Orr Creek Reservoir Cleaning and Infrastructure Improvement Project

Summary

SCH Number
2018112074
Lead Agency
Nevada Irrigation District
Document Title
Orr Creek Reservoir Cleaning and Infrastructure Improvement Project
Document Type
MND - Mitigated Negative Declaration
Received

Document Description
Orr Creek Reservoir is located just north of the city of Auburn, Placer County, CA, on District-owned property (approx 30 acres). Since the Orr Creek Dam was constructed, silt and sediment have deposited in the reservoir, resulting in a significant reduction in its water storage capacity from the designed 27 acre-ft to an estimated current capacity of 3-4 acre feet. The District proposes to a) remove an estimated 10,000 cubic yards of accumulated sediment from the reservoir and restore a portion of its original 27 acre-ft of storage capacity; b) repair and improve the dam infrastructure including repairing cracks that have formed in the concrete dam structure; c) replace and realign the diversion pipe to the Gold Hill I Canal to increase efficiency and improve access for the District personnel; and d) add a low-level outlet at the base of the dam through which water could be released downstream into Orr Creek to maintain the storage capacity of the dam and improve downstream aquatic habitats. Therefore, the purpose of the project is to improve the efficiency of the District's raw water delivery systems by restoring the storage capacity of the reservoir and improving the reliability and safety of the associated dam and water delivery infrastructure.

Contact Information
Gary D. King
Nevada Irrigation District
1036 W. Main Street
Grass Valley, CA 95945

(530) 273-6185

Location

Coordinates
38°58'55.2"N 121°07'10.2"W
Cities
Auburn
Counties
Placer
Cross Streets
Lorenson Rd/Edwards Lane
Zip
95602
Total Acres
30
Parcel #
076-010-003-000, -013-000
State Highways
49
Waterways
Orr Creek, Orr Creek Reservoir, Gold Hill I Canal
Township
13N
Range
8E
Section
18
Base
MDBLM

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (Sediment management/infrastructure improvement)
Local Action
Other Action Other Action: IS-MND
Project Issues
Landuse Water Quality Vegetation Traffic/Circulation Toxic/Hazardous Schools/Universities Recreation/Parks Public Services Population/Housing Balance Noise Minerals Geologic/Seismic Biological Resources Archaeologic-Historic Air Quality Agricultural Land Aesthetic/Visual
Reviewing Agencies
Regional Water Quality Control Bd., Region 5 (Sacramento) California Department of Parks and Recreation California Highway Patrol Caltrans, District 3 N Central Valley Flood Protection Board Department of Fish and Wildlife, Region 2 Department of Water Resources Native American Heritage Commission Office of Historic Preservation Resources Agency State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Drinking Water, District 2 State Water Resources Control Board, Division of Water Quality State Water Resources Control Board, Divison of Financial Assistance
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