Arroyo Currents

      September 2017

Honorable Legislators: We'd Like to Introduce You to the Arroyo Seco

Assemblymember Raul BocanegraAssemblymember Chris HoldenSenator Anthony PortantinoSenator Kevin de Leon

Arroyo Seco Left Out Again!

How About a Real Upper LA River & Tributaries Working Group?

Read the Sad Story of AB 466

It's Fall — The Acorns Are Dropping!

Coast Live Oak AcornEngelmann Oak Acorn

We're collecting acorns for Hahamongna Native Plant Nursery, and we hope you'll help. If you have or live near a good specimen of an Engelmann Oak or a Coast Live Oak, please collect a paper bag full along with a sprig of the leaf from the tree and let us know at

From little acorns mighty oaks grow!

Remaining Steps to Save Hahamongna:

The Comment Period for EIR Revisions Has Been Extended to September 18th.

Factsheet  EIR Revisions  Sediment Resources  Contact Supervisors

Deadline: September 18, 2017

FEIR Revisions  Help with Comments

Send comments to:

Arroyo Calendar

Saturday, Sept. 16, 9:00 amCoastal Cleanup in the Arroyo - You can help out locally in the Arroyo Seco in the natural stream area between the Holly Street Bridge and the Colorado Street Bridge along with ASF, Pasadena Audubon, and Heal the Bay.
Saturday, Sept. 16, 9:00 amWalk Hahamongna with Mayor Tornek Join Pasadena Mayor Terry Tornek on a walking tour of Hahamongna Watershed Park and experience the grandeur of the Arroyo Seco. Bring sunscreen and water to enjoy this friendly stroll through Hahamongna.
Monday, Sept. 18, 11:59 pmDeadline for Big Dig Comments- The is the final opportunity to submit comments about the revised Environmental Impact Report for the sediment removal program in Hahamongna Watershed Park.
Wednesday, Oct. 10, 7:00 pmArroyo Seco Foundation Quarterly Meeting - Come learn about all the latest issues and happenings in the Arroyo at the quarterly meeting at the Pasadena Central Libary.

News of the Arroyo

An achive of news stories about and related to life in the Arroyo Seco.

Click on the title link to read the entire story

Bulldozers ready: Temporary dig planned behind Devil's Gate Dam in PasadenaSeptember 13, 2017 - LA County Flood Control will begin an annual maintenance program at Devil's Gate Dam that will involve ten trucks a day and 4,000 cubic, less than 1% of the still pending Big Dig
Opening up the gate to the Mount Wilson Toll Road: Larry WilsonSeptember 12, 2017 - Larry Wilson reports good news from Paul Ayers about that pesky locked gate that frequently blocks access for hikers up the Mount Wilson Trail in Eaton Canyon.
Walk The "Over-Loved" Arroyo with the MayorSeptember 10, 2017 - Tim Martinez encourages local residents to get involved and provide input and feedback to Mayor Tornek and the Arroyo Advisory Group about the future of the Arroyo Seco. And the walk with the Mayor this Saturday will be a good opportunity to do so.
A tree falls in Pasadena, and lessons are heard: Guest commentarySeptember 8, 2017 - Tim Martinez takes a look at recent tree accidents and concludes that more native trees should be selected for future plantings. They are safer and better adapted to local conditions. Couldn't agree more.
The healing power of nature September 6, 2017 - The healing and restorative power of forests and rivers is documented in this powerful article on "forest bathing."
Editorial: Houston's floods are a warning for California to shore up its water systems.September 5, 2017 - Houston certainly has lessons for Southern California and so does the Central Valley Flood Protection Board. We like good news, but we'll believe it when the County Flood Control District changes its name and starts promoting real integrated watershed management solutions.
Column: Hey President Trump, leave the San Gabriel Mountains aloneAugust 30, 2017 - Steve Lopez takes a hike with Daniel Rossman to explore the San Gabriel Mountains National Monument.
Looking for trout in Upper Arroyo Seco, he's thinking of politics: Larry WilsonAugust 29, 2017 - Larry Wilson of the Star-News heads up to Switzer's Camp in the upper Arroyo Seco to scout for trout. The native trout are still there, Larry. Keep looking, but you're more likely to find them when there is more flow.
How a useless dam nearly destroyed an iconic beachAugust 23, 2017 - This article about Matilija Dam in Ventura County details the importance of sand and sediment for river management and coastal protection. Interesting comment about cost at the end. Locally, it cost $400,000 to build Devil's Gate Dam, but the current Big Dig sediment program will cost $100 million.

Arroyo Seco Foundation
570 W. Avenue 26 #450
Los Angeles, CA 90065
PO Box 91622
Pasadena, CA 91109-1622

Hahamongna Native Plant Nursery
Hahamongna Watershed Park
4550 Oak Grove Drive
Pasadena, CA 91103
(626) 657-0392