Dry Muddy
Dry Muddy is an earth dam located in Natrona County, Wyoming, built in 1933. It carries a Low hazard potential classification and has a poor condition assessment.
About Dry Muddy
The primary purpose of Dry Muddy is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Kro Ventures, Attn: Karen Overton (private). It impounds the Dry Muddy Creek near Big Muddy Oil Field.
The dam stands 19 feet tall and stretches 800 feet across, creates a reservoir covering 32 acres, and has a maximum storage capacity of 401 acre-feet. Completed in 1933, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/09/2021.
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Location
| State | Wyoming |
| County | Natrona |
| Nearest City | Big Muddy Oil Field |
| River/Stream | Dry Muddy Creek |
| Coordinates | 42.83240, -106.16510 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 800 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 401 acre-ft |
| Max Storage | 401 acre-ft |
| Normal Storage | 213 acre-ft |
| Surface Area | 32 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | KRO VENTURES, ATTN: KAREN OVERTON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/09/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00237 |
| Federal ID | WY00237 |
| More Info | State Dam Safety Program |