Lampman is an earth dam located in Big Horn County, Wyoming. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 350 ft long, taller than 50% 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 Lampman
The primary purpose of Lampman is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Usdi BLM (federal). It impounds the Redwood Draw near Hwy 14.
The dam stands 25 feet tall and stretches 350 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 45 acre-feet.
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 09/22/2021.
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Location
| State | Wyoming |
| County | Big Horn |
| Nearest City | Hwy 14 |
| River/Stream | Redwood Draw |
| Coordinates | 44.44950, -107.87870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 350 ft |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Normal Storage | 26 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 1,341 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Usdi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/22/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02316 |
| Federal ID | WY02316 |
| More Info | State Dam Safety Program |