Antwerp
Antwerp is an earth dam located in Sheridan County, Wyoming, built in 1902. It carries a Low hazard potential classification and has a poor condition assessment.
About Antwerp
The primary purpose of Antwerp is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Marcyes Schmaus (private). It impounds the Six Mile Creek near Monarch.
The dam stands 20 feet tall and stretches 198 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 74 acre-feet. Completed in 1902, the structure is over a century 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 05/10/2023.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | Monarch |
| River/Stream | Six Mile Creek |
| Coordinates | 44.99444, -107.28806 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 198 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 5 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MARCYES SCHMAUS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/10/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00657 |
| Federal ID | WY00657 |
| More Info | State Dam Safety Program |