Hughes
Hughes is an earth dam located in Garfield County, Colorado, built in 1935. It carries a Significant hazard potential classification and has a fair condition assessment.
About Hughes
The primary purpose of Hughes is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Carlos Longoria (private). It impounds the Three Mile Creek near Glenwood Springs.
The dam stands 19 feet tall and stretches 170 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 416 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/24/2021.
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Location
| State | Colorado |
| County | Garfield |
| Nearest City | Glenwood Springs |
| River/Stream | Three Mile Creek |
| Coordinates | 39.48001, -107.36057 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 18 ft |
| Dam Length | 170 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 416 acre-ft |
| Max Storage | 416 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,180 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CARLOS LONGORIA |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/24/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00681 |
| Federal ID | CO00681 |
| More Info | State Dam Safety Program |