Rolls Dam Reservoir Report

Last Updated: December 17, 2025

Rolls Dam, located in Randolph County, Missouri, was completed in 1999 by the USDA NRCS and serves multiple purposes including fire protection, stock, and small fish pond.


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Summary

This private dam, standing at 30 feet high with a hydraulic height of 23 feet, has a storage capacity of 85 acre-feet and covers a surface area of 6 acres. The dam, made of earth with a stone core and soil foundation, spans 800 feet along TR-Sugar Creek.

Despite being classified as having a low hazard potential, Rolls Dam has a moderate risk assessment due to its location and design. The uncontrolled spillway, with a width of 10 feet, can handle a maximum discharge of 12.8 cubic feet per second. The dam has not been inspected since its completion in 1999 and is currently in a not-rated condition. While there are no associated structures or outlet gates, the dam serves as a crucial water resource for fire protection and agricultural purposes in the area.

In the realm of water resource and climate enthusiasts, Rolls Dam stands as a testament to the importance of small-scale water infrastructure for rural communities. As a private dam with no state jurisdiction or regulation, the dam provides essential services while highlighting the need for ongoing maintenance and inspection to ensure its continued safety and functionality. With its strategic location and multiple purposes, Rolls Dam plays a vital role in managing water resources and supporting local ecosystems in Randolph County, Missouri.

Year Completed

1999

Dam Length

800

Dam Height

25

River Or Stream

TR-SUGAR CREEK

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

23

Drainage Area

294.4

Nid Storage

85

Structural Height

30

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

30
       
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.