Bacon Creek Watershed Site J-4 Reservoir Report

Last Updated: December 13, 2025

Bacon Creek Watershed Site J-4, located in Woodbury County, Iowa, is a low hazard potential earth dam completed in 1985 by the USDA NRCS.


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Summary

This site plays a crucial role in water resource management, with a drainage area of 0.52 square miles and a storage capacity of 61 acre-feet. Despite its relatively small size, this dam serves an important purpose in flood control and water storage for the region.

Managed by the local government and regulated by the Iowa DNR, Bacon Creek Watershed Site J-4 has been deemed to have a moderate risk level. With a spillway type of uncontrolled and a structural height of 20 feet, this dam has not been rated for its condition assessment, indicating a need for further evaluation. The site's proximity to the TR- Floyd River highlights its significance in the overall watershed management strategy for the area, making it a key location for water resource and climate enthusiasts to monitor and study.

Year Completed

1985

Dam Length

450

Dam Height

20

River Or Stream

TR- FLOYD R.

Primary Dam Type

Earth

Surface Area

3

Drainage Area

0.52

Nid Storage

61

Hazard Potential

Low

Foundations

Soil

Nid Height

20
       
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.