Dam No 4 Reservoir Report

Nearby: Dam 2 Dam 1

Last Updated: December 6, 2025

Located in Greenwood County, Kansas, Dam No 4 is a private earth dam designed by the Soil Conservation Service (SCS) with a primary purpose of fire protection, stock, or small fish pond.


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Summary

Standing at 24 feet high and 100 feet long, this dam has a storage capacity of 100.8 acre-feet and serves the West Branch Fall River. Despite its low hazard potential, Dam No 4 has not been rated for its condition and lacks regular inspections and state regulation.

The dam, owned by a private entity, does not fall under state jurisdiction, permitting, inspection, or enforcement. It is not associated with any federal agency for funding, design, construction, regulation, inspection, or operation. The dam lacks outlet gates and associated structures, making it a standalone structure serving the local community for fire protection and recreational purposes. With a drainage area of 0.39 square miles and a surface area of 6 acres, Dam No 4 plays a vital role in water resource management in the region.

While Dam No 4 may not be a high-risk structure, its importance in providing water for firefighting and stock purposes cannot be understated. As climate change continues to impact water resources, the maintenance and monitoring of dams like Dam No 4 become crucial in ensuring the resilience of local water systems. For water resource and climate enthusiasts, understanding the role of small dams like Dam No 4 in the broader context of water management and climate adaptation efforts is essential for sustainable resource allocation and conservation.

Dam Length

100

Dam Height

24

River Or Stream

WEST BRANCH FALL RIVER

Primary Dam Type

Earth

Surface Area

6

Drainage Area

0.39

Nid Storage

100.8

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

24
       
Seasonal Comparison

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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.