OHA Drinking Water Services
OR41
PWS ID: 05372 ---- ROWENA DELL WATER SYSTEM
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
7/9/2024  -  7/15/20247/23/2024 5 3 years 0 0
7/12/2021  -  7/14/20217/23/2021 5 3 years 0 0
8/29/2018  -  8/30/20189/5/2018 5 3 years 0 0
9/22/2015  -  9/23/201510/1/2015 5 3 years 0.0030 0.036
8/1/2012  -  8/8/20128/29/2012 5 1 year 0.0064 0
7/23/2011  -  7/27/20118/24/2011 5 1 year 0.0073 0.060
6/21/2010  -  6/23/20107/7/2010 5 6 months 0 0.060
12/27/2009  -  12/29/20091/8/2010 5 6 months 0 0
7/1/1996  -  7/30/199612/20/1996 5 6 months 0.0049 0.202
1/1/1994  -  5/25/19947/28/1994 5 6 months 0.0040 0.060


More information for this water system: SDWIS ID 329
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