Ferro Debris Basin

Ferro Debris Basin is an earth dam located in Ventura County, California, built in 1986. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Ferro Debris Basin

The primary purpose of Ferro Debris Basin is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Ventura County Watershed Protection District (local government). It impounds the Tr Beardsley Wash.

The dam stands 45 feet tall and stretches 265 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 24 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1986, the structure is 40 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 11/12/2025.

At 45 feet, this dam is taller than 91% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyVentura
River/StreamTr Beardsley Wash
Coordinates34.26220, -119.10780

Physical Characteristics

Dam TypeEarth
NID Height45 ft
Dam Height45 ft
Dam Length265 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage24 acre-ft
Max Storage24 acre-ft
Surface Area2 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeDebris Control
OwnerVentura County Watershed Protection District
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection11/12/2025
Emergency Action PlanYes

Identifiers

NID IDCA01299
Federal IDCA01299
More InfoState Dam Safety Program

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