Lake Brennand is an earth dam located in Gunnison County, Colorado, built in 1963. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 24 ft24 ft tall and 350 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 Lake Brennand
The primary purpose of Lake Brennand is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Colorado Parks and Wildlife (state). It impounds the Anthracite Creek-tr near Somerset.
The dam stands 24 feet tall and stretches 350 feet across, creates a reservoir covering 65 acres, has a maximum storage capacity of 896 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1963, 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 09/09/2010. That was over 16 years ago.
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Location
| State | Colorado |
| County | Gunnison |
| Nearest City | Somerset |
| River/Stream | Anthracite Creek-tr |
| Coordinates | 38.87870, -107.10570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 22 ft |
| Dam Length | 350 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 896 acre-ft |
| Max Storage | 896 acre-ft |
| Normal Storage | 506 acre-ft |
| Surface Area | 65 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Colorado Parks and Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 09/09/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00425 |
| Federal ID | CO00425 |
| More Info | State Dam Safety Program |