Oakhurst Wastewater Treatment Reservoir Report

Last Updated: December 5, 2025

Located in Oakhurst, California, the Oakhurst Wastewater Treatment facility is a vital infrastructure owned and operated by the local government.


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Summary

With a primary purpose of flood risk reduction, the facility plays a crucial role in managing the water resources in the area. Completed in 2005, this earth dam stands at a height of 60 feet and has a storage capacity of 110 acre-feet, serving as a key component in protecting the surrounding community from potential water-related hazards.

Situated along the Tr Fresno River, the Oakhurst Wastewater Treatment facility is regulated and permitted by the state of California, ensuring that it meets strict inspection and enforcement standards. Despite its significant hazard potential, the dam is deemed to be in satisfactory condition based on a 2017 assessment. With a drainage area of 0.01 square miles and a surface area of 6.96 acres, the facility not only safeguards the local environment but also contributes to the overall water management efforts in the region.

With its strategic location and state-of-the-art design, the Oakhurst Wastewater Treatment facility serves as a critical piece of infrastructure for water resource and climate enthusiasts. As part of the flood risk reduction strategy, this earth dam plays a pivotal role in protecting the community of Oakhurst and ensuring the safe and sustainable management of water resources in Madera County, California.

Year Completed

2005

Dam Length

2150

Dam Height

60

River Or Stream

Tr Fresno River

Primary Dam Type

Earth

Surface Area

6.96

Hydraulic Height

56

Drainage Area

0.01

Nid Storage

110

Hazard Potential

Significant

Nid Height

60
       
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.