Belisle
Belisle is an earth dam located in Arapahoe County, Colorado, built in 1953. It carries a Significant hazard potential classification and has a fair condition assessment.
About Belisle
The primary purpose of Belisle is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Englewood (dave Chapman) (local government). It impounds the Big Dry Creek-os near Englewood.
The dam stands 40 feet tall and stretches 3,050 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 398 acre-feet. Completed in 1953, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 04/20/2022.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Colorado |
| County | Arapahoe |
| Nearest City | Englewood |
| River/Stream | Big Dry Creek-os |
| Coordinates | 39.63000, -105.00445 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 30 ft |
| Dam Length | 3,050 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 398 acre-ft |
| Max Storage | 398 acre-ft |
| Normal Storage | 286 acre-ft |
| Surface Area | 12 acres |
| Max Discharge | 20 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF ENGLEWOOD (DAVE CHAPMAN) |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 04/20/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO01789 |
| Federal ID | CO01789 |
| More Info | State Dam Safety Program |