Drew Lake South Weir
Drew Lake South Weir is a concrete dam located in Hillsborough, New Hampshire. It carries a Low hazard potential classification.
About Drew Lake South Weir
The primary purpose of Drew Lake South Weir is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Us Army Corp Of Engineers (federal). It impounds the Choate Brook near Weare.
The dam stands 12 feet tall and stretches 385 feet across, creates a reservoir covering 130 acres, has a maximum storage capacity of 1,560 acre-feet, and collects water from a drainage area of 426 square miles.
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 10/24/2011. That was over 14 years ago.
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Location
| State | New Hampshire |
| County | Hillsborough |
| Nearest City | Weare |
| River/Stream | Choate Brook |
| Coordinates | 43.14110, -71.68330 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 385 ft |
Storage & Hydraulics
| NID Storage | 1,560 acre-ft |
| Max Storage | 1,560 acre-ft |
| Surface Area | 130 acres |
| Drainage Area | 426 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | US ARMY CORP OF ENGINEERS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/24/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00487 |
| Federal ID | NH00487 |
| More Info | State Dam Safety Program |