Miantenoma is an earth dam located in Weld County, Colorado, built in 1895. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 570 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 Miantenoma
The primary purpose of Miantenoma is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Charlene Garrett, (private). It impounds the Howlett Gulch near Gilcrest.
The dam stands 22 feet tall and stretches 570 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 219 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1895, 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. The most recent inspection on record was 05/28/2021.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Gilcrest |
| River/Stream | Howlett Gulch |
| Coordinates | 40.25542, -104.93779 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 570 ft |
| Year Completed | 1895 (131 years old) |
Storage & Hydraulics
| NID Storage | 219 acre-ft |
| Max Storage | 219 acre-ft |
| Normal Storage | 139 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 250 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Charlene Garrett, |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01232 |
| Federal ID | CO01232 |
| More Info | State Dam Safety Program |