Guymard Lake Dam is an earth dam located in Orange County, New York, built in 1858. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 35 ft35 ft tall and 175 ft long, taller than 80% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Guymard Lake Dam
The primary purpose of Guymard Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Grace Woodard;lake Guymard Holding Corp;mildred Fields Revocable Trust;town of Mount Hope (private). It impounds the Tr-neversink River near Huguenot.
The dam stands 35 feet tall and stretches 175 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 600 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1858, the structure is one of the older dams in the region, with over a century and a half of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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 10/11/2022.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | New York |
| County | Orange |
| Nearest City | Huguenot |
| River/Stream | Tr-neversink River |
| Coordinates | 41.43194, -74.59583 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 175 ft |
| Year Completed | 1858 (168 years old) |
Storage & Hydraulics
| NID Storage | 600 acre-ft |
| Max Storage | 600 acre-ft |
| Normal Storage | 467 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Grace Woodard;lake Guymard Holding Corp;mildred Fields Revocable Trust;town of Mount Hope |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 10/11/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY01219 |
| Federal ID | NY01219 |
| More Info | State Dam Safety Program |