Minnie
Minnie is an earth dam located in Weld County, Colorado, built in 1882. It carries a Low hazard potential classification.
About Minnie
The primary purpose of Minnie is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Harold Anderson (private). It impounds the St. Vrain Creek near Gilcrest.
The dam stands 10 feet tall and stretches 1,080 feet across, creates a reservoir covering 11 acres, and has a maximum storage capacity of 108 acre-feet. Completed in 1882, 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.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Gilcrest |
| River/Stream | St. Vrain Creek |
| Coordinates | 40.27168, -104.93390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 1,080 ft |
| Year Completed | 1882 (144 years old) |
Storage & Hydraulics
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 11 acres |
| Max Discharge | 547 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HAROLD ANDERSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01233 |
| Federal ID | CO01233 |
| More Info | State Dam Safety Program |