Ed R. Levin Reservoir Report

Last Updated: December 5, 2025

Ed R.


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Summary

Levin is a significant earth dam located in Milpitas, California, completed in 1968 for water supply purposes. This dam stands at a height of 38 feet with a hydraulic height of 33 feet and a length of 470 feet. It has a storage capacity of 150 acre-feet and covers a surface area of 13 acres, serving the local community for irrigation, recreation, and water supply needs. The dam is regulated by the Department of Water Resources (DWR) and is subject to regular state inspections and enforcement to ensure its safety.

With a high hazard potential but a satisfactory condition assessment as of September 2017, Ed R. Levin dam is a crucial structure in the region's water management infrastructure. Its primary purpose of water supply highlights its importance in sustaining the surrounding ecosystem and supporting various activities dependent on reliable water sources. Located along the Tr Ar De Los Coches river, this dam plays a crucial role in managing water resources in Santa Clara County, California.

Managed by the Sacramento District of the US Army Corps of Engineers, Ed R. Levin dam is a key asset in the area's water management landscape. With its strategic location and efficient design, this earth dam not only provides critical water storage but also contributes to the overall environmental and recreational well-being of the community. As climate change continues to impact water resources, structures like Ed R. Levin are essential in ensuring sustainable water supply for future generations.

Year Completed

1968

Dam Length

470

Dam Height

38

River Or Stream

Tr Ar De Los Coches

Primary Dam Type

Earth

Surface Area

13

Hydraulic Height

33

Drainage Area

0.13

Nid Storage

150

Hazard Potential

High

Nid Height

38
       
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.