Sullivan
Sullivan is an earth dam located in Moffat County, Colorado, built in 1951. It carries a Low hazard potential classification and has a fair condition assessment.
About Sullivan
The primary purpose of Sullivan is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Sullivan Ranches (melton 'milt' Sullivan) (private). It impounds the Cedar Creek near Craig.
The dam stands 39 feet tall and stretches 355 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 64 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1951, the structure is well into its service life at over 50 years 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 10/06/2021.
At 39 feet, this dam is taller than 86% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Moffat |
| Nearest City | Craig |
| River/Stream | Cedar Creek |
| Coordinates | 40.27417, -107.45780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 30 ft |
| Dam Length | 355 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 64 acre-ft |
| Max Storage | 64 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 321 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SULLIVAN RANCHES (MELTON 'MILT' SULLIVAN) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/06/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02135 |
| Federal ID | CO02135 |
| More Info | State Dam Safety Program |