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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
9/30/14 64.6 11
9/22/14 66.9 30
9/16/14 68.4 21
9/9/14 70.2 10
9/2/14 72.9 6
8/26/14 73.8 12
8/20/14 73.8 11
8/13/14 75.9 17
8/4/14 74.8 9
7/30/14 75.9 5
7/22/14 75.7 6
7/16/14 77.0 6
7/8/14 72.3 3
7/1/14 70.2 52
6/24/14 65.8 11
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