What We Do

Environmental Services manages Portland's wastewater and stormwater infrastructure to protect public health and the environment.

Combined Sewer Overflow Control (Big Pipe Project)

See how Portland controls combined sewer overflows (CSOs)

Wastewater collection, sewer construction, watershed revegetation

Environmental Services surplus property listings and public notification procedures

Employment opportunities with our bureau

Public information, public involvement, environmental education, Portland Harbor

Industrial pretreatment, industrial stormwater, citizen response, water pollution control lab

View city information available without requesting public records or use the online request form

Stormwater in Portland, regulations, green infrastructure, and programs for residents, businesses and industry

Arrange a tour for you or your group

Treatment plants, treatment process, biosolids reuse, revegetation

Watershed planning and restoration, tree program, invasive species, stormwater planning, fish and wildlife, stewardship

Phase One Assessment Report, February 2020