Mountain Supply #10 is an earth dam located in Larimer County, Colorado, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 944 ft long, taller than 50% of U.S. dams with a recorded height. 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 Mountain Supply #10
The primary purpose of Mountain Supply #10 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by North Poudre Irr. Co. (moen, Tad) (private). It impounds the N Fk Cache La Poudre near Fort Collins.
The dam stands 25 feet tall and stretches 944 feet across, creates a reservoir covering 48 acres, and has a maximum storage capacity of 656 acre-feet. Completed in 1974, 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. The most recent inspection on record was 08/29/2019.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Fort Collins |
| River/Stream | N Fk Cache La Poudre |
| Coordinates | 40.66001, -105.06057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 22 ft |
| Dam Length | 944 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 656 acre-ft |
| Max Storage | 656 acre-ft |
| Normal Storage | 344 acre-ft |
| Surface Area | 48 acres |
| Max Discharge | 6,538 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | North Poudre Irr. Co. (moen, Tad) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/29/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00155 |
| Federal ID | CO00155 |
| More Info | State Dam Safety Program |