Waterworks No. 3 is an earth dam located in Fremont County, Wyoming, built in 1959. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 40 ft40 ft tall and 950 ft long, taller than 86% 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 Waterworks No. 3
The primary purpose of Waterworks No. 3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Contango Resources (private). It impounds the Badwater Creek near Lysite.
The dam stands 40 feet tall and stretches 950 feet across, creates a reservoir covering 21 acres, and has a maximum storage capacity of 340 acre-feet. Completed in 1959, the structure is well into its service life at over 50 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/14/2023.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Wyoming |
| County | Fremont |
| Nearest City | Lysite |
| River/Stream | Badwater Creek |
| Coordinates | 43.29722, -107.64444 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 36 ft |
| Dam Length | 950 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 340 acre-ft |
| Max Storage | 340 acre-ft |
| Normal Storage | 211 acre-ft |
| Surface Area | 21 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Contango Resources |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/14/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01119 |
| Federal ID | WY01119 |
| More Info | State Dam Safety Program |