Watershed Rehabilitation


What it is:

Watershed Rehabilitation is the planning, designing and implementation of watershed improvements in order to restore waterways and associated habitat, improve water quality and increase local water supply.


Benefits:

The watershed rehabilitation program works to protect and restore streams and rivers throughout Los Angeles County – some of the most threatened in the country. Many have been paved over in the interest of new development, lined with concrete to protect against floods, filled with trash, or contaminated by pollutants that flow from streets and parking lots.


Our program relies on a three pronged approach:

Watershed Planning:

Comprehensive watershed restoration by:

  • Creating plans for watershed restoration
  • Analyzing and monitoring water quality
  • Balancing restoration opportunities with existing conditions and financial    resources

(One of our recent projects is the Arroyo Seco Watershed Management and Restoration Plan which proposes a restoration approach for the 47-square mile Arroyo Seco watershed in north-central Los Angeles County.

Water Quality Improvement:

Design and building of projects that remove pollutants from drainage water before it enters storm drains:

  • Promoting projects to keep pollutants out of our waterways
  • Restoring the natural function of remaining creeks and streams

An example is the Oros Green Street Project where North East Trees, in partnership with the City of Los Angeles, installed a natural water quality treatment system as part of a neighborhood beautification project.

Stream Restoration:

Restoration of the natural function of remaining creeks and streams by:

  • Planting of native trees and plants
  • Removing trash, debris and harmful invasive plants
  • Rebuilding stream channels so that they function effectively year round
  • Providing public access while maintaining protection of fragile areas
  • Promoting projects to keep pollutants out of our waterways

View Projects

Cudahy River Park

View Project

Cudahy River Park is a gateway mini-park at River Road and Clara Street in the City of Cudahy. 

Garvanza Park BMP Project

View Project

The Garvanza Park Stormwater BMP project is the first of its kind in Los Angeles.

Eastern Gateway Project

View Project

The Eastern Gateway Project brightens the La Brea Avenue entrance to the Kenneth Hahn Regional Park.

Oros Green Street Project

View Project

The Oros Green Street project was the first “green street” project in Los Angeles.

Rio de Los Angeles State Park

View Project

Rio de Los Angeles State Park consists of a riparian habitat in the buffer zones, and a created wetland / riparian habitat in the central area.

Bimini Slough Ecology Park

View Project

This ¼ acre park located in the heart of Southeast Hollywood addresses not only the need for open green space in this densely populated community.

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