OHA Drinking Water Services
OR41
PWS ID: 00705 ---- SOUTH UMPQUA WATER ASSOCIATION
Lead & Copper

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Summary Results
Detailed Results
Corrosion Control
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90th Percentile Summary Results

Sample Dates Date
Received		 Sample
Count		 Frequency Lead
(mg/L)		 Copper
(mg/L)		 Consumer
Notice Date
9/19/2023  -  9/21/202310/5/2023 10 3 years 0.0020 0.100
8/26/2020  -  8/27/20209/14/2020 10 3 years 0.0040 0.135
9/24/2017  -  9/25/201710/2/2017 10 3 years 0.0020 0.080
9/23/2014  10/16/2014 10 3 years 0.0070 0.140
8/24/2011  9/8/2011 10 3 years 0 0.266
9/24/2008  10/20/2008 10 3 years 0.0040 0.160
5/17/2006  6/1/2006 10 6 months 0.0040 0
8/4/2005  11/2/2005 20 6 months 0.0080 0.074
6/20/2003  7/7/2003 4 3 years 0.0160 0.454
1/1/1996  -  6/3/19988/13/1998 10 3 years 0.0020 0.196
1/1/1997  -  6/24/19977/16/1997 10 1 year 0.0070 0.522
1/1/1996  -  6/27/19968/14/1996 10 1 year 0.0030 0.150
1/1/1995  -  6/28/19958/14/1995 10 1 year 0.0055 0.605
1/1/1994  -  6/29/19947/28/1994 20 6 months 0 0.630
7/1/1993  -  12/17/19932/14/1994 20 6 months 0.0060 0.945


More information for this water system: SDWIS ID 4067
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