Lemolo No 1

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateOregon
CountyDouglas
Nearest CityIdleyld Park, OR
River/StreamNorth Umpqua River
Coordinates43.32245, -122.19451

Physical Characteristics

Dam TypeRockfill
NID Height120 ft
Dam Height120 ft
Dam Length885 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage19,000 acre-ft
Max Storage19,000 acre-ft
Normal Storage11,079 acre-ft
Surface Area419 acres
Drainage Area175 sq mi
Max Discharge16,300 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerPacifiCorp
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection09/23/2025
Emergency Action PlanYes

Identifiers

NID IDOR00556
Federal IDOR00556
More InfoState Dam Safety Program

Nearby Dams