Phone: 503-823-7740
Fax: 503-823-6995
MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204
4. Riverplace Marina Boat Dock - River Mile 13.2
Samples from this location tested weekly from May to October
| Sample Collection Date |
Temperature
degrees Fahrenheit
|
E. Coli Count
organisms per 100ml
|
| 8/8/18 | 77.4 | 43 |
| 8/1/18 | 76.3 | 3 |
| 7/24/18 | 75.9 | 10 |
| 7/18/18 | 73.9 | 5 |
| 7/11/18 | 70.7 | 17 |
| 7/3/18 | 70.3 | 8 |
| 6/27/18 | 70.7 | 5 |
| 6/20/18 | 66.0 | 8 |
| 6/13/18 | 63.0 | 10 |
| 6/6/18 | 63.9 | 1 |
| 5/30/18 | 62.2 | 5 |
| 5/23/18 | 63.0 | 8 |
|
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 |
||