Sunnyside Mp 59.29 Reservoir

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateWashington
CountyBenton
Nearest CityProsser
River/StreamSpring Cr Wasteway - Offstream
Coordinates46.24580, -119.71327

Physical Characteristics

Dam TypeEarth
NID Height44 ft
Dam Length3,800 ft
Year Completed2005 (21 years old)

Storage & Hydraulics

NID Storage400 acre-ft
Max Storage400 acre-ft
Normal Storage170 acre-ft
Surface Area21 acres
Drainage Area0 sq mi
Max Discharge40 cfs

Ownership & Safety

PurposeIrrigation
OwnerSunnyside Valley Irrigation Dist.
Owner TypePublic Utility
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection10/13/2021
Emergency Action PlanYes

Identifiers

NID IDWA00690
Federal IDWA00690
More InfoState Dam Safety Program

Nearby Dams

Prosser Warehouse Treatment Lagoon 1.8 mi Significant Tree Top Prosser Lagoons 2 & 3 2.2 mi Significant Roza Wasteway 6 Reregulation Reservoir 2.7 mi Low Prosser Diversion Dam 3.7 mi Low Gap Road Reservoir 3.7 mi High Baby Gap Ranch Reservoir 4.1 mi High Grandview Wastewater E&f Lagoons Dam 9.0 mi Significant Byron Ponds Dam 9.0 mi Low Grandview Wastewater A-cell Lagoon Dam 9.6 mi Significant Grandview Wastewater Aqua Lagoon Dam 9.8 mi Significant