Steidlmayer #3 Reservoir Report

Last Updated: December 12, 2025

Steidlmayer #3 is a privately owned dam located in Butte Sink, California, completed in 1961 for the primary purpose of water supply, specifically for irrigation and water supply.


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Summary

This earth-type dam stands at a height of 49 feet, with a hydraulic height of 43.4 feet and a length of 600 feet. It has a storage capacity of 82 acre-feet and covers a surface area of 6 acres, serving the surrounding area with water resources.

Maintained by the California Department of Water Resources and regulated by the Safety of Dams program, Steidlmayer #3 has a low hazard potential and is in satisfactory condition, as assessed in September 2017. Regular inspections ensure its safety, with the most recent inspection carried out in January 2021. Despite its age, the dam continues to provide essential water resources to the region, contributing to agricultural irrigation and general water supply needs in the area.

Located in Sutter County, California, Steidlmayer #3 plays a crucial role in water management in the region, under the oversight of state regulatory agencies. With its strategic position and reliable infrastructure, this dam remains a key asset for water resource enthusiasts and climate advocates, showcasing the importance of sustainable water supply infrastructure in supporting communities and ecosystems in California.

Year Completed

1961

Dam Length

600

Dam Height

49

River Or Stream

Unnamed

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

43.4

Drainage Area

0.44

Nid Storage

82

Hazard Potential

Low

Nid Height

49
       
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.
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