Sullivan
Sullivan is an earth dam located in Weld County, Colorado, built in 1905. It carries a Low hazard potential classification and has a unsatisfactory 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 Lupton Meadows Ditch Co. (cantrell, Howard (corky) (private). It impounds the South Platte River-os near Platteville.
The dam stands 11 feet tall and stretches 1,650 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 190 acre-feet. Completed in 1905, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 05/23/2022.
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Location
| State | Colorado |
| County | Weld |
| Nearest City | Platteville |
| River/Stream | South Platte River-os |
| Coordinates | 40.19194, -104.87445 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 1,650 ft |
| Year Completed | 1905 (121 years old) |
Storage & Hydraulics
| NID Storage | 190 acre-ft |
| Max Storage | 190 acre-ft |
| Normal Storage | 131 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 120 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | LUPTON MEADOWS DITCH CO. (CANTRELL, HOWARD (CORKY) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 05/23/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO01138 |
| Federal ID | CO01138 |
| More Info | State Dam Safety Program |