East Yellow Creek H- 25 Reservoir Report
Last Updated: December 12, 2025
East Yellow Creek H-25, also known as Site H-25, is a local government-owned earth dam located in Rothville, Missouri.
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Summary
Completed in 1998 by the USDA NRCS, this structure serves primarily for flood risk reduction along the Hamilton Branch of the Rock Island District. Standing at a height of 28 feet with a hydraulic height of 27 feet, East Yellow Creek H-25 has a storage capacity of 159 acre-feet and covers a surface area of 6 acres.
With a moderate hazard potential and a low hazard rating, East Yellow Creek H-25 has not been rated for its condition assessment. The dam features an uncontrolled spillway with a width of 30 feet and no outlet gates. Although it has not been inspected since June 1999, the structure is designed to handle a maximum discharge of 252 cubic feet per second. Despite its lack of state regulation and enforcement, East Yellow Creek H-25 plays a crucial role in flood protection and serves multiple purposes including fire protection, stock or small fish pond, fish and wildlife pond, in addition to flood risk reduction.
As a key infrastructure for water resource management, East Yellow Creek H-25 provides valuable flood protection measures in the region. Its construction by the Natural Resources Conservation Service reflects a commitment to enhancing water management practices. With its significance in reducing flood risks and supporting various ecological functions, East Yellow Creek H-25 stands as a vital asset for climate and water resource enthusiasts in Linn County, Missouri.
Year Completed |
1998 |
Dam Length |
40 |
Dam Height |
28 |
River Or Stream |
HAMILTON BRANCH |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
27 |
Drainage Area |
215 |
Nid Storage |
159 |
Structural Height |
33 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |
Seasonal Comparison
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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 H- 25