Upper Warwick Dam is an earth dam located in Orange County, New York, built in 1912. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 525 ft long, taller than 86% 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 Upper Warwick Dam
The primary purpose of Upper Warwick 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 Warwick (local government). It impounds the Tr-wawayanda Creek near Warwick.
The dam stands 40 feet tall and stretches 525 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1912, the structure is over a century old.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/01/2023.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | New York |
| County | Orange |
| Nearest City | Warwick |
| River/Stream | Tr-wawayanda Creek |
| Coordinates | 41.22889, -74.36083 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 525 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 74 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Village of Warwick |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/01/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00063 |
| Federal ID | NY00063 |
| More Info | State Dam Safety Program |