3338 Freeman Emergency Bank Repair (Notification of Lake or Streambed Alteration No. EPIMS-CCA-28670-R3)
Summary
SCH Number
2026100105
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3
(CDFW)
Document Title
3338 Freeman Emergency Bank Repair (Notification of Lake or Streambed Alteration No. EPIMS-CCA-28670-R3)
Document Type
NOE - Notice of Exemption
Received
Posted
10/5/2026
Document Description
The California Department of Fish and Wildlife (CDFW) has executed Lake and Streambed Alteration Agreement EPIMS Notification No. EPIMS-CCA-28670-R3, pursuant to Section 1602 of the Fish and Game Code to Mark and Tammy Mahaney.
The project is limited to the repair of a creekbank slide by installation of a wooden retaining wall and a proposed 30-foot extension of the same type of wooden retaining wall. Site preparation will include clearing and grubbing of approximately 0.01 acre of the channel bank and minor grading near the top of the bank. No trees will be removed. The new wooden wall extension will be supported by steel soldier piles connected to up to five helical anchor supports, and the new wall will be connected to an existing wall. The area behind the wall will be backfilled and planted with native riparian plantings once installation is complete.
Contact Information
Name
Torrey Soland
Agency Name
CA Dept of Fish and Wildlife
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency
Phone
Name
Mark and Tammy Mahaney
Agency Name
Person or Public Agency Carrying Out Project
Job Title
Person or Public Agency Carrying Out Project
Contact Types
Parties Undertaking Project
Phone
Email
Location
Coordinates
Cities
Walnut Creek
Counties
Contra Costa
Regions
San Francisco Bay Area
Parcel #
185-220-013-6
Other Location Info
The project is located at the right (south) bank of Las Trampas Creek, in the County of Contra Costa, State of California; Latitude 37.88513, Longitude - 122.08139; 3338 Freeman Road, Walnut Creek, CA 94595; Assessor’s Parcel Number 185-220-013-6.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class (1); California Code of Regulations, title 14, section (15301)
Reasons for Exemption
The project consists of the minor alteration of existing public or private structures, involving negligible or no expansion of existing or former use.
Attachments
Notice of Exemption
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