OHA Drinking Water Services
OR41
PWS ID: 00061 ---- KNAPPA WATER ASSOCIATION
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
7/15/2024  -  7/16/2024 10 3 years 0 0.042
7/15/2024  -  7/16/202410/9/2024 10 3 years 0 0.042
7/13/2021  -  7/14/2021 10 3 years 0 0.079
7/13/2021  -  7/14/20216/8/2022 10 3 years 0 0.079
6/11/2018  -  6/20/2018 10 3 years 0 0.100
6/11/2018  -  6/20/20189/4/2018 10 3 years 0 0.100
6/13/2015  -  6/16/2015 10 3 years 0 0.096
6/13/2015  -  6/16/20159/8/2015 10 3 years 0.0050 0.096
6/20/2012  10 3 years 0 0.076
6/20/2012  7/11/2012 10 3 years 0 0.076
7/24/2009  -  8/5/20099/10/2009 10 3 years 0.0030 0.120
8/22/2006  -  8/23/200610/3/2006 10 3 years 0.0020 0.100
7/15/2003  8/6/2003 10 3 years 0.0040 0.070
1/1/1999  -  6/27/20007/21/2000 10 3 years 0.0120 0.120
1/1/1997  -  7/15/19977/30/1997 10 1 year 0.0020 0.170
1/1/1996  -  6/18/19967/8/1996 10 1 year 0.0030 0.130
1/1/1995  -  6/20/19957/14/1995 10 1 year 0.0040 0.170
1/1/1994  -  1/18/19942/16/1994 20 6 months 0.0080 0.140
1/1/1993  -  6/15/19937/21/1993 20 6 months 0.0090 0.120


More information for this water system: SDWIS ID 3684
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