Mud Mountain Dam

High HazardNot Available ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyKing
Nearest CityBUCKLEY
River/StreamWHITE RIVER
Coordinates47.14097, -121.93333

Physical Characteristics

Dam TypeRockfill
NID Height425 ft
Dam Length700 ft
Year Completed1948 (78 years old)

Storage & Hydraulics

NID Storage106,000 acre-ft
Max Storage106,000 acre-ft
Surface Area1 acres
Drainage Area400 sq mi
Max Discharge156,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerUSACE - Seattle District
Owner TypeFederal
Hazard ClassificationHigh
Condition AssessmentNot Available
Last Inspection05/15/2021
Emergency Action PlanYes

Identifiers

NID IDWA00300
Federal IDWA00300
More InfoState Dam Safety Program

Nearby Dams

Weyerhaeuser Enumclaw Flood Control Dam 3.3 mi High Tapps Lake Dike No 14 10.1 mi Low Tapps Lake Dike No 15 10.2 mi Low Bonney Lake Wsu Infiltration Pond 10.4 mi High Tapps Lake Backflow Prevention Structure 10.4 mi High Tapps Lake Dike No 13 11.4 mi High Tapps Lake Dike No 12 11.7 mi High Howard A. Hanson Dam 11.7 mi High Tapps Lake Dike No 11 12.1 mi High Tapps Lake Dike No10 12.5 mi High