Follow the Big Pipe Tracker to see how the system prevents combined sewer overflows to the Willamette River, and be the first to know if a rare overflow occurs.

December 5, 2023 12:32 pm Press release

Sewage Advisory: Wipes, grease clog pipe, cause sewage overflow to SW Beaverton-Hillsdale Highway, Fanno Creek

October 22, 2023 9:12 am Press release

Advisory: Equipment malfunction leads to sewage discharge to Willamette River near Morrison Bridge

October 2, 2023 11:45 am Press release

Sewage Advisory: Overflow of 400 gallons reaches creek in SW Portland’s Marquam Nature Park

September 1, 2023 2:52 pm Press release

Sewage Advisory: Crews stop release in Forest Heights neighborhood’s Mill Pond Park affecting downstream Cedar Mill Creek

August 31, 2023 9:06 am Press release

Sewage Advisory: Crews clear rags, roots after sewage overflow off NE Rocky Butte Road

August 25, 2023 10:29 am Press release

CSO Advisory: Combined sewer overflow occurred late afternoon to Willamette River from a single outfall at Willamette Park

May 8, 2023 5:17 pm Press release

UPDATED: CSO Advisory expires today - Follow the Big Pipe system to track Willamette River overflow

Updated March 15, 2023 9:39 am Press release

Commissioner Mingus Mapps announces Bureau of Environmental Services Director

March 8, 2023 4:53 pm Press release

Sewage Advisory: Crews respond and stop overflow to church parking lot on SW 18th and Jefferson

January 24, 2023 10:53 am Press release

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News

Work Zone Ahead: As construction seasons kicks into high gear, City of Portland urges travelers to use caution to save lives and prevent injuries

Update: Crews contain sewage release under N Columbia Boulevard; road closure continues, advisory continues for Columbia Slough

Advisory: Sewage release under N Columbia Boulevard north of Lombard Street leads to road closure, overflow to Columbia Slough

Sewage Advisory: Crews respond to sewage release in SW Portland, portion reaches Stephens Creek

Sewage Advisory: Crews respond to sewage release under west end of Burnside Bridge

CSO Advisory: Heavy rains lead to combined sewer overflow to the Willamette River

Sewage Advisory: Weather-related pipe failure at pump station leads to sewage reaching Fanno Creek in SW Portland

UPDATE: City's largest sewage pump station repaired, in full service

Sewage Advisory: Overflow in NW Forest Heights neighborhood leads to sewage reaching nearby Cedar Mill Creek

CSO Advisory: Heavy rains overnight lead to a combined sewer overflow to the Willamette River

Big Pipe system prevented multiple overflows to the Willamette River, follow online tracker for updates during remainder of storm

Sewage Advisory: Wipes, grease clog pipe, cause sewage overflow to SW Beaverton-Hillsdale Highway, Fanno Creek

Advisory: Equipment malfunction leads to sewage discharge to Willamette River near Morrison Bridge

Sewage Advisory: Overflow of 400 gallons reaches creek in SW Portland’s Marquam Nature Park

Sewage Advisory: Crews stop release in Forest Heights neighborhood’s Mill Pond Park affecting downstream Cedar Mill Creek

Sewage Advisory: Crews clear rags, roots after sewage overflow off NE Rocky Butte Road

CSO Advisory: Combined sewer overflow occurred late afternoon to Willamette River from a single outfall at Willamette Park

UPDATED: CSO Advisory expires today - Follow the Big Pipe system to track Willamette River overflow

Commissioner Mingus Mapps announces Bureau of Environmental Services Director

Sewage Advisory: Crews respond and stop overflow to church parking lot on SW 18th and Jefferson

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