Mississippi River Lock And Dam 22

Significant HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateMissouri
CountyRalls
Nearest CityASHBURN
River/StreamMISSISSIPPI RIVER
Coordinates39.63670, -91.24817

Physical Characteristics

Dam TypeConcrete
NID Height32 ft
Dam Length3,264 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage80,000 acre-ft
Max Storage80,000 acre-ft
Surface Area8,540 acres
Drainage Area137,500 sq mi
Max Discharge537,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeNavigation
OwnerUSACE - Rock Island District
Owner TypeFederal
Hazard ClassificationSignificant
Condition AssessmentNot Available
Last Inspection08/10/2023
Emergency Action PlanYes

Identifiers

NID IDMO10305
Federal IDMO10305
More InfoState Dam Safety Program

Nearby Dams

Daniels Lake Dam 5.2 mi Low Bunn Enterprises Lake Dam 6.7 mi High Griffith Lake Dam 7.1 mi Low Bear Creek Dam 9.8 mi High Byers Lake 9.9 mi Low Jaynes Dam 10.5 mi Low Crystal Blue Lake Dam 10.8 mi Low Hadley Creek Ws Str 29-6 11.2 mi Low Bowman Dam 11.4 mi Low Woollen Lake Dam 11.6 mi High