Lake Iroquois is a concrete dam located in Chittenden County, Vermont, built in 1870. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 7 ft7 ft tall and 98 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Lake Iroquois
Lake Iroquois is a dam in Chittenden, Vermont. The dam is owned by Iroquois Manufacturing Co (private). It impounds the Patrick Brook near Hinesburg.
The dam stands 7 feet tall and stretches 98 feet across, creates a reservoir covering 229 acres, has a maximum storage capacity of 1,515 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1870, the structure is one of the older dams in the region, with over a century and a half of service.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 06/19/2012. That was over 14 years ago.
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Location
| State | Vermont |
| County | Chittenden |
| Nearest City | Hinesburg |
| River/Stream | Patrick Brook |
| Coordinates | 44.36210, -73.08121 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 98 ft |
| Year Completed | 1870 (156 years old) |
Storage & Hydraulics
| NID Storage | 1,515 acre-ft |
| Max Storage | 1,515 acre-ft |
| Surface Area | 229 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Iroquois Manufacturing Co |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/19/2012 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VT00060 |
| Federal ID | VT00060 |
| More Info | State Dam Safety Program |