W.d. Mayo Lock And Dam

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateOklahoma
CountySequoyah
Nearest CityARKHOMA
River/StreamARKANSAS RIVER
Coordinates35.31589, -94.55914

Physical Characteristics

Dam TypeGravity
NID Height71 ft
Dam Height71 ft
Dam Length7,400 ft
Year Completed1970 (56 years old)

Storage & Hydraulics

NID Storage15,800 acre-ft
Max Storage15,800 acre-ft
Normal Storage15,800 acre-ft
Surface Area1,595 acres
Drainage Area148,084 sq mi
Max Discharge507,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Tulsa District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection06/04/2024
Emergency Action PlanYes

Identifiers

NID IDOK10305
Federal IDOK10305
More InfoState Dam Safety Program

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