Aikawa Pond Channel Stabilization Phase 2 (Notification of Lake or Streambed Alteration, No. 1600- 2019-0328-R3)
Summary
SCH Number
2023050367
Public Agency
California Department of Fish and Wildlife, Bay Delta Region 3
(CDFW)
Document Title
Aikawa Pond Channel Stabilization Phase 2 (Notification of Lake or Streambed Alteration, No. 1600- 2019-0328-R3)
Document Type
NOE - Notice of Exemption
Received
Posted
5/15/2023
Document Description
The Project is limited to the stabilization of a portion of the stream bank, downstream of Aikawa Pond, which is experiencing erosion due to fire and flooding that damaged the upstream dam. The Project will remove and replace the existing rock chute that conveys outflow from the pond. The new rock chute will be approximately 1,152 square feet along 72 linear feet and be contained within the footprint of the historic dam. Dam fill will also be laid back on the west end of the dam crest to reduce the steepness of the dam face and create a more natural contour to better establish native vegetation, as the current dam face is too steep and only supports non-native
annual grasses and herbaceous plants. The Project will result in new permanent impacts to approximately 22 linear feet and 62 square feet of stream and riparian habitat, and temporary impacts to approximately 0.2 acres and 172 linear feet stream and riparian habitat. No trees will be removed and all disturbed areas with the potential for erosion will be stabilized with weed-free biowattles as needed and seeded with native seed.
Contact Information
Name
Melanie Day
Agency Name
CDFW
Job Title
Senior Environmental Scientist (Supervisory)
Contact Types
Lead/Public Agency
Phone
Location
Cities
Unincorporated area
Counties
Napa
Regions
Northern California, San Francisco Bay Area
Other Location Info
The Project is located with the University of California, Davis Donald and Sylvia
McLaughlin Natural Reserve at Aikawa Pond, a man-made pond that occurs along a seasonal unnamed tributary to Hunting Creek, in the County of Napa, State of California; Latitude 38.85472°N, Longitude 122.39631°W; Assessor’s Parcel Number 015-010-014.
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15302,15333
Reasons for Exemption
The Project is limited to the repair of an existing structure and will result in negligible or no expansion of use. The Project will include reconstruction of an existing structure that will have substantially the same purpose and capacity as the replaced structure. The Project does not exceed five acres and will maintain, restore, enhance, and protect habitat for fish, plants, or wildlife.
County Clerk
Napa
Attachments
Notice of Exemption
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