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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Suite 1000, Portland, OR 97204

6. Morrison Bridge - River Mile 12.7
Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
3/12/14 48.0 84
2/25/14 45.0 31
1/2/14 41.5 12
12/3/13 45.1 130
11/5/13 52.2 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

Heartbleed Security Notice

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