Chapman Lake Dam

Low Hazard ConditionEmergency Action Plan: Not Required

Location

StateWashington
CountySpokane
River/StreamRock Creek
Coordinates47.35612, -117.56745

Physical Characteristics

Dam TypeGravity
NID Height18 ft
Dam Length75 ft
Year Completed1940 (86 years old)

Storage & Hydraulics

NID Storage8,000 acre-ft
Max Storage8,000 acre-ft
Normal Storage7,500 acre-ft
Surface Area150 acres
Drainage Area48 sq mi
Max Discharge5,000 cfs

Ownership & Safety

PurposeRecreation
OwnerJones Trust
Owner TypePrivate
Hazard ClassificationLow
Last Inspection10/27/1993
Emergency Action PlanNot Required

Identifiers

NID IDWA00303
Federal IDWA00303
More InfoState Dam Safety Program

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