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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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2. Sellwood Riverfront Park Dock - River Mile 16.4

Samples from this location tested weekly from May to October

Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
9/27/17 60.3 12
9/20/17 63.1 64
9/13/17 67.8 17
9/6/17 69.8 75
8/30/17 69.3 13
8/23/17 69.8 49
8/16/17 71.6 22
8/8/17 76.1 52
8/2/17 74.7 40
7/26/17 73.0 16
7/19/17 72.7 20
7/12/17 71.8 10
7/5/17 69.8 61
6/28/17 69.6 3
6/21/17 63.7 5
6/14/17 58.1 6
6/7/17 62.2 12
5/31/17 61.0 3
5/24/17 60.1 16
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