Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Ave, Suite 613, Portland, OR 97204
3. Willamette Park Boat Launch - River Mile 15.7
Samples from this location tested weekly from May to October
| Sample Collection Date |
Temperature
degrees Fahrenheit
|
E. Coli Count
organisms per 100ml
|
| 9/27/23 | 63.1 | 80 |
| 9/20/23 | 68.2 | 11 |
| 9/13/23 | 67.3 | 16 |
| 9/6/23 | 67.8 | 11 |
| 8/30/23 | 70.2 | 100 |
| 8/23/23 | 75.2 | 4 |
| 8/16/23 | 77.0 | 18 |
| 8/9/23 | 74.8 | 4 |
| 8/2/23 | 74.7 | 9 |
| 7/26/23 | 75.9 | 12 |
| 7/19/23 | 75.0 | 72 |
| 7/12/23 | 73.8 | 5 |
| 7/5/23 | 74.1 | 23 |
| 6/28/23 | 69.8 | 15 |
| 6/21/23 | 66.2 | 16 |
| 6/14/23 | 67.1 | 30 |
|
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 |
||