Muddy Guard No. 1
Muddy Guard No. 1 is an earth dam located in Johnson County, Wyoming, built in 1976. It carries a Low hazard potential classification and has a poor condition assessment.
About Muddy Guard No. 1
The primary purpose of Muddy Guard 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 North Fork Irrigation District (private). It impounds the Blue Hill Draw near Arvada.
The dam stands 50 feet tall and stretches 600 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 402 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 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 04/29/2024.
At 50 feet, this dam is taller than 93% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Arvada |
| River/Stream | Blue Hill Draw |
| Coordinates | 44.17694, -106.77611 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 50 ft |
| Dam Length | 600 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 402 acre-ft |
| Max Storage | 402 acre-ft |
| Normal Storage | 402 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | NORTH FORK IRRIGATION DISTRICT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/29/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01332 |
| Federal ID | WY01332 |
| More Info | State Dam Safety Program |