Panther Creek Watershed Dam G- 1 Reservoir Report
Last Updated: December 12, 2025
Panther Creek Watershed Dam G- 1, located in the city of Mt.
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Summary
Moriah, Missouri, is a critical piece of infrastructure designed by the USDA NRCS in 1975 for the primary purpose of flood risk reduction along the Panther Creek stream. This earth dam stands at a height of 27 feet and spans a length of 640 feet, with a capacity to store up to 347 acre-feet of water. Despite its low hazard potential, the dam plays a vital role in protecting the surrounding area from potential flooding events.
With a drainage area of 210 acres and a maximum discharge capacity of 496 cubic feet per second, Panther Creek Watershed Dam G- 1 serves as a key defense against flooding in Harrison County, Missouri. The dam's uncontrolled spillway, with a width of 40 feet, helps regulate water flow during heavy rainfall events to prevent downstream flooding and protect communities along Panther Creek. While it currently holds a moderate risk rating of 3, the dam has not undergone a formal condition assessment and is classified as "Not Rated", highlighting the need for continued monitoring and maintenance to ensure its long-term effectiveness in flood risk reduction.
Despite its age, Panther Creek Watershed Dam G- 1 remains a crucial component of the local flood control infrastructure in Harrison County. With a storage capacity of 347 acre-feet and a normal storage level of 66 acre-feet, the dam plays a vital role in safeguarding the surrounding area from potential flood events. As climate change continues to impact precipitation patterns and increase the frequency of extreme weather events, the importance of maintaining and upgrading dams like Panther Creek Watershed Dam G- 1 will only grow, ensuring the safety and resilience of communities in the face of a changing climate.
Year Completed |
1975 |
Dam Length |
640 |
Dam Height |
27 |
River Or Stream |
TR-PANTHER CREEK |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
27 |
Drainage Area |
210 |
Nid Storage |
347 |
Structural Height |
29 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
29 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
East Fork Big Creek Near Bethany
|
4cfs |
Thompson River At Davis City
|
22cfs |
Thompson River At Trenton
|
143cfs |
Grand River Near Gallatin
|
76cfs |
Medicine Creek Near Laredo
|
20cfs |
Grand River At Chillicothe
|
361cfs |
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.
Panther Creek Watershed Dam G- 1