Grassi-Corini-Grandolf Dam

TR-MERRILL CREEK· Cortland, New York· Built 1973· Earth· 15 ft tall
Low Hazard Recreation Not Listed

Key Takeaway

Grassi-Corini-Grandolf Dam is classified as low hazard in New York. It was completed in 1973 and is 53 years old. Its primary use is recreation.

Physical Details

Dam Height 15 ft (taller than 37.1% in NY)
Dam Length100 ft
Dam TypeEarth
Max Storage518 acre-ft
Normal Storage370 acre-ft
Surface Area37 acres
Drainage Area1 sq mi
Max Discharge442 cfs
Year Completed1973 (53 years old)
NID IDNY01082

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: May 7, 1997
State Regulated: Yes
Regulatory Agency: NYS DEC

Ownership

JOHN GEORGE

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grassi-Corini-Grandolf Dam?

Grassi-Corini-Grandolf 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 Grassi-Corini-Grandolf Dam?

Grassi-Corini-Grandolf Dam is owned by JOHN GEORGE (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grassi-Corini-Grandolf Dam built?

Grassi-Corini-Grandolf Dam was completed in 1973, making it 53 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 Grassi-Corini-Grandolf Dam?

Grassi-Corini-Grandolf 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 Grassi-Corini-Grandolf Dam?

Grassi-Corini-Grandolf Dam has a dam height of 15 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 Grassi-Corini-Grandolf Dam last inspected?

Grassi-Corini-Grandolf Dam was last inspected on May 7, 1997. 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.