Joy No. 1
Joy No. 1 is an earth dam located in Converse County, Wyoming, built in 1984. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Joy No. 1
The primary purpose of Joy 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 Hardy Enterprises C/o Eugene Hardy (private). It impounds the Stinking Water Cr Trib Sand Ck near Unnamed Ranch.
The dam stands 25 feet tall and stretches 475 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 188 acre-feet, and collects water from a drainage area of 17 square miles. Completed in 1984, the structure is 42 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/12/2020.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Unnamed Ranch |
| River/Stream | Stinking Water Cr Trib Sand Ck |
| Coordinates | 43.32720, -105.69100 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 22 ft |
| Dam Length | 475 ft |
| Year Completed | 1984 (42 years old) |
Storage & Hydraulics
| NID Storage | 188 acre-ft |
| Max Storage | 188 acre-ft |
| Normal Storage | 103 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 17 sq mi |
| Max Discharge | 2,110 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | HARDY ENTERPRISES C/O EUGENE HARDY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/12/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01721 |
| Federal ID | WY01721 |
| More Info | State Dam Safety Program |