OHA Drinking Water Services
OR41
PWS ID: 00172 ---- CASCADE LOCKS, CITY OF
Lead & Copper

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Detailed Results
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Service Lines
90th Percentile Summary Results

Sample Dates Date
Received
Sample
Count
Frequency Lead
(mg/L)
Copper
(mg/L)
Consumer
Notice Date
7/9/2024  7/24/2024 10 1 year 0 0.530
7/4/2023  7/6/20237/21/2023 10 1 year 0 0.520
8/18/2022  8/22/20229/6/2022 20 6 months 0 0.700
3/13/2022  3/21/20224/4/2022 20 6 months 0.0027 1.200
8/31/2021  9/2/20219/21/2021 20 6 months 0.0037 1.000
6/24/2021  6/25/20217/9/2021 20 6 months 0.0016 1.000
12/8/2020  12/9/202012/23/2020 20 6 months 0.0019 1.400
1/4/2020  6/29/20207/16/2020 40 6 months 0.0026 1.200
7/1/2019  7/2/20197/25/2019 14 6 months 0.0050 1.400
6/28/2019  6/30/20197/25/2019 6 6 months 0.0022 1.200
8/29/2018  8/30/20189/14/2018 20 6 months 0.0034 1.100
8/7/2017  8/10/20178/24/2017 20 6 months 0.0032 1.300
10/18/2016  10/24/201611/1/2016 20 6 months 0.0056 1.400
5/3/2016  5/4/20165/23/2016 20 6 months 0.0040 1.600
8/24/2015  8/25/20159/14/2015 10 3 years 0.0028 1.500
9/25/2012  10 3 years 0.0026 1.200
9/15/2009  9/29/2009 10 3 years 0.0023 0.880
1/19/2006  2/2/2006 10 3 years 0.0030 0.820
10/11/2002  10/23/200211/7/2002 10 3 years 0.0110 1.100
1/1/1998  12/17/19981/8/1999 10 1 year 0.0010 1.100
1/1/1997  12/12/19971/5/1999 10 1 year 0.0061 1.100
1/1/1996  8/29/199610/22/1996 10 1 year 0.0036 1.120
7/1/1995  12/8/199512/27/1995 20 6 months 0.0070 1.300
7/1/1993  7/29/19938/27/1993 20 6 months 0.0090 1.100



More information for this water system: SDWIS ID 3260
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