Hanson Floodplain Restoration

The Santa Clara River is one of the least altered river systems in all of California, with relatively natural flows and without significant channelization. The river flows over 100 miles from the San Gabriel Mountains in Los Angeles County westward across Ventura County and meets the Pacific Ocean near the City of Ventura. Due to … Continued

Tijuana Estuary Tidal Restoration Program II: Phase I restoration design

The Tijuana Estuary Tidal Restoration Program II (TETRP II): Phase I Design is the first phase of a multi-phase restoration of the southern arm of Tijuana Estuary, San Diego County, California. TETRP II Phase I builds upon the conceptual restoration plan developed for the Tijuana Estuary – Friendship Marsh Restoration Feasibility and Design Study. The … Continued

Big Canyon Creek Restoration and Estuary Adaptation Project: Phase 2 Planning

Big Canyon Creek is one of the few perennial streams that discharge to Upper Newport Bay in Orange County. Big Canyon Creek has experienced substantial watershed impacts such as channel incision, loss of floodplain areas, unstable riverbanks, poor water quality, infestation of riparian vegetation by the Polyphagous Shot Hole Borer (PSHB), and aggressive encroachment of … Continued

Matilija Dam Ecosystem Restoration Program: 65% design & permitting

Matilija Dam, located on the Ventura River, is a 168-foot high concrete arch dam built in 1947 for water storage. The reservoir behind Matilija Dam is almost filled in with sediment, significantly reducing storage capacity to the point of rendering the dam nonfunctional. With no fish ladder or bypass structure present, it is a complete … Continued

Loma Alta Slough Wetlands Enhancement Project – Phase 2 Implementation

Loma Alta Slough is a small creek mouth estuary in the City of Oceanside, the third largest coastal City in San Diego County. Intermittently tidal estuaries such as the Loma Alta Slough provide unique habitats for coastally-dependent species, such as the endangered tidewater goby, but the estuary must be in healthy condition to maintain these … Continued

Riparian Restoration at the Sespe Cienega

The project will implement the restoration plan for a large wetland and riparian complex along the Santa Clara River, a significant coastal river in southern California that still retains its natural hydrology and provides critical habitat for endangered species including least Bell’s vireo, Southwest willow flycatcher, and steelhead trout. The project location is the site … Continued

Mission Creek Fish Passage Enhancement Project

The project implemented fish passage improvements in lower Mission Creek in Santa Barbara. The City modified the lower concrete flood control channel to improve conditions for Southern California steelhead to migrate upstream to access year-round water with suitable spawning habitat in the upper watershed.

Ventura River Parkway: Lower Ventura River Parkway Planning Project

Grant to TPL to create a conceptual plan and conduct preliminary property analyses that can be used in cooperation with public agencies and other stakeholders to develop and promote a river parkway plan for the Lower Ventura River in Ventura County.The project consists of four main elements: (1) a conceptual plan that promotes a vision … Continued

Sweetwater Marsh Restoration

The Sweetwater Marsh Restoration and Enhancement Plan proposes to improve the overall habitat value within the Sweetwater Marsh Unit of the San Diego Bay National Wildlife Refuge