East Yellow Creek W-43 Reservoir Report
Last Updated: December 22, 2025
East Yellow Creek W-43 is a flood risk reduction structure located in Linn, Missouri, managed by the local government with design by USDA NRCS.
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Summary
Completed in 2010, this earth dam stands at 28.3 feet in height and spans 515 feet in length, with a primary purpose of flood risk reduction along the tributary of Winigan Creek. The dam has a storage capacity of 109.9 acre-feet and serves a drainage area of 320 acres, with a maximum discharge of 224.9 cubic feet per second.
With a low hazard potential and a moderate risk assessment score of 3, East Yellow Creek W-43 is a vital infrastructure for mitigating flood risks in the area. The dam features an uncontrolled spillway with a width of 32 feet and has not been rated for condition assessment. Despite its relatively small surface area of 7 acres, the dam plays a crucial role in protecting the surrounding community from potential inundation events. As an essential component of the local flood control system, East Yellow Creek W-43 serves as a key resource for water resource and climate enthusiasts interested in sustainable water management practices.
Year Completed |
2010 |
Dam Length |
515 |
Dam Height |
28.3 |
River Or Stream |
TRIB. WINIGAN CREEK |
Primary Dam Type |
Earth |
Surface Area |
7 |
Hydraulic Height |
27 |
Drainage Area |
320 |
Nid Storage |
109.9 |
Structural Height |
40 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
40 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Locust Creek Near Linneus
|
36cfs |
Chariton River At Novinger
|
102cfs |
Long Branch Creek Near Atlanta
|
0cfs |
East Fork Little Chariton R. Nr Macon
|
11cfs |
Medicine Creek Near Laredo
|
19cfs |
Grand River Near Sumner
|
215cfs |
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 W-43