Long Marsh Dam
Long Marsh Dam is an earth dam located in Genesee County, New York, built in 1964. It carries a Low hazard potential classification.
About Long Marsh Dam
Long Marsh Dam is a dam in Genesee, New York. The dam is owned by U.s. Fish And Wildlife (federal). It impounds the Tr-oak Orchard Creek.
The dam stands 11 feet tall and stretches 322 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 162 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, the structure is well into its service life at over 50 years 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. The most recent inspection on record was 12/31/2001. That was over 24 years ago.
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Location
| State | New York |
| County | Genesee |
| Nearest City | None |
| River/Stream | Tr-oak Orchard Creek |
| Coordinates | 43.10833, -78.33833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 322 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 162 acre-ft |
| Max Storage | 162 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 328 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | U.S. FISH AND WILDLIFE |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 12/31/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00380 |
| Federal ID | NY00380 |
| More Info | State Dam Safety Program |