Mesa is an earth dam located in Boulder County, Colorado, built in 1907. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 22 ft22 ft tall and 850 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 Mesa
The primary purpose of Mesa is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Boulder/open Space (brautigam, Jane) (local government). It impounds the Little Dry Creek-tr near Boulder.
The dam stands 22 feet tall and stretches 850 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 160 acre-feet. Completed in 1907, the structure is over a century 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 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 09/25/2013. That was over 13 years ago.
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Location
| State | Colorado |
| County | Boulder |
| Nearest City | Boulder |
| River/Stream | Little Dry Creek-tr |
| Coordinates | 40.07334, -105.26391 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 16 ft |
| Dam Length | 850 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Boulder/open Space (brautigam, Jane) |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/25/2013 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00242 |
| Federal ID | CO00242 |
| More Info | State Dam Safety Program |