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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
9/29/15 64.9 11
9/23/15 68.7 16
9/15/15 68.4 8
9/9/15 69.1 6
9/1/15 73.8 23
8/25/15 74.7 12
8/18/15 73.9 12
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