Kiewit Acme Ditch No. 1
Kiewit Acme Ditch No. 1 is an earth dam located in Sheridan County, Wyoming, built in 1969. It carries a Low hazard potential classification and has a fair condition assessment.
About Kiewit Acme Ditch No. 1
The primary purpose of Kiewit Acme Ditch No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by X-x Pass Ranch, Llc , Att: David Hannahs (private). It impounds the West Pass Or Cave Creek near Wyola, Mt.
The dam stands 42 feet tall and stretches 1,156 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 49 acre-feet. Completed in 1969, 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 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 05/23/2024.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Wyoming |
| County | Sheridan |
| Nearest City | Wyola, Mt |
| River/Stream | West Pass Or Cave Creek |
| Coordinates | 44.99417, -107.51028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 1,156 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 49 acre-ft |
| Max Storage | 49 acre-ft |
| Normal Storage | 34 acre-ft |
| Surface Area | 3 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | X-X PASS RANCH, LLC , ATT: DAVID HANNAHS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/23/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00690 |
| Federal ID | WY00690 |
| More Info | State Dam Safety Program |