Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Avenue, 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
|
| 9/20/17 | 63.7 | 75 |
| 9/13/17 | 68.9 | 9 |
| 9/6/17 | 70.2 | 18 |
| 8/30/17 | 69.6 | 14 |
| 8/23/17 | 69.4 | 22 |
| 8/16/17 | 73.0 | 8 |
| 8/8/17 | 77.4 | 14 |
| 8/2/17 | 74.8 | 6 |
| 7/26/17 | 73.6 | 12 |
| 7/19/17 | 73.4 | 26 |
| 7/12/17 | 72.9 | 6 |
| 7/5/17 | 72.1 | 1 |
| 6/28/17 | 69.3 | 2 |
| 6/21/17 | 62.6 | 8 |
| 6/14/17 | 58.3 | 4 |
| 6/7/17 | 63.0 | 5 |
| 5/31/17 | 62.4 | 10 |
| 5/24/17 | 60.1 | 22 |
|
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 |
||