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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


7. Railroad Bridge - River Mile 6.8
Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
12/2/15 41.2 51
11/10/15 53.1 52
10/7/15 63.3 17
9/2/15 72.1 16
8/12/15 75.7 17
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