Lost Lake is an earth dam located in Mesa County, Colorado, built in 1922. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 12 ft12 ft tall and 280 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 Lost Lake
The primary purpose of Lost Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bevan, Ty (private). It impounds the Bull Creek-tr near Molina.
The dam stands 12 feet tall and stretches 280 feet across, creates a reservoir covering 26 acres, and has a maximum storage capacity of 126 acre-feet. Completed in 1922, 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 07/23/2021.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Mesa |
| Nearest City | Molina |
| River/Stream | Bull Creek-tr |
| Coordinates | 39.07668, -108.00557 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 280 ft |
| Year Completed | 1922 (104 years old) |
Storage & Hydraulics
| NID Storage | 126 acre-ft |
| Max Storage | 126 acre-ft |
| Normal Storage | 109 acre-ft |
| Surface Area | 26 acres |
| Max Discharge | 44 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Bevan, Ty |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/23/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00872 |
| Federal ID | CO00872 |
| More Info | State Dam Safety Program |