Sullivan No. 2 is an earth dam located in Natrona County, Wyoming, built in 1992. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 26 ft26 ft tall and 560 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 Sullivan No. 2
The primary purpose of Sullivan No. 2 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 Hogland Draw near Lysite.
The dam stands 26 feet tall and stretches 560 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 176 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1992, the structure is 34 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 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 07/26/2023.
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Location
| State | Wyoming |
| County | Natrona |
| Nearest City | Lysite |
| River/Stream | Hogland Draw |
| Coordinates | 43.20583, -107.40611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 560 ft |
| Year Completed | 1992 (34 years old) |
Storage & Hydraulics
| NID Storage | 176 acre-ft |
| Max Storage | 176 acre-ft |
| Normal Storage | 22 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 1 sq mi |
| 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 | 07/26/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02039 |
| Federal ID | WY02039 |
| More Info | State Dam Safety Program |