East Yellow Creek S- 47 Reservoir Report
Last Updated: December 16, 2025
East Yellow Creek S- 47, located in Linn, Missouri, is a flood risk reduction structure designed by the USDA NRCS and completed in 2004.
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Summary
This earth dam stands at a height of 25.4 feet with a structural height of 27 feet and a hydraulic height of 17 feet, providing a normal storage capacity of 31.5 acre-feet and a maximum storage of 110.7 acre-feet. With a spillway width of 30 feet and a maximum discharge of 209.4 cubic feet per second, this dam on the TR-Sights Branch river plays a crucial role in managing water levels and protecting the surrounding area from flooding.
Despite its low hazard potential, East Yellow Creek S- 47 is regularly inspected to ensure its structural integrity and functionality. The dam has not been rated for its condition assessment, but it meets moderate risk levels with a risk rating of 3. While there are no associated structures or outlets gates, this dam serves as a vital asset in the region's water resource management efforts. With a drainage area of 172.8 square miles and a surface area of 6 acres, this structure is essential for mitigating flood risks and safeguarding the community against potential water-related hazards.
Owned and operated by the local government, East Yellow Creek S- 47 demonstrates the collaborative efforts between state and federal agencies in protecting the environment and enhancing water resource sustainability. With its stone core and soil foundation, this dam stands as a testament to the importance of comprehensive flood risk reduction strategies. As climate change continues to impact water resources, structures like East Yellow Creek S- 47 play a crucial role in ensuring resilience and adaptability in the face of evolving climate patterns.
Year Completed |
2004 |
Dam Length |
725 |
Dam Height |
25.4 |
River Or Stream |
TR-SIGHTS BRANCH |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
17 |
Drainage Area |
172.8 |
Nid Storage |
110.7 |
Structural Height |
27 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
27 |
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 Yellow Creek S- 47