Lewis Dam #1 Pd

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMontana
CountyPetroleum
River/StreamINTERMITTENT
Coordinates47.13255, -108.70810

Physical Characteristics

Dam TypeGravity
NID Height26 ft
Dam Length2,900 ft

Storage & Hydraulics

NID Storage680 acre-ft
Max Storage680 acre-ft
Surface Area133 acres
Drainage Area2 sq mi

Ownership & Safety

OwnerDOI BLM
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection11/06/2019
Emergency Action PlanNot Required

Identifiers

NID IDMT02176
Federal IDMT02176
More InfoState Dam Safety Program

Nearby Dams

Jelly Bean 3.2 mi Low Harris #1 3.7 mi Low Baby Food 4.1 mi Low Arther Dengel #1 4.3 mi Significant Duck Creek Retention Dam 4.5 mi High Dewry 4.6 mi Low Delaney #2 6.9 mi Low Graber #2 7.3 mi Low Eva Murphy #4 7.9 mi Low Heble 9.0 mi Low