Marton Reservoir Report
Nearby: Will Government No. 1 Stock
Last Updated: December 15, 2025
Marton, located in Arvada, Wyoming, is a private dam with a primary purpose of providing fire protection, stock water, and a small fish pond.
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Summary
Built in 1963, this earth dam stands at 31 feet high and has a storage capacity of 112 acre-feet. Despite its low hazard potential, the dam is in poor condition and is inspected every five years to ensure its safety.
The Marton dam, situated along the Marton Draw river or stream, serves as a vital resource for the local community. With a surface area of 9 acres and a spillway width of 40 feet, the dam plays a crucial role in managing water flow and providing essential services to nearby residents. Although it has a moderate risk assessment rating, measures are in place to mitigate any potential hazards and ensure the safety of the structure.
Managed by the SEO in Wyoming, Marton dam is subject to state regulations, permitting, inspection, and enforcement. While it may not be a large or widely-known structure, its significance in providing water resources for fire protection and livestock demonstrates its importance in the local ecosystem. Enthusiasts of water resources and climate may find interest in the unique characteristics and challenges facing this small but essential dam in Johnson County, Wyoming.
Year Completed |
1963 |
Dam Length |
214 |
Dam Height |
31 |
River Or Stream |
MARTON DRAW |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
26 |
Nid Storage |
112 |
Structural Height |
31 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
31 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Clear Creek Near Buffalo
|
16cfs |
Powder River At Arvada
|
262cfs |
Wild Horse Creek Near Arvada
|
0cfs |
Rock Creek Near Buffalo
|
70cfs |
Piney Creek At Kearny
|
113cfs |
Nf Powder River Below Pass Creek
|
50cfs |
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.
Marton