OHA Drinking Water Services
OR41
PWS ID: 00236 ---- COTTAGE GROVE, CITY OF
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
8/25/2024  -  8/28/20249/23/2024 30 3 years 0.0080 0.027
8/23/2021  -  9/2/20219/21/2021 40 3 years 0.0050 0.017
7/18/2018  -  7/24/20187/31/2018 40 3 years 0 0.023
7/18/2018  -  7/24/2018 40 3 years 0.0040 0.023
6/3/2015  -  6/11/2015 39 3 years 0 0.075
6/3/2015  -  6/11/20156/25/2015 39 3 years 0.0110 0.075
8/7/2012  -  8/15/20129/10/2012 40 3 years 0 0.061
8/7/2012  -  8/15/2012 40 3 years 0.0040 0.061
9/3/2009  -  9/7/200910/8/2009 40 3 years 0.0060 0
8/10/2006  -  8/11/20069/6/2006 40 3 years 0.0040 0.190
8/20/2003  -  8/24/20039/12/2003 48 3 years 0.0080 0.242
1/1/2000  -  6/11/20007/26/2000 20 3 years 0.0080 0.178
1/1/1996  -  8/6/19979/15/1997 20 3 years 0.0060 0.096
1/1/1996  -  8/14/199611/12/1996 20 1 year 0.0070 0.085
1/1/1995  -  8/23/199510/2/1995 20 1 year 0.0130 0.110
1/1/1994  -  8/29/199410/14/1994 20 1 year 0.0050 0.120
1/1/1993  -  3/5/19934/5/1993 40 6 months 0.0060 0
7/1/1992  -  12/8/19921/8/1993 40 6 months 0.0150 0.454


More information for this water system: SDWIS ID 4293
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