San Diego Creek Watershed Natural Treatment System


SCH Number
Lead Agency
United States Bureau of Reclamation (USBR)
Document Title
San Diego Creek Watershed Natural Treatment System
Document Type
EA - Environmental Assessment
Present Land Use
Varies: flood control, undeveloped or agriculture, mostly zoned for residential or commercial development
Document Description
NOTE: Reference SCH# 2002021120; End Review, per lead. Federal Financial assistance to the Irvine Ranch Water District to implement the San Diego Creek Watershed Natural Treatment System, a series of 31 constructed treatment wetlands intended to improve water quality in San Diego Creek and Newport Bay in Orange County, CA.

Contact Information

Doug McPherson
Agency Name
U.S. Bureau of Reclamation
Contact Types
Lead/Public Agency


Cross Streets
multiple locations
Parcel #
State Highways
I-5, I-405
John Wayne
UC Irvine, others
Newport Bay, San Diego Creek & tributaries

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB), Caltrans, Division of Aeronautics, Department of Water Resources, Office of Historic Preservation, Resources Agency, State Water Resources Control Board, Division of Water Quality, California Department of Transportation, District 12 (DOT)
State Reviewing Agency Comments
California Department of Transportation, District 12 (DOT)
Development Types
Water Facilities (Type Wetlands, MGD 10)
Local Actions
Master Plan
Project Issues
Agriculture and Forestry Resources, Biological Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Hydrology/Water Quality, Land Use/Planning, Noise, Vegetation, Wetland/Riparian, Wildlife

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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