OHA Drinking Water Services
OR41
PWS ID: 00187 ---- CLACKAMAS RIVER WATER
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
1/6/2022  -  1/20/20226/9/2022 63 6 months 0.0060 0.078
12/10/2021  -  12/21/20211/10/2022 63 6 months 0.0030 0.082
3/4/2021  -  3/23/20216/24/2021 60 6 months 0.0050 0.085
12/1/2020  -  12/21/20201/8/2021 61 6 months 0.0040 0.105
8/8/2018  -  8/20/201810/5/2018 51 3 years 0.0020 0.065
8/4/2015  -  8/17/20159/28/2015 39 1 year 0.0040 0.052
6/10/2014  -  6/23/20149/4/2014 46 1 year 0.0030 0.057
6/12/2013  -  7/1/20138/13/2013 45 1 year 0.0070 0.054
9/6/2012  -  10/22/201211/8/2012 62 6 months 0.0040 0
5/1/2012  -  6/7/20127/6/2012 60 6 months 0.0050 0
6/23/2011  -  7/11/20119/30/2011 31 3 years 0.0170 0.100
8/18/2008  -  8/25/200810/8/2008 31 3 years 0.0140 0.150
6/17/2005  -  7/29/200510/10/2005 33 3 years 0.0140 0.280
8/26/2002  -  10/4/200210/10/2002 32 3 years 0.0120 0.240
1/1/1999  -  6/1/199910/12/1999 30 3 years 0.0030 0.230
1/1/1996  -  6/27/199610/10/1996 30 1 year 0.0045 0.220
1/1/1995  -  7/11/199510/11/1995 30 1 year 0.0040 0.420
1/1/1994  -  6/1/199410/7/1994 30 1 year 0.0030 0.430
1/1/1993  -  5/28/19936/28/1993 60 6 months 0.0080 0.580
7/1/1992  -  10/17/199211/17/1992 60 6 months 0.0130 0.470


More information for this water system: SDWIS ID 4544
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