Pk 9-17
Pk 9-17 is an earth dam located in Johnson County, Wyoming, built in 2007. It carries a Low hazard potential classification and has a fair condition assessment.
About Pk 9-17
The primary purpose of Pk 9-17 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ek Ranch Llc (private). It impounds the Unnamed Trib. Crazy Woman Cree near Tipperary Road.
The dam stands 35 feet tall and stretches 360 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 42 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, the structure is relatively new.
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 07/13/2023.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Tipperary Road |
| River/Stream | Unnamed Trib. Crazy Woman Cree |
| Coordinates | 44.50028, -106.16944 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 28 ft |
| Dam Length | 360 ft |
| Year Completed | 2007 (19 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Normal Storage | 29 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 753 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | EK RANCH LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/13/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02384 |
| Federal ID | WY02384 |
| More Info | State Dam Safety Program |