News and notices

Willamette River Recreation Season Is Back. So Is Check the Rec

From late May through September, Environmental Services tests water quality weekly at five popular Willamette River recreation locations and shares the results every Friday. The first results of the season will be posted on May 22.

May 20, 2026 4:00 pm Blog post

Willamette River Recreation: Check the Rec Season Has Begun

As summer approaches and warm weather returns to Portland, so does Check the Rec. From late May through September, Environmental Services tests water quality weekly at popular Willamette River recreation spots.

May 28, 2025 12:30 pm News article

One Year Without a Combined Sewer Overflow: A Milestone for the Big Pipe Project

Today marks a significant milestone for Environmental Services' Big Pipe Project: one full year without a combined sewer overflow (CSO) to the Willamette River.

January 27, 2025 12:19 pm Press release

Willamette River summer water quality testing wraps up with 100% good results; public can monitor the river during the rainy season via online tracker

September 27, 2024 10:06 am Press release

Summer on the Willamette River – weekly water quality testing begins for 10th season

Want to swim, boat, play in the Willamette River? Water quality is good for recreation. A decade of data show low bacteria levels in the Willamette River - well within DEQ guidelines for water recreation. Find out weekly test results all summer long.

June 7, 2022 9:20 am Press release