Hummel
Hummel is an earth dam located in Weld County, Colorado, built in 1882. It carries a Low hazard potential classification and has a fair condition assessment.
About Hummel
The primary purpose of Hummel is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Waggener Trust (hammond, Lynn) (private). It impounds the Little Thompson River near Johnstown.
The dam stands 15 feet tall and stretches 1,600 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 414 acre-feet, and collects water from a drainage area of 1 square miles. 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. 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 11/06/2012. That was over 13 years ago.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Johnstown |
| River/Stream | Little Thompson River |
| Coordinates | 40.31796, -105.02643 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1882 (144 years old) |
Storage & Hydraulics
| NID Storage | 414 acre-ft |
| Max Storage | 414 acre-ft |
| Normal Storage | 294 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WAGGENER TRUST (HAMMOND, LYNN) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/06/2012 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01185 |
| Federal ID | CO01185 |
| More Info | State Dam Safety Program |