Stewart Mountain Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateArizona
CountyMaricopa
Nearest CityMESA
River/StreamSALT RIVER
Coordinates33.56650, -111.53590

Physical Characteristics

Dam TypeConcrete
NID Height210 ft
Dam Height207 ft
Dam Length1,260 ft
Year Completed1930 (96 years old)

Storage & Hydraulics

NID Storage70,070 acre-ft
Max Storage70,070 acre-ft
Normal Storage69,765 acre-ft
Surface Area1,265 acres
Drainage Area6,191 sq mi
Max Discharge105,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerBUREAU OF RECLAMATION
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection05/25/2021
Emergency Action PlanYes

Identifiers

NID IDAZ10318
Federal IDAZ10318
More InfoState Dam Safety Program

Nearby Dams

Mormon Flat Dam 5.4 mi High Apache Junction Frs 8.7 mi High Signal Butte Frs 9.3 mi High Granite Reef Diversion Dam 9.6 mi Low Fountain Lake 10.3 mi High Spook Hill 10.6 mi High Red Mountain Freeway Levee 11.1 mi High Horse Mesa Dam 11.2 mi High Stoneridge (no. 19) 11.5 mi High Golden Eagle Park (no. 4) 12.0 mi High