Hapgood Lake Dam Reservoir Report

Last Updated: December 5, 2025

Hapgood Lake Dam, located in Clay County, Texas, was completed in 1963 and serves multiple purposes including fire protection, stock, and as a small fish pond.


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Summary

This private earth dam stands at a height of 21 feet with a length of 520 feet, providing a storage capacity of 210 acre-feet. Despite its small size, the dam plays a crucial role in managing water resources in the region, particularly for fire protection and agriculture.

The dam, situated on the East Fork Little Wichita River, is owned privately and falls under state jurisdiction for permitting and inspection. While it has no spillway, the dam is equipped with one outlet gate. With a high hazard potential and a risk assessment rating of 2, the dam is in need of proper risk management measures to ensure its structural integrity and the safety of downstream communities. Water resource and climate enthusiasts would find Hapgood Lake Dam an intriguing case study in the management of small-scale water infrastructure in rural Texas.

Overall, Hapgood Lake Dam serves as a reminder of the importance of maintaining and managing water resources, especially in regions prone to droughts and wildfires. Its modest size belies its significant role in providing essential services to the local community, highlighting the interconnectedness of water infrastructure with the broader challenges of climate change and environmental sustainability. Its history, design, and current risk assessment make it a compelling subject for further study and reflection on the intersection of water resources and climate resilience.

Year Completed

1963

Dam Length

520

Dam Height

21

River Or Stream

TR-EAST FORK LITTLE WICHITA R

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

21

Nid Storage

210

Structural Height

21

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

21
       
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.