Lloyd Sutton Dam Reservoir Report
Last Updated: January 11, 2026
The Lloyd Sutton Dam, located in Crains Mills, New York, is a privately owned structure built in 1968 for fire protection, stock, and small fish pond purposes.
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Summary
This earth dam stands at a height of 12 feet and spans a length of 1590 feet, with a storage capacity of 50 acre-feet. Situated on TR-DOG HOLLOW CREEK, the dam is regulated by the NYS DEC and is classified as having a significant hazard potential.
Despite its modest size, the Lloyd Sutton Dam plays a crucial role in water resource management and recreation in Cortland County. With a spillway width of 46 feet and a maximum discharge of 132 cubic feet per second, the dam ensures controlled water flow and serves as a vital asset for the community. As climate change continues to impact water resources, the Lloyd Sutton Dam stands as a testament to human ingenuity in balancing the needs of both nature and society.
Year Completed |
1968 |
Dam Length |
1590 |
Dam Height |
12 |
River Or Stream |
TR-DOG HOLLOW CREEK |
Primary Dam Type |
Earth |
Surface Area |
8 |
Drainage Area |
0.08 |
Nid Storage |
50 |
Hazard Potential |
Significant |
Nid Height |
12 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Otselic River At Cincinnatus Ny
|
905cfs |
Tioughnioga River At Cortland Ny
|
1640cfs |
Onondaga Creek Near Cardiff Ny
|
8cfs |
Onondaga Cr At Dorwin Ave.
|
421cfs |
Chenango River At Sherburne Ny
|
1210cfs |
Chittenango Creek Near Chittenango Ny
|
470cfs |
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.
Lloyd Sutton Dam