Tobin Northrup Marsh Dam

ONAWASA CREEK· Steuben, New York· Built 1956· Earth· 10 ft tall
Low Hazard Recreation Private

Key Takeaway

Tobin Northrup Marsh Dam is classified as low hazard in New York. It was completed in 1956 and is 70 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 12.4% in NY)
Dam Length400 ft
Dam TypeEarth
Max Storage95 acre-ft
Normal Storage89 acre-ft
Surface Area31 acres
Drainage Area1 sq mi
Max Discharge2,700 cfs
Year Completed1956 (70 years old)
NID IDNY00898

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: October 27, 2008
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

CHARLES SITZENSTOCK

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tobin Northrup Marsh Dam?

Tobin Northrup Marsh 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 Tobin Northrup Marsh Dam?

Tobin Northrup Marsh Dam is owned by CHARLES SITZENSTOCK (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tobin Northrup Marsh Dam built?

Tobin Northrup Marsh Dam was completed in 1956, making it 70 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Tobin Northrup Marsh Dam?

Tobin Northrup Marsh Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tobin Northrup Marsh Dam?

Tobin Northrup Marsh Dam has a dam height of 10 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 Tobin Northrup Marsh Dam last inspected?

Tobin Northrup Marsh Dam was last inspected on October 27, 2008. 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.