L Hance Wetland Reserve Dam
L Hance Wetland Reserve Dam is an earth dam located in St. Lawrence County, New York, built in 2000. It carries a Low hazard potential classification.
About L Hance Wetland Reserve Dam
The primary purpose of L Hance Wetland Reserve Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Larry E Hance (private). It impounds the Malterna Creek near Somerville.
The dam stands 10 feet tall, creates a reservoir covering 12 acres, has a maximum storage capacity of 59 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 2000, the structure is 26 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.
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Location
| State | New York |
| County | St. Lawrence |
| Nearest City | Somerville |
| River/Stream | Malterna Creek |
| Coordinates | 44.28333, -75.55833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 20 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 443 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | LARRY E HANCE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY16053 |
| Federal ID | NY16053 |
| More Info | State Dam Safety Program |