Troublesome Creek Watershed Dam S- 96 Reservoir Report
Last Updated: December 6, 2025
Located in Nelsonville, Missouri, the Troublesome Creek Watershed Dam S-96 is a vital structure designed by USDA NRCS to mitigate flood risk along the TR-Troublesome Creek.
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Summary
Completed in 1987, this earth dam stands at a height of 25 feet and spans 420 feet, providing a storage capacity of 56 acre-feet for the surrounding area. With a moderate risk assessment rating, the dam's spillway type is uncontrolled with a width of 20 feet, ensuring efficient water discharge during periods of high flow.
Owned by the local government, Troublesome Creek Watershed Dam S-96 serves as a critical flood risk reduction infrastructure in Marion County, Missouri. Despite its low hazard potential, the dam's condition assessment remains unrated, highlighting the need for regular inspections and maintenance. With a drainage area of 590 acres and a normal storage capacity of 16 acre-feet, the dam plays a crucial role in managing water levels and protecting downstream communities from potential flooding events.
As part of the Rock Island District, Troublesome Creek Watershed Dam S-96 operates under the guidance of the Natural Resources Conservation Service, reflecting a collaborative effort to safeguard the region's water resources. While the dam's emergency action plan status and risk management measures are currently unspecified, its strategic location and design underscore its significance in enhancing water resource management and climate resiliency in the area.
Year Completed |
1987 |
Dam Length |
420 |
Dam Height |
25 |
River Or Stream |
TR-TROUBLESOME CREEK |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
25 |
Drainage Area |
590 |
Nid Storage |
56 |
Structural Height |
26 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
26 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
South Fabius River Near Taylor
|
12cfs |
North River At Palmyra
|
21cfs |
Wyaconda River Above Canton
|
13cfs |
Salt River Near Shelbina
|
30cfs |
Salt River At Hagers Grove
|
1cfs |
Bear Creek At Hannibal
|
2cfs |
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.
Troublesome Creek Watershed Dam S- 96