Medway Dam
Medway Dam is an earth dam located in Greene County, New York, built in 1967. It carries a Significant hazard potential classification and has a poor condition assessment.
About Medway Dam
The primary purpose of Medway 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 Coxsackie (local government). It impounds the Tr-coxsackie Creek near Medway.
The dam stands 30 feet tall and stretches 1,950 feet across, creates a reservoir covering 95 acres, has a maximum storage capacity of 370 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, 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 05/20/2024.
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Location
| State | New York |
| County | Greene |
| Nearest City | Medway |
| River/Stream | Tr-coxsackie Creek |
| Coordinates | 42.40417, -73.87972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,950 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 370 acre-ft |
| Max Storage | 370 acre-ft |
| Normal Storage | 275 acre-ft |
| Surface Area | 95 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,240 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | VILLAGE OF COXSACKIE |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 05/20/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00125 |
| Federal ID | NY00125 |
| More Info | State Dam Safety Program |