Kossert 9-303-1
Kossert 9-303-1 is an earth dam located in Weston County, Wyoming, built in 1940. It carries a Low hazard potential classification and has a fair condition assessment.
About Kossert 9-303-1
The primary purpose of Kossert 9-303-1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Usda Fs (federal). It impounds the Alkali Creek, Buffalo Creek near Thorton.
The dam stands 25 feet tall and stretches 320 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 222 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1940, 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 06/08/2010. That was over 15 years ago.
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Location
| State | Wyoming |
| County | Weston |
| Nearest City | Thorton |
| River/Stream | Alkali Creek, Buffalo Creek |
| Coordinates | 44.10470, -104.81507 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 11 ft |
| Dam Length | 320 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 222 acre-ft |
| Max Storage | 222 acre-ft |
| Normal Storage | 10 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 600 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/08/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01323 |
| Federal ID | WY01323 |
| More Info | State Dam Safety Program |