Fonda Reservoir Dam
Fonda Reservoir Dam is an earth dam located in Montgomery County, New York, built in 1972. It carries a Significant hazard potential classification and has a poor condition assessment.
About Fonda Reservoir Dam
The primary purpose of Fonda Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Village Of Fonda (local government). It impounds the Tr-briggs Run near Fonda.
The dam stands 26 feet tall and stretches 600 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 61 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1972, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 03/27/2025.
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Location
| State | New York |
| County | Montgomery |
| Nearest City | Fonda |
| River/Stream | Tr-briggs Run |
| Coordinates | 42.93864, -74.45514 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 600 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 56 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | VILLAGE OF FONDA |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 03/27/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00268 |
| Federal ID | NY00268 |
| More Info | State Dam Safety Program |