30/2011 5 3 years 0.0006 0.108
12/17/2007  1/3/2007 5 1 year 0.0005 0.092
6/15/2004  -  7/13/200410/6/2004 5 6 months 0 0.184


More information for this water system: SDWIS ID 4174
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