OHA Drinking Water Services
OR41
PWS ID: 00174 ---- KNOLL TERRACE PARK
Lead & Copper

More Information
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
7/1/2022  7/8/2022 5 3 years 0.0114 0.045
8/28/2019  9/4/20199/17/2019 5 3 years 0.0030 0.114
9/28/2016  10/14/2016 5 3 years 0.0010 0.016
9/17/2013  9/27/2013 5 3 years 0.0040 0.036
8/11/2010  8/20/2010 5 3 years 0.0045 0.075
3/10/2005  3/11/20053/24/2005 5 3 years 0.0030 0.062
1/1/2000  10/6/20005/2/2001 5 1 year 0.0040 0.077
1/1/1999  10/8/19995/2/2001 5 1 year 0.0046 0
1/1/1998  12/14/19985/2/2001 5 1 year 0.0021 0.142
1/1/1996  11/8/199612/12/1996 5 1 year 0.0057 0.042
1/1/1994  6/12/19947/8/1994 10 6 months 0 0
7/1/1993  10/26/19933/9/1994 10 6 months 0.0020 0.030



More information for this water system: SDWIS ID 3262

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