Hell Hole Seasonal Storage Increase Improvement (Streambed Alteration Agreement EPIMS Notification No. PLA-54850-R2)
21 Documents in Project
Summary
SCH Number
2012082046
Lead Agency
Placer County Water Agency
Document Title
Hell Hole Seasonal Storage Increase Improvement (Streambed Alteration Agreement EPIMS Notification No. PLA-54850-R2)
Document Type
NOD - Notice of Determination
Received
Posted
3/14/2025
Document Description
The California Department of Fish and Wildlife (CDFW) has executed Streambed Alteration Agreement EPIMS Notification Number PLA-54850-R2, pursuant to section 1602 of the Fish and Game Code to the project Applicant, Placer County Water Agency, as represented by Ben Ransom.
The project is limited to the modification of the existing Hell Hole Spillway to allow for storage of additional water in Hell Hole Reservoir during the spring and summer after the peak runoff period. The Project will include a structural modification of the existing spillway structure including partial demolition, abutment modifications, and addition of an intermediate pier. Twenty-three Obermeyer pneumatically controlled overflow crest gates will be installed across the existing ogee crest structure. Support facilities will be constructed on the crest structure’s left abutment and outside of the Ordinary High Water Mark.
Contact Information
Name
Alyssa Obester
Agency Name
California Department of Fish and WIldlife
Job Title
OOC
Contact Types
Responsible Agency
Phone
Name
Ben Ransom
Agency Name
Placer County Water Agency
Contact Types
Lead/Public Agency
Phone
Email
Location
Coordinates
Counties
Placer
Regions
Northern California
Waterways
Hell Hole Reservoir and the Rubicon River
Other Location Info
The project is located at Hell Hole Reservoir and the Rubicon River, in the County of Placer, State of California; Latitude 39.05800, Longitude -120.40900 (WGS 84 datum, decimal degrees). The elevation of the Project is approximately 4,630 feet above mean sea level.
Notice of Determination
Approving Agency
California Department of Fish and Wildlife
Approving Agency Role
Responsible Agency
Approved On
County Clerk
Placer
Final Environmental Document Available at
CDFW's regional office
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
Yes
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
No
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
No
(4) A mitigation reporting or monitoring plan was adopted for this project
No
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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