William Mason Regional Park Pathway Improvements (Notification of Lake or Streambed Alteration, No. EPIMS-ORA-59798-R5)
Summary
SCH Number
2025100081
Public Agency
California Department of Fish and Wildlife, South Coast Region 5
(CDFW)
Document Title
William Mason Regional Park Pathway Improvements (Notification of Lake or Streambed Alteration, No. EPIMS-ORA-59798-R5)
Document Type
NOE - Notice of Exemption
Received
Posted
10/2/2025
Document Description
The California Department of Fish and Wildlife (CDFW) has executed Lake and Streambed Alteration Agreement EPIMS Notification No. EPIMSORA-59798-R5 pursuant to Section 1602 of the Fish and Game Code to Orange County
Parks. The overall Project consists of the improvement of eight distinct segments of a concrete pathway within William Mason Regional Park. Project activities include removing and reconstructing low-lying concrete pathway areas, replacing storm drainpipes with pedestrian bridges, and removing existing concrete debris to alleviate routine flooding in lower-elevation portions of the trail. Specific Project activities will include site clearance using heavy equipment; removal and demolition of an existing concrete pathway and storm drainpipe; grading; installation of boardwalk bridges, riprap, piers, footing, abutments, and concrete sidewalks; and, protection of existing utilities. The total area for all eight sites in the Project footprint is 0.20 acre.
Contact Information
Name
Jessie Lane
Agency Name
CDFW
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Location
Cities
Irvine
Counties
Orange
Regions
Southern California
Other Location Info
The Project is located within the bed, channel, and
bank of Sand Canyon Wash, the largest tributary to San Diego Creek, in the City of
Irvine, County of Orange, State of California.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Type – Class 1 and 2; California Code of Regulations, title 14, sections 15301 and 15302
Reasons for Exemption
The Project is exempt because it involves replacement of existing facilities, consistent with Title 14, Sections 15301 and 15302. There will be negligible expansion of use, and the replacement structures will be located on the same site and serve the same purpose as the existing structures. The project will not remove any trees.
County Clerk
Orange
Attachments
Notice of Exemption
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