The Rio Hondo Watershed Area is located in mid Los Angeles County. The watershed area drains to the Rio Hondo, then into the Los Angeles River, and finally out to the Pacific Ocean. In addition to the Rio Hondo, the watershed area includes Alhambra Wash, Rubio Wash, Eaton Wash, Arcadia Wash and Santa Anita Wash. Municipalities that fall within the boundaries of this Watershed Area include: Pasadena, Arcadia, Montebello, El Monte, Monterey Park, Rosemead, Alhambra, Monrovia, San Gabriel, Temple City, South El Monte, San Marino, Sierra Madre, Duarte, Irwindale, Bradbury, South Pasadena, and Los Angeles County.

The Rio Hondo Watershed Area is estimated to receive up to $11.5 million annually to fund regional projects and programs.  

Regional Program funds for the Watershed Area are programmed by the Watershed Area Steering Committee  comprised of local stakeholders from agencies, municipalities, and community members from within the Watershed Area. The Steering Committee will meet regularly to develop funding plans and recommendations to provide water quality, water supply, and community enhancement benefits to the region. Available meeting details are below.

Steering Committee

Julian Juarez, LA County Flood Control District 

Tom Love, Upper San Gabriel Valley Municipal Water District

Kelly Gardner, Main San Gabriel Basin Watermaster

Kristen Ruffell, LA County Sanitation Districts

Charles Peretz, City of Pasadena Parks and Recreation

Thomas Wong, San Gabriel Valley Municipal Water District

Michael Hurley, Cal Water

Mark Hall, Greater LA County Vector Control District

Ron Miller, LA/OC Building Trades


Daniel Rossman, The Wilderness Society

David Dolpin, Alhambra

Vanessa Hevener, Arcadia

Paul Alva, Los Angeles County

Gloria Crudgington, Monrovia

Frank Lopez, Monterey Park

Sean Singletary, Pasadena

James Carlson, Sierra Madre

Meetings and Events


Watershed Area Steering Committee Meeting

Wednesday, November 6, 2019, 9:00 – 11:00 am

City of Monrovia, Public Library
321 South Myrtle Ave, Monrovia, CA 91016