Wiltse Dam

EIGHTMILE CREEK· Oswego, New York· Concrete· 13 ft tall
Low Hazard Flood Risk Reduction Recreation Not Listed

Key Takeaway

Wiltse Dam is classified as low hazard in New York. Its primary use is flood risk reduction.

Physical Details

Dam Height 13 ft (taller than 29.9% in NY)
Dam Length50 ft
Dam TypeConcrete
Max Storage109 acre-ft
Normal Storage39 acre-ft
Surface Area16 acres
Drainage Area2 sq mi
Max Discharge661 cfs
NID IDNY14139

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: December 31, 1901
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

CARL N WILTSE

Not Listed

Nearby Dams

Hannibal Dam

Oswego, NY

Significant Hazard 10 ft

Earl Mitchelson Dam

Oswego, NY

Low Hazard 7 ft

State University College At Oswego Dam

Oswego, NY

Low Hazard 8 ft

Marion Teachout Wildlife Marsh Dam

Cayuga, NY

Low Hazard 9 ft

Varick Lock & Dam 7

Oswego, NY

Significant Hazard 14 ft

City of Oswego Dam

Oswego, NY

Low Hazard 21 ft

High Dam

Oswego, NY

High Hazard 35 ft

Minetto Lock & Dam 5

Oswego, NY

High Hazard 23 ft

Frequently Asked Questions

What is the hazard classification of Wiltse Dam?

Wiltse Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Wiltse Dam?

Wiltse Dam is owned by CARL N WILTSE (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Wiltse Dam?

Wiltse Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Wiltse Dam?

Wiltse Dam has a dam height of 13 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Wiltse Dam last inspected?

Wiltse Dam was last inspected on December 31, 1901. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.