OHA Drinking Water Services
OR41
PWS ID: 00714 ---- UMPQUA RANCH COOP
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
Service Lines
90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
8/26/2025  -  8/28/20259/10/2025 5 3 years 0.0010 0
9/24/2022  -  9/26/202210/6/2022 5 3 years 0.0010 0.026
7/9/2019  5 3 years 0 0.007
7/9/2019  8/2/2019 5 3 years 0.0040 0.007
9/22/2015  10/9/2015 5 3 years 0 0.008
9/22/2015  10/9/2015 5 3 years 0 0.008
9/14/2012  10/11/2012 5 3 years 0 0.236
9/14/2012  10/11/2012 5 3 years 0.0050 0.236
8/7/2009  8/24/2009 5 3 years 0.0010 0
10/30/2006  12/4/2006 5 3 years 0.0020 0
10/30/2003  12/3/2003 5 1 year 0.0020 0
1/1/2001  -  5/10/20015/23/2001 5 1 year 0 0.008
1/1/1994  -  6/28/19948/3/1994 10 6 months 0.0020 0
7/1/1993  -  11/29/19933/10/1994 10 6 months 0.0020 0.650


More information for this water system: SDWIS ID 3398
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