Hecla Groundwater Management Impoundment

Hecla Groundwater Management Impoundment is an earth dam located in Ferry County, Washington, built in 2015. It carries a Significant hazard potential classification and has a fair condition assessment.

About Hecla Groundwater Management Impoundment

Hecla Groundwater Management Impoundment is a dam in Ferry, Washington. The dam is owned by Hecla Limited (private).

The dam stands 24 feet tall and stretches 1,600 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2015, the structure is relatively new.

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 08/19/2024.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyFerry
Nearest CityRepublic
Coordinates48.67560, -118.76190

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Length1,600 ft
Year Completed2015 (11 years old)

Storage & Hydraulics

NID Storage200 acre-ft
Max Storage200 acre-ft
Normal Storage129 acre-ft
Surface Area11 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeOther
OwnerHecla Limited
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection08/19/2024
Emergency Action PlanYes

Identifiers

NID IDWA00736
Federal IDWA00736
More InfoState Dam Safety Program

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