Sand Draw
Sand Draw is an earth dam located in Johnson County, Wyoming, built in 1968. It carries a Low hazard potential classification and has a poor condition assessment.
About Sand Draw
The primary purpose of Sand Draw is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Usdi Blm (federal). It impounds the Coal Gulch near Arvada.
The dam stands 45 feet tall and stretches 450 feet across, creates a reservoir covering 7 acres, and has a maximum storage capacity of 180 acre-feet. Completed in 1968, 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 07/03/2023.
At 45 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Wyoming |
| County | Johnson |
| Nearest City | Arvada |
| River/Stream | Coal Gulch |
| Coordinates | 44.33889, -106.24306 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 450 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 7 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | USDI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/03/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00562 |
| Federal ID | WY00562 |
| More Info | State Dam Safety Program |