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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

More Contact Info


8. Cathedral Park Boat Launch - River Mile 5.6
Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
6/30/15 76.3 10
6/23/15 72.5 6
6/17/15 73.0 27
6/10/15 73.4 8
6/3/15 66.4 12
5/26/15 63.1 4
5/20/15 63.7 6
5/13/15 62.1 18
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