Hawkins

Hawkins is a dam located in Bannock County, Idaho, built in 1870. It carries a Significant hazard potential classification and has a fair condition assessment.

About Hawkins

The primary purpose of Hawkins 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 Hawkins Creek Marsh Creek near Marsh Center.

The dam stands 35 feet tall and stretches 900 feet across, creates a reservoir covering 54 acres, has a storage capacity of 880 acre-feet, and collects water from a drainage area of 26 square miles. Completed in 1870, the structure is one of the older dams in the region, with over a century and a half of service.

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. The most recent inspection on record was 06/25/2020.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Significant HazardFair ConditionEmergency Action Plan: Not Required

Location

StateIdaho
CountyBannock
Nearest CityMarsh Center
River/StreamHawkins Creek Marsh Creek
Coordinates42.51070, -112.33210

Physical Characteristics

NID Height35 ft
Dam Height35 ft
Dam Length900 ft
Year Completed1870 (156 years old)

Storage & Hydraulics

NID Storage880 acre-ft
Normal Storage880 acre-ft
Surface Area54 acres
Drainage Area26 sq mi
Max Discharge418 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection06/25/2020
Emergency Action PlanNot Required

Identifiers

NID IDID00036
Federal IDID00036
More InfoState Dam Safety Program

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