Gothberg is an earth dam located in Natrona County, Wyoming, built in 1908. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 13 ft13 ft tall and 400 ft long. 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 Gothberg
The primary purpose of Gothberg is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by John (jb) Byleveld (private). It impounds the Dobbins Springs Creek near Casper.
The dam stands 13 feet tall and stretches 400 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 29 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1908, the structure is over a century 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 04/18/2023.
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Location
| State | Wyoming |
| County | Natrona |
| Nearest City | Casper |
| River/Stream | Dobbins Springs Creek |
| Coordinates | 42.78250, -106.44722 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 400 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 29 acre-ft |
| Max Storage | 29 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | John (jb) Byleveld |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 04/18/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02108 |
| Federal ID | WY02108 |
| More Info | State Dam Safety Program |