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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
9/29/15 66.2 15
9/23/15 65.7 3
9/15/15 67.1 10
9/9/15 70.5 410
9/1/15 72.5 13
8/25/15 73.4 15
8/18/15 73.9 12
8/11/15 75.7 51
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