Fisher Creek Detention Basin Expansion Project

Summary

SCH Number
2021110365
Lead Agency
City of Morgan Hill
Document Title
Fisher Creek Detention Basin Expansion Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Open Space
Document Description
To meet future detention and retention needs of the City in the Coyote Creek Watershed area, based upon new estimates of future rainfall load, the City desires to excavate approximately 10 feet of material out of the existing basin to increase the depth from 13.7 feet to 23.7 feet, and introduce more storage capacity. The project would excavate approximately 50,000 cubic yards (CY) of soil over the course of five weeks. This material would be excavated from the toe of the slopes, an area of roughly 2.77 acres, rendering the basin bottom 10 feet lower than the existing elevation. The proposed project would result in the removal of 56 trees on site, including 37 red willows and 19 Fremont cottonwoods. Materials from the excavation would be disposed at the Kirby Canyon Landfill or, if determined appropriate to serve as construction fill, sent to a development site in the City in need of surplus soil, which would reduce the length of trips (compared to Kirby Canyon) needed to deposit and dispose of the dirt this summer. Construction activities would occur from 7 am to 5 pm on weekdays utilizing one large excavator, one dozer, and one grader on site.

Contact Information

Name
Yat Cho
Agency Name
City of Morgan Hill
Job Title
Senior Project Manager
Contact Types
Lead/Public Agency

Location

Cities
Morgan Hill
Counties
Santa Clara
Regions
Citywide, Countywide, Northern California, San Francisco Bay Area
Cross Streets
Monterey Road
Zip
95037
Total Acres
2.77
Parcel #
726-25-028
State Highways
101
Railways
Yes
Airports
N/A
Schools
Yes
Waterways
Fisher Creek
Township
T09S
Range
R03E
Section
20

Notice of Completion

State Review Period Start
State Review Period End
Development Types
Water Facilities (Detention Basin)(Type Detention Basin, MGD 20.6)
Local Actions
Grading Permit
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Transportation, Utilities/Service Systems, Wetland/Riparian, Wildfire
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Resources Recycling and Recovery, California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB), Department of Toxic Substances Control, Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water

Attachments

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