Oasis
Oasis is an earth dam located in Delta County, Colorado, built in 1906. It carries a Low hazard potential classification and has a fair condition assessment.
About Oasis
The primary purpose of Oasis is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Gunnison River Farms (private). It impounds the Gunnison River-tr near Delta.
The dam stands 22 feet tall and stretches 915 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 105 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1906, 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 04/21/2022.
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Location
| State | Colorado |
| County | Delta |
| Nearest City | Delta |
| River/Stream | Gunnison River-tr |
| Coordinates | 38.79334, -107.89557 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 915 ft |
| Year Completed | 1906 (120 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 73 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GUNNISON RIVER FARMS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/21/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00602 |
| Federal ID | CO00602 |
| More Info | State Dam Safety Program |