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The City of Portland, Oregon

Portland Water Bureau

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Customer Service: 503-823-7770


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Sept. 12 Update on the Eagle Creek Fire and Bull Run Watershed

September 12th Eagle Creek Fire Updates

The fire perimeter near the Bull Run did not change substantially overnight. The Eagle Creek Fire is 11 percent contained.

As of Sept. 12, 2017, based on infrared imagery data from today, the fire has burned approximately 100 to 150 acres inside the Bull Run Management Unit. The fire has not entered the actual Bull Run watershed drainage area. Current estimates tell us that less than one percent of the Bull Run Watershed Management Unit has been burned at the northern edge. The Bull Run reservoirs and water supply infrastructure are not near the areas that are currently estimated to have been burned. Protecting the Bull Run is a top priority of the fire response.

Based on this data, the Portland Water Bureau has developed an updated fire perimeter map. Please check the map periodically for updates to the fire perimeter in relation to the Bull Run watershed.

The Water Bureau continues to monitor turbidity (measurement of sediment suspended in the water) in the Bull Run water source. These measurements continue to show low turbidity levels. The water continues to be safe to drink. In past fires near the watershed, falling ash did not have a measurable impact on turbidity. The bureau has not found any measurable water quality differences since the fire started. The bureau is planning for additional monitoring to further investigate any effects of the fire on water quality.  Results for the additional monitoring are expected back next week.

Weather will continue to be closely monitored for the next 48 hours as conditions continue to be dry and windy. The forecast for late Thursday, into Friday, shows a likelihood of west to east winds and the possibility of showers. There’s hope for more substantial precipitation nearly next week.

Keep referring to the Portland Water Bureau’s Frequently Asked Questions, which will be updated as new information becomes available.