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7. Railroad Bridge - River Mile 6.8

Samples from this location tested monthly

An E. coli count less than 406 is below the health standard set by the Oregon Department of Environmental Quality.

↓ indicates below state health standard
↑ indicates above state health standard
'ND' indicates a non-detection

Sample Collection Date Temperature E. Coli Count
organisms per 100 ml
47.1°F 14 ↓
44.2°F 19 ↓
46.2°F 75 ↓
48.4°F 10 ↓
53.1°F 51 ↓
64.4°F 2 ↓