Warner Dam is a concrete dam located in Chautauqua County, New York, built in 1979. It carries a Significant hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 96 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Warner Dam
The primary purpose of Warner Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nys Dec Division of Water (state). It impounds the Chadakoin River near Jamestown.
The dam stands 12 feet tall and stretches 96 feet across, creates a reservoir covering 13,421 acres, has a maximum storage capacity of 117,105 acre-feet, and collects water from a drainage area of 187 square miles. Completed in 1979, the structure is 47 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/26/2022.
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Location
| State | New York |
| County | Chautauqua |
| Nearest City | Jamestown |
| River/Stream | Chadakoin River |
| Coordinates | 42.09333, -79.24278 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 96 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 117,105 acre-ft |
| Max Storage | 117,105 acre-ft |
| Normal Storage | 50,000 acre-ft |
| Surface Area | 13,421 acres |
| Drainage Area | 187 sq mi |
| Max Discharge | 6,629 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Nys Dec Division of Water |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 07/26/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00750 |
| Federal ID | NY00750 |
| More Info | State Dam Safety Program |