Phone: 503-823-7740
Fax: 503-823-6995
MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, 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
|
| 9/19/18 | 63.9 | 550 |
| 9/12/18 | 68.0 | 8 |
| 9/5/18 | 68.4 | 7 |
| 8/29/18 | 69.8 | 2 |
| 8/22/18 | 73.0 | 9 |
| 8/15/18 | 74.5 | 3 |
| 8/8/18 | 76.1 | 11 |
| 8/1/18 | 76.3 | 4 |
| 7/24/18 | 75.2 | 23 |
| 7/18/18 | 73.8 | 4 |
| 7/11/18 | 70.5 | 10 |
| 7/3/18 | 70.2 | 8 |
| 6/27/18 | 70.2 | 10 |
| 6/20/18 | 66.0 | 6 |
| 6/13/18 | 63.1 | 10 |
| 6/6/18 | 62.8 | 11 |
| 5/30/18 | 62.2 | 6 |
| 5/23/18 | 61.7 | 6 |
|
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 |
||