Sulphur Gulch
Sulphur Gulch is a dam located in Payette County, Idaho, built in 1976. It carries a Low hazard potential classification and has a fair condition assessment.
About Sulphur Gulch
The primary purpose of Sulphur Gulch 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 Sulphur Gulch Creek Big Willow Creek.
The dam stands 23 feet tall and stretches 350 feet across, creates a reservoir covering 8 acres, has a storage capacity of 50 acre-feet, and collects water from a drainage area of 2 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 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 06/11/2019.
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Location
| State | Idaho |
| County | Payette |
| River/Stream | Sulphur Gulch Creek Big Willow Creek |
| Coordinates | 44.06140, -116.53620 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 350 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 56 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 06/11/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00327 |
| Federal ID | ID00327 |
| More Info | State Dam Safety Program |