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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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5. Portland Boathouse Dock - River Mile 12.9
Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
9/20/16 64.9 10
9/14/16 67.1 5
9/6/16 69.4 9
8/31/16 73.0 4
8/23/16 74.5 6
8/16/16 71.8 8
8/9/16 72.7 3
8/2/16 74.7 5
7/26/16 71.6 5
7/20/16 70.0 34
7/13/16 70.3 8
7/6/16 72.9 3
6/29/16 68.5 8
6/21/16 64.2 7
6/15/16 64.4 56
6/8/16 70.5 10
5/31/16 61.9 25
5/25/16 59.4 14
5/17/16 61.7 23
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