OHA Drinking Water Services
OR41
PWS ID: 92813 ---- USFS MIDDLE FORK RS
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
9/8/2025  9/18/2025 10 6 months 0 0.267
3/22/2024  4/3/2024 10 6 months 0.0036 0.316
6/21/2022  6/29/2022 5 3 years 0.0026 0.372
7/10/2019  7/19/2019 5 3 years 0 0.234
6/13/2016  6/17/2016 5 3 years 0 0.178
6/11/2013  6/28/2013 5 3 years 0 0.280
7/22/2010  8/5/2010 5 3 years 0 0.300
7/9/2007  7/16/2007 5 3 years 0 0.101
10/7/2004  10/25/2004 5 3 years 0 0.047
1/1/2001  -  7/12/20018/24/2001 5 1 year 0.0043 0.875
1/1/1996  -  8/9/199610/15/1996 5 1 year 0.0033 0.120
1/1/1995  -  8/9/19959/13/1995 5 1 year 0 0.195
1/1/1994  -  4/6/19942/17/1995 10 6 months 0.0026 0.185
7/1/1993  -  8/3/199310/13/1993 10 6 months 0.0022 0.260


More information for this water system: SDWIS ID 1292
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