Wilson Debris Basin

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountyLos Angeles
Nearest CitySylmar
River/StreamWilson Canyon
Coordinates34.32960, -118.44710

Physical Characteristics

Dam TypeEarth
NID Height50 ft
Dam Height50 ft
Dam Length666 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage84 acre-ft
Max Storage84 acre-ft
Surface Area5 acres
Drainage Area2 sq mi

Ownership & Safety

PurposeDebris Control
OwnerLos Angeles County Department Of Public Works
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection09/23/2025
Emergency Action PlanYes

Identifiers

NID IDCA01162
Federal IDCA01162
More InfoState Dam Safety Program

Nearby Dams

Schoolhouse Debris Basin 0.7 mi High Lopez Dam 2.7 mi High Yarnell Debris Basin 2.8 mi Low Pacoima 2.9 mi High Upper San Fernando 3.2 mi Low Los Angeles Reservoir 3.2 mi High Channel Diversion Dike 3.4 mi Low Ler Van Norman Bypass 3.4 mi Low Ler San Fernando 3.6 mi High Hansen Recreational Lake 5.3 mi Low