Wiregrass
Wiregrass is a dam located in Bannock County, Idaho, built in 1943. It carries a Low hazard potential classification and has a fair condition assessment.
About Wiregrass
The primary purpose of Wiregrass is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is private-owned. It impounds the Wiregrass Springs Marsh Creek.
The dam stands 17 feet tall and stretches 330 feet across, creates a reservoir covering 15 acres, has a storage capacity of 86 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1943, 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 08/09/2017.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Idaho |
| County | Bannock |
| River/Stream | Wiregrass Springs Marsh Creek |
| Coordinates | 42.48260, -112.20420 |
Physical Characteristics
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 330 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 86 acre-ft |
| Normal Storage | 86 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 49 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/09/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00016 |
| Federal ID | ID00016 |
| More Info | State Dam Safety Program |