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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204

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5. Portland Boathouse Dock - River Mile 12.9*

Samples from this location tested weekly from May to October.

* Because the Portland Boathouse Dock was removed in August 2017, Environmental Services switched test locations to the nearby Portland Fire Bureau Dock.

View Portland Fire Bureau Dock

Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
8/8/17 76.3 23
8/2/17 74.7 6
7/26/17 73.4 14
7/19/17 73.6 7
7/12/17 72.9 5
7/5/17 70.3 4
6/28/17 69.3 2
6/21/17 62.1 1
6/14/17 58.1 4
6/7/17 62.2 16
5/31/17 62.1 7
5/24/17 60.1 15
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