OC Flood San Juan Creek Flood Risk Management Feasibility
Study
The San Juan Creek Flood Risk Management Feasibility Study is a joint study between
the United States Army Corps of Engineers and the Orange County Flood Control District.
The purpose of this feasibility study is to evaluate flood risk management alternative
measures along the lower portions of San Juan, Trabuco, and Oso Creeks. The San
Juan Creek Watershed encompasses approximately 176 square miles of southern Orange
County and western Riverside County in southern California. The study is a spinoff
of the earlier San Juan Creek Watershed Management study, with a focus on flood
control in the lower portions of the watershed.
The study area extends along approximately 10.5 miles of San Juan Creek from the
Pacific Ocean to the southern end of Ronald W. Casper’s Wilderness Park, along 9.5
miles of Trabuco Creek from its confluence with San Juan Creek to its confluence
with Tijeras Creek and along 4.5 miles of Oso Creek from its confluence with Trabuco
Creek to just north of Oso Parkway.
The planning objectives for the study are:
- To reduce the risk of flood damages in lower portions of the watershed along San
Juan, Oso and Trabuco Creeks
- To address stream bank erosion and channel instability in the lower portions of
San Juan, Trabuco and Oso Creeks.
- To maintain habitat function and values in the study area to the extent practicable
- Project Summary
- Background Information
- Completed Work Efforts
- Related News Articles
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Documents/Presentations
San Juan Creek Watershed Management Study F5 Report (from the previous study):
Currently we are in the Baseline Conditions Phase (F3 Phase) of the feasibility
study.
For questions and additional information, please contact:
Damien A. Lariviere
USACE Project Manager
(213) 452-4015
Damien.a.lariviere@usace.army.mil
Jonathan Guerrero
USACE Study Manager
(213) 452-3795
Jonathan.e.guerrero@usace.army.mil
Giatho N. Tran
OC Public Works Project Manager
(714) 647-3972
giatho.tran@ocpw.ocgov.com
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