Tiger Creek Regulator Dam Spillway Replacement Project

Summary

SCH Number
2024010525
Lead Agency
State Water Resources Control Board
Document Title
Tiger Creek Regulator Dam Spillway Replacement Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Timberland Preserve (Timber Production Zone)
Document Description
On November 22, 2023, Pacific Gas and Electric Company (PG&E) submitted a request for a water quality certification for the Tiger Creek Regulator Dam Spillway Replacement Project (Project). The Tiger Creek Regulator Dam is a part of PG&E’s Mokelumne River Hydroelectric Project (Federal Energy Regulatory Commission Project 137). The Project consists of a new spillway intake (crest structure), notch through the existing dam, new concrete chute, new flip bucket splitter blocks, and new plunge pool. Other associated features include a permanent access road, a temporary access road, cofferdams, new log boom and anchor blocks, lighting on the dam, and abandonment of the existing spillway. The Project is in Amador County approximately 24 miles from Jackson, CA.

Contact Information

Name
Eric Bradbury
Agency Name
State Water Resources Control Board
Job Title
Environmental Scientist
Contact Types
Lead/Public Agency

Location

Cities
Jackson
Counties
Amador
Regions
Countywide, Northern California, Statewide
Cross Streets
Tiger Creek Road and Salt Springs Road
State Highways
SR 88
Schools
Pioneer Montessori School
Waterways
Tiger Creek, North Fork Mokelumne River
Township
7
Range
14E
Section
8

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Water Resources (DWR), California Energy Commission, California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California State Lands Commission (SLC), Central Valley Flood Protection Board, Department of Toxic Substances Control, Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Quality, California Department of Transportation, District 10 (DOT), California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California Department of Fish and Wildlife, North Central Region 2 (CDFW)
State Reviewing Agency Comments
California Department of Transportation, District 10 (DOT), California Regional Water Quality Control Board, Central Valley Sacramento Region 5 (RWQCB), California Department of Fish and Wildlife, North Central Region 2 (CDFW)
Development Types
Power:Hydroelectric (Megawatts 206)
Local Actions
CWA 401 certification
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cumulative Effects, Economics/Jobs, Energy, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation, Wetland/Riparian, Wildfire
Local Review Period Start
Local Review Period End

Attachments

Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from state reviewing agencies]
State Comment Letters [Comments from State Reviewing Agency(ies)]

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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