Cold Brook Reservoir Dam
Cold Brook Reservoir Dam is an earth dam located in Fulton County, New York, built in 1878. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Cold Brook Reservoir Dam
The primary purpose of Cold Brook 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 City Of Johnstown Water Board (local government). It impounds the Cold Brook near Johnstown.
The dam stands 18 feet tall and stretches 135 feet across, creates a reservoir covering 1 acres, and has a maximum storage capacity of 6 acre-feet. Completed in 1878, the structure is over a century 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/20/2023.
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Location
| State | New York |
| County | Fulton |
| Nearest City | Johnstown |
| River/Stream | Cold Brook |
| Coordinates | 43.02972, -74.42833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 135 ft |
| Year Completed | 1878 (148 years old) |
Storage & Hydraulics
| NID Storage | 6 acre-ft |
| Max Storage | 6 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 1 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF JOHNSTOWN WATER BOARD |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/20/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY12843 |
| Federal ID | NY12843 |
| More Info | State Dam Safety Program |