Iroquois National Refuge Dam Site #7 is an earth dam located in Orleans County, New York, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 1,200 ft long. 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 Iroquois National Refuge Dam Site #7
Iroquois National Refuge Dam Site #7 is a dam in Orleans, 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 1,200 feet across, creates a reservoir covering 84 acres, has a maximum storage capacity of 305 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1967, 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 09/16/1977. That was over 49 years ago.
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Location
| State | New York |
| County | Orleans |
| Nearest City | None |
| River/Stream | Tr-oak Orchard Creek |
| Coordinates | 43.14500, -78.36833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 305 acre-ft |
| Max Storage | 305 acre-ft |
| Normal Storage | 220 acre-ft |
| Surface Area | 84 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 236 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | U.s. Fish and Wildlife |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/16/1977 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY00379 |
| Federal ID | NY00379 |
| More Info | State Dam Safety Program |