Skip to Main Content View Text-Only

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

More Contact Info


3. Willamette Park Boat Launch - River Mile 15.7
Sample Collection Date Temperature
degrees Fahrenheit
E. Coli Count
organisms per 100ml
9/30/14 62.2 42
9/22/14 66.0 32
9/16/14 65.8 8
9/9/14 68.5 9
9/2/14 72.7 10
8/26/14 73.9 32
8/20/14 72.7 17
8/13/14 74.8 50
8/4/14 75.9 22
7/30/14 73.9 11
7/22/14 75.9 8
7/16/14 76.6 41
7/8/14 73.4 23
7/1/14 68.4 9
6/24/14 66.4 14
6/17/14 62.1 130
6/10/14 67.6 3
6/3/14 62.4 15
5/27/14 63.0 25
5/21/14 60.1 29
5/13/14 54.3 42
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