Lake Annella is an earth dam located in Conejos County, Colorado. It carries a Low hazard potential classification.
Dam profile
NID height · 77 ft77 ft tall and 250 ft long, taller than 97% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Annella
The primary purpose of Lake Annella 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 Vernon Baker, Sr. (walter Baker) (private). It impounds the Alamosa River-tr near Capulin.
The dam stands 77 feet tall and stretches 250 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 50 acre-feet.
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 09/20/1989. That was over 37 years ago.
At 77 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Colorado |
| County | Conejos |
| Nearest City | Capulin |
| River/Stream | Alamosa River-tr |
| Coordinates | 37.37001, -106.62390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 77 ft |
| Dam Height | 17 ft |
| Dam Length | 250 ft |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 70 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Vernon Baker, Sr. (walter Baker) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/20/1989 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02694 |
| Federal ID | CO02694 |
| More Info | State Dam Safety Program |