East Fork Big Cr Watershed Site E-6 Reservoir Report
Last Updated: December 11, 2025
Located in Lamoni, Iowa, the East Fork Big Cr Watershed Site E-6 is a vital resource managed by the local government and designed by the USDA NRCS.
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Summary
This site plays a crucial role in fire protection, stock, and small fish pond purposes, as well as flood risk reduction. Completed in 1995, the earth dam stands at 24 feet high and spans 660 feet, with a storage capacity of 198 acre-feet and a drainage area of 0.65 square miles.
With a low hazard potential and a moderate risk assessment rating, the East Fork Big Cr Watershed Site E-6 is regulated by the Iowa DNR and undergoes regular inspection, permitting, and enforcement. The dam serves as a key component in managing water resources in the region, with its primary function being to protect against fires, support agricultural activities, and mitigate flood risks. Despite its critical role, the structure is currently not rated for its condition assessment.
This site, situated along the TR- East Fork Big Creek, is a testament to the collaborative efforts between local and federal agencies to safeguard water resources and address climate-related challenges. As water resource and climate enthusiasts, understanding and supporting the management of sites like East Fork Big Cr Watershed Site E-6 is essential in ensuring the sustainability and resilience of our natural ecosystems in the face of changing environmental conditions.
Year Completed |
1995 |
Dam Length |
660 |
Dam Height |
24 |
River Or Stream |
TR- EAST FORK BIG CREEK |
Primary Dam Type |
Earth |
Surface Area |
10.9 |
Drainage Area |
0.65 |
Nid Storage |
198 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
East Fork Big Cr Watershed Site E-6