Jackson Meadows Reservoir Report

Last Updated: December 5, 2025

Jackson Meadows is an impressive water resource in California, serving multiple purposes including hydroelectric power generation, irrigation, recreation, and water supply.


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Summary

Owned by a public utility, this earth dam on the Middle Yuba River was completed in 1965 and stands at a height of 196 feet, with a storage capacity of 69,200 acre-feet. The dam's spillway, with a width of 90 feet, is designed to handle a maximum discharge of 20,000 cubic feet per second.

Managed by the Federal Energy Regulatory Commission, Jackson Meadows has a high hazard potential and a very high risk assessment rating. Despite its condition assessment being unavailable, the dam is regularly inspected by state and federal agencies to ensure safety and compliance with regulations. Its location in the Nevada County of California, amidst stunning natural surroundings, makes it a key player in water management and conservation efforts in the region.

Water resource and climate enthusiasts can appreciate the engineering marvel of Jackson Meadows, designed by Ebasco Services, Inc., and its crucial role in providing water for various purposes in the area. The dam's association with the Federal Energy Regulatory Commission ensures that it adheres to strict operational and safety standards, contributing to the sustainable management of water resources in California. With its significant storage capacity and strategic location on the Middle Yuba River, Jackson Meadows remains an essential infrastructure for water supply security and environmental conservation in the region.

Year Completed

1965

Dam Length

1630

Dam Height

196

River Or Stream

Middle Yuba River

Primary Dam Type

Earth

Surface Area

1710

Hydraulic Height

195.5

Drainage Area

37

Nid Storage

69200

Structural Height

205

Outlet Gates

Tainter (radial) - 3

Hazard Potential

High

Foundations

Rock

Nid Height

205
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.