Port of Moses Lake Lagoon

Port of Moses Lake Lagoon is an earth dam located in Grant County, Washington, built in 1999. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height30 ft
Built199927 years ago

Dam profile

NID height · 30 ft
30 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

30 ft tall and 600 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Port of Moses Lake Lagoon

Port of Moses Lake Lagoon is a dam in Grant, Washington. The dam is owned by Port of Moses Lake (local government). It impounds the Crab Creek - Offstream.

The dam stands 30 feet tall and stretches 600 feet across, and has a maximum storage capacity of 34 acre-feet. Completed in 1999, the structure is 27 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Location

StateWashington
CountyGrant
River/StreamCrab Creek - Offstream
Coordinates47.22398, -119.33495

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Length600 ft
Year Completed1999 (27 years old)

Storage & Hydraulics

NID Storage34 acre-ft
Max Storage34 acre-ft
Normal Storage25 acre-ft

Ownership & Safety

PurposeOther
OwnerPort of Moses Lake
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDWA01807
Federal IDWA01807
More InfoState Dam Safety Program