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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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3. Willamette Park Boat Launch - River Mile 15.7
Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
9/14/16 67.8 28
9/6/16 68.2 98
8/31/16 73.2 79
8/23/16 75.0 11
8/16/16 71.2 20
8/9/16 71.8 14
8/2/16 75.0 86
7/26/16 71.6 8
An E. coli count less than 406 is below the health standard set by the Oregon Department of Environmental Quality
↓ below state health standard - ↑ above state health standard