OHA Drinking Water Services
OR41
PWS ID: 90530 ---- MOLALLA RIVER SD - CLARKES ELEM
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
8/19/2024  5 3 years 0 0.044
8/19/2024  8/26/2024 5 3 years 0.0008 0.044
7/26/2021  5 3 years 0 0
7/26/2021  8/9/2021 5 3 years 0.0030 0
6/16/2017  5 3 years 0 0
6/16/2017  6/26/2017 5 3 years 0 0
9/16/2014  5 3 years 0 0
9/16/2014  9/24/2014 5 3 years 0.0020 0
6/7/2011  8/24/2011 5 3 years 0 0
6/3/2008  -  6/23/20087/29/2008 5 3 years 0 0
8/1/2005  8/8/2005 5 3 years 0.0015 0.045
6/27/2002  7/11/2002 5 3 years 0 0.110
1/1/1999  -  6/8/19996/24/1999 5 1 year 0.0010 0.060
1/1/1998  -  6/6/19986/22/1998 5 1 year 0 0.030
1/1/1997  -  6/5/19976/19/1997 5 1 year 0 0.030
7/1/1996  -  8/31/19969/16/1996 10 6 months 0.0030 0.100
7/1/1994  -  12/1/19943/27/1995 10 6 months 0.0040 0.195


More information for this water system: SDWIS ID 692
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