Restore the River - Don't Bury It

Brookside Park Stormwater Burial Project
La Casita del Arroyo, 177 S. Arroyo Blvd.
Thursday, November 13, 6 pm

Dechannel the Arroyo

LA is getting serious about stream restoration. In 2023 the city adopted the visionary Sepulveda Vision Plan to restore the 500 acre in the heart of the LA River in the San Fernando Valley. Then last month, the planners released the technical study on Task 9: Dechanelling the River.

Pasadena has been talking about removing large sections of the flood channel in the Arroyo for forty years. The Arroyo Seco Master Plan (2003) call for naturalizing the Arroyo, particularly in the Lower Arroyo.


Do you Want to Restore the Arroyo Stream? Let Us Know

Seco Street Drain is a disgrace. Let's clean up the trash and restore the wetlands at the Seco tributary confluence in the Arroyo Seco.

Arroyo Seco Ecosystem Restoration

More than two decades ago, Los Angeles County Flood Control District and the US Army Corps of Engineers began a program to restore stream and habitat conditions in the Arroyo Seco. The Corps lost interest in the program seven years ago, but now the Flood Control District, at the insistence of Supervisor Kathryn Barger, is starting up the program again.

The Arroyo Seco cities (LA, Pasadena, South Pasadena, La Canada Flintridge, Altadena) and stakeholders will be partners in the program that offers great hope for vital restoration programs in the most important tributary of the Los Angeles River.

We'll keep you informed of developments. If you are interested, let us know by sending a message to stewards@arroyoseco.org

Q: What about Wetlands in the Arroyo?

Pasadena's "Stormwater Program" neglects the importance of wetlands and connectivity for habitat and wildlife in the Arroyo Seco watershed. Instead of planning nature-based solutions, Pasadena and South Pasadena are proposing little bandages on a severly wounded watershed and stream management system. Cheap water for a golf course. Another round of one hundred year mistakes.

Learn more about wetlands

2025 Trout Report

Here's the 2025 trout report from the California Department of Fish and Wildlife. This year's count (3,815) is impressive, given how dry the year has been.

Trout Reports

Did you know that the rainbow trout is listed as an endangered species by both the federal and state government?

An Arroyo Steward

Dianne Philibosian has been an Arroyo steward for many decades. In the 1990s, she was president of the Arroyo Seco Foundaion when the low-flow streams were established in Pasadena's Lower Arroyo and Pasadena initiated the Master Plan process. More recently, she has served on the board of Stewards of the Arroyo Seco and the Arroyos and Foothills Conservancy. She was devoted to protecting and restoring the natural character of the Arroyo Seco.

We will aways remember her.

Three Vital Hotspots in the
Arroyo Seco Restoration Corridor:

San Rafael Confluence

San Pascual Park

South Pasadena Nature Park

Bring your camera or phone to share in the Arroyo Arc Bioblitz.


Stormwater Capture and Use Workshop

Turning Local Stormwater Successes into Solutions for California’s Water Future

Tuesday, November 18, 2025

Webcast: https://video.calepa.ca.gov

The State Water Resources Control Board invites you to a staff-led public workshop focused on how California can better capture and use urban stormwater. Join us to learn about successful projects, discuss overcoming barriers, and help shape the future of stormwater management in California.

Checking out Klamath

It's the biggest restoration in American history and Steward Tim Brick got to raft down the Klamath River last month with notable Southern California water officials.

(left to right: Wendy Katagi of McMillen, Heather Dyer of San Bernardino Water District, Brian Baldauf of MRCA, Jesus Gonzalez of LA DWP, and Tim Brick of Stewards of the Arroyo Seco.)

We would like to know what you are thinking: stewards@arroyoseco.org