East Yellow Creek W- 38 Reservoir Report
Last Updated: December 12, 2025
East Yellow Creek W-38, also known as Site W-38, is a flood risk reduction structure located in Rothville, Missouri.
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Summary
Designed by the USDA NRCS and completed in 1999, this earth dam stands at a height of 32 feet and has a hydraulic height of 31 feet. With a capacity to store 76 acre-feet of water, this structure serves multiple purposes including fire protection, stock or small fish pond, fish and wildlife pond, and flood risk reduction for the surrounding area.
Situated on Winnegan Creek in Linn County, Missouri, East Yellow Creek W-38 covers a surface area of 5 acres and has a drainage area of 192 acres. Despite its low hazard potential, the dam has a moderate risk assessment rating. The spillway of this uncontrolled structure is 20 feet wide, allowing for a maximum discharge of 148 cubic feet per second. The dam is not regulated or inspected by the state, and its condition assessment is currently listed as "Not Rated".
Although East Yellow Creek W-38 may not be under state jurisdiction, its role in flood risk reduction and water storage for the local community cannot be understated. With its strategic location and design, this earth dam continues to provide valuable benefits to the surrounding area while offering a glimpse into the intricate network of water resource management in Missouri.
Year Completed |
1999 |
Dam Length |
390 |
Dam Height |
32 |
River Or Stream |
WINNEGAN CREEK |
Primary Dam Type |
Earth |
Surface Area |
5 |
Hydraulic Height |
31 |
Drainage Area |
192 |
Nid Storage |
76 |
Structural Height |
33 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |
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 W- 38