OHA Drinking Water Services
OR41
PWS ID: 01149 ---- PERRYDALE DOMESTIC WTR ASSN
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
6/1/2022  6/3/20227/14/2022 10 3 years 0.0013 0.725 7/2/2022
11/12/2019  11/14/201912/13/2019 20 6 months 0.0052 1.340
6/11/2019  7/18/2019 10 1 year 0.0020 0.677
4/9/2018  4/11/20185/8/2018 20 6 months 0.0055 0.847
10/3/2017  10/17/201711/1/2017 20 6 months 0.0099 0.252
4/17/2017  4/20/20175/25/2017 20 6 months 0.0072 1.090
7/14/2016  9/8/2016 10 3 years 0.0200 0.218 10/11/2016
8/14/2013  8/21/201310/1/2013 10 3 years 0.0066 0.338
8/19/2010  10/7/2010 10 3 years 0.0024 0.230
11/6/2007  11/7/20077/24/2008 10 3 years 0 0.120
8/26/2004  4/14/2005 10 3 years 0.0036 0.110
1/1/1999  8/28/200110/19/2001 10 3 years 0.0043 0.089
1/1/1998  9/29/19981/25/1999 10 1 year 0 0.338
1/1/1997  7/17/19979/25/1997 10 1 year 0 0.487
1/1/1996  12/5/19962/13/1997 10 1 year 0 0.256
1/1/1994  6/1/199412/5/1994 20 6 months 0.0036 0.564
7/1/1993  8/1/199312/5/1994 20 6 months 0.0034 0.243



More information for this water system: SDWIS ID 3557

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