Dry Creek Dike is an earth dam located in Payette County, Idaho, built in 1976. It carries a Significant hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 34 ft34 ft tall and 800 ft long, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Dry Creek Dike
The primary purpose of Dry Creek Dike 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 Unnamed Stream Dry Creek near New Plymouth.
The dam stands 34 feet tall and stretches 800 feet across, creates a reservoir covering 160 acres, has a storage capacity of 1,484 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 significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/28/2020.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Idaho |
| County | Payette |
| Nearest City | New Plymouth |
| River/Stream | Unnamed Stream Dry Creek |
| Coordinates | 44.08450, -116.55880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 800 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 1,484 acre-ft |
| Normal Storage | 1,484 acre-ft |
| Surface Area | 160 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/28/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ID00510 |
| Federal ID | ID00324S001 |
| More Info | State Dam Safety Program |