Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Ave, Suite 613, Portland, OR 97204
7. Railroad Bridge - River Mile 6.8
Samples from this location tested monthly
| Sample Collection Date |
Temperature
degrees Fahrenheit
|
E. Coli Count
organisms per 100ml
|
| 5/3/23 | 53.4 | 17 |
| 4/5/23 | 46.2 | 90 |
| 3/6/23 | 43.0 | 49 |
| 2/14/23 | 44.1 | 16 |
| 1/4/23 | 44.2 | 30 |
| 12/1/22 | 45.0 | 990 |
|
An E. coli count less than 406 is below the health standard set by the Oregon Department of Environmental Quality. A value of 'ND' indicates a non-detection.
↓ below state health standard - ↑ above state health standard |
||