Box Elder #3 is an earth dam located in Larimer County, Colorado, built in 1890. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 1,030 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 Box Elder #3
The primary purpose of Box Elder #3 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 Boxelder Cr-tr near Wellington.
The dam stands 20 feet tall and stretches 1,030 feet across, creates a reservoir covering 55 acres, and has a maximum storage capacity of 792 acre-feet. Completed in 1890, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 07/19/1990. That was over 36 years ago.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Wellington |
| River/Stream | Boxelder Cr-tr |
| Coordinates | 40.72668, -105.03557 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,030 ft |
| Year Completed | 1890 (136 years old) |
Storage & Hydraulics
| NID Storage | 792 acre-ft |
| Max Storage | 792 acre-ft |
| Normal Storage | 298 acre-ft |
| Surface Area | 55 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | North Poudre Irr. Co. (moen, Tad) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/19/1990 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01158 |
| Federal ID | CO01158 |
| More Info | State Dam Safety Program |