Jumbo
Jumbo is an earth dam located in Logan County, Colorado, built in 1977. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Jumbo
The primary purpose of Jumbo is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Colorado Parks And Wildlife (state). It impounds the South Platte River-tr near Sedgwick.
The dam stands 38 feet tall and stretches 1,900 feet across, creates a reservoir covering 100 acres, has a maximum storage capacity of 1,450 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1977, the structure is 49 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/29/2020.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Colorado |
| County | Logan |
| Nearest City | Sedgwick |
| River/Stream | South Platte River-tr |
| Coordinates | 40.90957, -102.66597 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 28 ft |
| Dam Length | 1,900 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 1,450 acre-ft |
| Max Storage | 1,450 acre-ft |
| Normal Storage | 950 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 350 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | COLORADO PARKS AND WILDLIFE |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/29/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00382 |
| Federal ID | CO00382 |
| More Info | State Dam Safety Program |