At Alameda de las Pulgas it becomes an engineered concrete channel to El Camino Real, where it is briefly daylighted before entering underground culverts in downtown Redwood City.

The U.S. Geological Survey (USGS) and National Park Service (NPS) have conducted studies to observe and quantify erosion and sedimentation processes in the watershed.

These studies have allowed researchers to determine the long-term effects of certain land practices and how they change the hillslopes and stream channels.

These studies determined that the cumulative effect of these land practices was able to initiate multiple erosion processes, which generated a significant impact on the Redwood Creek Basin.

[11] At Stulsaft Park on the Arroyo de Ojo Agua tributary, a population of endangered Fountain Thistle (Cirsium fontinale var.

[12] In August, 2018 Grassroots Ecology Assistant Director Junko Bryant led a project with the San Jose Conservation Corps and Redwood City to remove approximately 40 non-native Canary Island date palm (Phoenix canariensis) trees from a segment of Redwood Creek in the downtown area near Kaiser Permanente.

The creek banks have been replanted with native plants, increasing biological diversity and improving visibility for ambulances accessing the hospital.