Little Paint Creek Watershed Site 206a Reservoir Report

Last Updated: December 5, 2025

Located in Allamakee County, Iowa, the Little Paint Creek Watershed Site 206a is a state-regulated dam designed by the USDA NRCS with a primary purpose of flood risk reduction.


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Summary

Completed in 2005, this earth dam stands at a height of 42 feet and has a length of 350 feet, providing a maximum storage capacity of 143 acre-feet. The dam is situated on the TR-Little Paint Creek, within the St. Paul District of Iowa.

With a low hazard potential and a moderate risk assessment rating of 3, the condition of the dam is currently not rated. Despite its low hazard potential, the dam remains under state jurisdiction, permitting, inspection, and enforcement by the Iowa DNR. The spillway type is uncontrolled with a width of 26 feet, and the dam serves a drainage area of 0.24 square miles. As an essential structure for flood risk reduction in the area, the Little Paint Creek Watershed Site 206a plays a crucial role in managing water resources and climate impacts in the region, ensuring the safety and protection of local communities from potential flooding events.

Year Completed

2005

Dam Length

350

Dam Height

42

River Or Stream

TR-Little Paint Creek

Primary Dam Type

Earth

Surface Area

4

Drainage Area

0.24

Nid Storage

143

Hazard Potential

Low

Foundations

Soil

Nid Height

42
       
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.