Kwethluk Wastewater Lagoon Dam

Kwethluk Wastewater Lagoon Dam is an earth dam located in Bethel Census Area, Alaska. It carries a Significant hazard potential classification.

Hazard potentialSignificantFailure could cause major damage
ConditionNot assessed
Emergency action planOn file
Last inspection08/31/2013
Height13 ft

Dam profile

NID height · 13 ft
13 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

13 ft tall and 2,940 ft long. 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 Kwethluk Wastewater Lagoon Dam

Kwethluk Wastewater Lagoon Dam is a dam in Bethel Census Area, Alaska. The dam is owned by City of Kwethluk (local government). It impounds the Kwethluk River near Kwethluk.

The dam stands 13 feet tall and stretches 2,940 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 109 acre-feet, and collects water from a drainage area of 10 square miles.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 08/31/2013. That was over 13 years ago.

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

Location

StateAlaska
CountyBethel Census Area
Nearest CityKwethluk
River/StreamKwethluk River
Coordinates60.79540, -161.44010

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length2,940 ft

Storage & Hydraulics

NID Storage109 acre-ft
Max Storage109 acre-ft
Normal Storage98 acre-ft
Surface Area10 acres
Drainage Area10 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerCity of Kwethluk
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentNot assessed
Last Inspection08/31/2013
Emergency Action PlanYes

Identifiers

NID IDAK00312
Federal IDAK00312
More InfoState Dam Safety Program