Willow
Willow is an earth dam located in Delta County, Colorado, built in 1948. It carries a Low hazard potential classification and has a fair condition assessment.
About Willow
The primary purpose of Willow is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leroux Creek Water Users Association (private). It impounds the Leroux Creek-tr near Hotchkiss.
The dam stands 35 feet tall and stretches 860 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 165 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1948, the structure is well-established, with more than 75 years of service.
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 07/27/2020.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Colorado |
| County | Delta |
| Nearest City | Hotchkiss |
| River/Stream | Leroux Creek-tr |
| Coordinates | 39.02168, -107.67390 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 28 ft |
| Dam Length | 860 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 691 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LEROUX CREEK WATER USERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/27/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00649 |
| Federal ID | CO00649 |
| More Info | State Dam Safety Program |