OHA Drinking Water Services
OR41
PWS ID: 01461 ---- BIG FOOT MHP
Lead & Copper

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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
9/5/2025  -  9/6/202510/10/2025 3 3 years 0.0282 0.351
8/18/2019  -  8/20/2019 5 3 years 0 0.247
8/18/2019  -  8/20/20198/28/2019 5 3 years 0.0049 0.247
8/24/2014  -  8/25/2014 5 3 years 0 0.383
8/24/2014  -  8/25/20149/5/2014 5 3 years 0.0079 0.383
9/9/2011  -  9/11/201110/5/2011 5 3 years 0.0138 0.506
4/29/2001  4/2/2004 10 1 year 0.0060 1.500
1/1/1999  -  3/3/19996/9/1999 5 1 year 0 0.020
1/1/1998  -  5/28/19986/9/1999 5 6 months 0.0020 1.400
1/1/1996  -  4/8/19965/16/1996 5 6 months 0.0043 0.730


More information for this water system: SDWIS ID 3658
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