Tree Top Prosser Lagoons 2 & 3

Tree Top Prosser Lagoons 2 & 3 is an earth dam located in Benton County, Washington, built in 1991. It carries a Significant hazard potential classification and has a fair condition assessment.

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyBenton
River/StreamOffstream
Coordinates46.22208, -119.74472

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Length3,925 ft
Year Completed1991 (35 years old)

Storage & Hydraulics

NID Storage163 acre-ft
Max Storage163 acre-ft
Normal Storage130 acre-ft
Surface Area14 acres
Drainage Area2 sq mi

Ownership & Safety

PurposeOther
OwnerTree Top Inc
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/20/2016
Emergency Action PlanYes

Identifiers

NID IDWA00609
Federal IDWA00609
More InfoState Dam Safety Program

Nearby Dams

Prosser Warehouse Treatment Lagoon 0.7 mi Significant Prosser Diversion Dam 1.5 mi Low Sunnyside Mp 59.29 Reservoir 2.2 mi High Gap Road Reservoir 3.1 mi High Baby Gap Ranch Reservoir 3.1 mi High Roza Wasteway 6 Reregulation Reservoir 4.8 mi Low Byron Ponds Dam 7.1 mi Low Grandview Wastewater E&f Lagoons Dam 7.1 mi Significant Grandview Wastewater A-cell Lagoon Dam 7.8 mi Significant Grandview Wastewater Aqua Lagoon Dam 8.0 mi Significant