Mountain Supply # 1
Mountain Supply # 1 is an earth dam located in Larimer County, Colorado, built in 1904. It carries a Low hazard potential classification and has a fair condition assessment.
About Mountain Supply # 1
The primary purpose of Mountain Supply # 1 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City Of Fort Collins-natural Resources Dept. (figg (local government). It impounds the Sand Creek near Wellington.
The dam stands 35 feet tall and stretches 980 feet across, creates a reservoir covering 75 acres, and has a maximum storage capacity of 1,186 acre-feet. Completed in 1904, 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 06/02/2015. That was over 10 years ago.
At 35 feet, this dam is taller than 82% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Larimer |
| Nearest City | Wellington |
| River/Stream | Sand Creek |
| Coordinates | 40.91000, -105.04723 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 980 ft |
| Year Completed | 1904 (122 years old) |
Storage & Hydraulics
| NID Storage | 1,186 acre-ft |
| Max Storage | 1,186 acre-ft |
| Normal Storage | 1,186 acre-ft |
| Surface Area | 75 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | CITY OF FORT COLLINS-NATURAL RESOURCES DEPT. (FIGG |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/02/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02215 |
| Federal ID | CO02215 |
| More Info | State Dam Safety Program |