Dry Creek Diversion
Dry Creek Diversion 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 Dry Creek Diversion
The primary purpose of Dry Creek Diversion 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 Dry Creek Big Willow Creek.
The dam stands 35 feet tall and stretches 450 feet across, creates a reservoir covering 6 acres, has a storage capacity of 77 acre-feet, and collects water from a drainage area of 11 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 05/28/2020.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Idaho |
| County | Payette |
| River/Stream | Dry Creek Big Willow Creek |
| Coordinates | 44.08640, -116.55270 |
Physical Characteristics
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 450 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Normal Storage | 77 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 11 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/28/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ID00544 |
| Federal ID | ID00544 |
| More Info | State Dam Safety Program |