OHA Drinking Water Services
OR41
PWS ID: 00901 ---- TROUTDALE, 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
7/7/2023  7/27/20238/10/2023 31 3 years 0.0025 0.032
8/4/2020  8/17/20208/25/2020 36 3 years 0.0034 0.028
8/14/2017  8/24/20179/20/2017 35 3 years 0.0023 0.028
8/11/2014  8/29/20149/9/2014 30 3 years 0.0026 0.029
8/8/2011  8/17/2011 30 3 years 0.0056 0.047
7/8/2008  7/11/20089/5/2008 32 3 years 0.0020 0.069
7/2/2005  7/18/20058/29/2005 32 3 years 0.0020 0.062
7/25/2002  8/24/20022/3/2003 32 3 years 0 0
1/1/1999  9/1/199910/5/1999 30 3 years 0.0019 0.070
1/1/1996  9/27/199611/18/1996 30 1 year 0.0018 0.085
1/1/1995  9/28/199511/29/1995 30 1 year 0.0020 0.070
1/1/1994  2/23/19944/25/1994 30 1 year 0.0030 0.270
1/1/1993  4/17/19935/17/1993 60 6 months 0.0010 0.090
7/1/1992  10/20/199211/20/1992 60 6 months 0.0010 0.100



More information for this water system: SDWIS ID 4114
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