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.
Dam profile
NID height · 10 ft10 ft tall. 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 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY16053 |
| Federal ID | NY16053 |
| More Info | State Dam Safety Program |