OHA Drinking Water Services
OR41
PWS ID: 05157 ---- ROCK OF AGES REST HOME
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
8/3/2023  9/19/2023 5 3 years 0.0007 0.127
8/3/2020  8/12/2020 5 3 years 0 0.170
8/1/2017  9/6/2017 5 3 years 0.0060 0.304
9/2/2014  9/29/2014 5 3 years 0 0.089
9/9/2011  10/13/2011 5 3 years 0.0036 0.262
8/6/2008  9/15/2008 5 3 years 0.0019 0.385
7/7/2006  8/17/2006 5 1 year 0.0196 0
1/26/2006  3/23/2006 5 6 months 0.0020 0.100
1/28/2005  1/26/2006 5 6 months 0 0
6/30/2003  1/29/2004 5 6 months 0 0


More information for this water system: SDWIS ID 3001
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