J. Smith
J. Smith is an earth dam located in Washakie County, Wyoming, built in 1943. It carries a Low hazard potential classification and has a fair condition assessment.
About J. Smith
The primary purpose of J. Smith is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Carter Livestock Inc. (private). It impounds the Alkali Spring near Manderson.
The dam stands 14 feet tall and stretches 1,075 feet across, creates a reservoir covering 15 acres, and has a maximum storage capacity of 133 acre-feet. Completed in 1943, the structure is well-established, with more than 75 years of service.
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 04/15/2025.
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Location
| State | Wyoming |
| County | Washakie |
| Nearest City | Manderson |
| River/Stream | Alkali Spring |
| Coordinates | 44.07380, -107.47020 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 1,075 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 133 acre-ft |
| Max Storage | 133 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 15 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CARTER LIVESTOCK INC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/15/2025 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01069 |
| Federal ID | WY01069 |
| More Info | State Dam Safety Program |