Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Ave, Suite 613, Portland, OR 97204
5. Portland Boathouse Dock - River Mile 12.9
Samples from this location tested weekly from May to October
| Sample Collection Date |
Temperature
degrees Fahrenheit
|
E. Coli Count
organisms per 100ml
|
| 7/8/20 | 66.7 | 11 |
| 7/1/20 | 68.4 | 9 |
| 6/24/20 | 65.8 | 5 |
| 6/17/20 | 60.3 | 22 |
| 6/10/20 | 62.2 | 20 |
| 6/3/20 | 64.8 | 23 |
| 5/27/20 | 57.7 | 10 |
| 5/21/20 | 57.4 | 26 |
|
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 |
||