Strong No. 4 is an earth dam located in Albany County, Wyoming, built in 1958. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 28 ft28 ft tall and 315 ft long, taller than 62% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Strong No. 4
The primary purpose of Strong No. 4 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Strong Creek Ranch Inc (private). It impounds the Strong Creek near Chugwater.
The dam stands 28 feet tall and stretches 315 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 89 acre-feet. Completed in 1958, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/27/2020.
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Location
| State | Wyoming |
| County | Albany |
| Nearest City | Chugwater |
| River/Stream | Strong Creek |
| Coordinates | 41.60650, -105.39850 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 315 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 89 acre-ft |
| Max Storage | 89 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Strong Creek Ranch Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/27/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00109 |
| Federal ID | WY00109 |
| More Info | State Dam Safety Program |