Chapman is an earth dam located in Carbon County, Wyoming. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 1,400 ft long, taller than 55% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Chapman
The primary purpose of Chapman 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 Overland Trail Land & Cattle Co. (private). It impounds the Willow Dell near Bolten Ranch.
The dam stands 26 feet tall and stretches 1,400 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 102 acre-feet, and collects water from a drainage area of 0 square miles.
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 05/17/2022.
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Location
| State | Wyoming |
| County | Carbon |
| Nearest City | Bolten Ranch |
| River/Stream | Willow Dell |
| Coordinates | 41.55540, -107.31620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 1,400 ft |
Storage & Hydraulics
| NID Storage | 102 acre-ft |
| Max Storage | 102 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 416 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Overland Trail Land & Cattle Co. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/17/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02494 |
| Federal ID | WY02494 |
| More Info | State Dam Safety Program |