← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Ventura Harbor Ventura Keys

Waterbody ID (WBID)
CAB4031100019990922090257
County / counties
Ventura
Regional Water Board
Regional Board 4 - Los Angeles Region
Waterbody type
Bay & Harbor
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (4)

Each row is one official listing decision from Appendix A of the Final 2026 California Integrated Report. Source terminology is preserved as published.

Pollutant / stressorDecision IDFinal listing decisionDecision statusTMDL requirement statusTMDL projectTMDL priority
ArsenicMetals135728Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Coliform BacteriaPathogens70125List on 303(d) list (TMDL required list)Original5A TMDL still requiredLow
DieldrinPesticides135736Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Indicator BacteriaPathogens99080List on 303(d) list (TMDL required list)Original5A TMDL still requiredLow

Source & provenance

Agency
California State Water Resources Control Board
Report
Final 2026 California Integrated Report
Dataset
Appendix A — 2026 303(d) List of Impaired Waters
Imported
Aug 21, 2026, 12:44 AM UTC
Waterbody ID
CAB4031100019990922090257
CALWNUM
4402.100001, 4403.100000, 4407.000000, 4410.000000
WBD code
180701010203, 180701020904
Geometry
Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

Location

Official 2026 Water Board geometry. Demonstration facility markers are shown for context only.

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Watershed
Assessed size
262.3 Acres

Derived facility associations

Industrial stormwater facilities geographically associated with this waterbody. These are derived spatial associations, not Water Board findings.

Derived
3D TEK CNC INC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

A&M Machine Shop

Oxnard · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Acme Auto Wreckers

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

ADRIAN SPORTS INC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Agency Arms LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Agency Arms LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Allied Beverages

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Angelus Block Co

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Applied Ink SPS

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Applied Precision Products

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Arenal Surfboards

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Argon ST

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Art Glass Etc Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Avita Medical Americas

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Balcom Cider LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Bananas & Hammocks

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Barnett Tool Engineering

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

BELL POWDER COATING INC

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

BLASON LOUIS USA INC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Brazuka Coffee Roasters LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Bright Spark Brewing

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

BSTLIFT SYSTEMS

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

C&R Molds

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

CB&G Sign Solutions

Ventura · Notice of Intent · 0.89 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Channel Islands Distillery

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Channel Islands Optical Mechanical Engineering

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Chapala Iron and Manufacturing Company

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

clean foods inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

CLK Engineering

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Coastal Coffee Collective

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Coastal Connections

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Cruz Assembly

Ventura · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Cryogenic Experts

Oxnard · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Cryogenic Experts

Oxnard · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Derecktor Ventura Inc

Ventura · Notice of Intent · 0.06 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Dow Key Microwave

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Dowell Inc

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

E J Harrison Sons Maint Yard

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Earth Print Inc dba CR Print

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Edwards Label

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Eureka Marine Canvas

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Exotic Progression Incorporated

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Exotic Progression Incorporated

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

FASTSIGNS of Ventura

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Fausset Printing

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

FedEx Ground ZVEN

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Ficelle Artisan Bakery

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Floral Logistics of California

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Flying Embers

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

FNC Medical Corp

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Four Brix Winery

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

G W Surfaces

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

derived_watershed_association

Derived by California Stormwater Intelligence

GOLDENWOOD TRUSS CORPORATION

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Guernsey Coating Laboratories Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

GW Surfaces

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Implantech Associates Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Industrial Forming

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

InGame Prints LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Instrument Control Services

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Instrument Control Services

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

IRONWROKS BY TONY CASTRO

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

JDML Inc dba Standard Industries

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

JDML Standard Industries

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

JDML Standard Industries

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Johnson Drive

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Juengermann Inc DBA Spring Industries

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

lester family cellars

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Lester Family Cellars

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

LIGHTWAVE SYSTEMS INC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

M&C TechGroup North America Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

m&m machining inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

MadeWest Brewing Company

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Magnuson Products LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Maintnence and Transportation

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Marine Solutions

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Med Waste Systems LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Metallhaus

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Mini Flex Corporation

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

MintSurf

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

modern tool co

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Motran Industries Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

NASO Industries Corporation

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

No limit powder coating

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Old Dominion Freight Line OXR

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Omnisil Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Outer Aisle Gourmet

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Pacific Coast Graphix

Oxnard · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Patina Old World Flooring Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Pegasus Transportation

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Pemko Manufacturing Company

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Photo Emission

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Poseidon Brewing Company LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Pro Motion T Shirts

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Proctor Surfboards Worldwide Custom

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Quick Draw and Machining Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Rayne Water Systems

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

REINE LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

REMS COLLISION CENTER LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Reyes Coca Cola Bottling LLC

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

RM Finishing

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Robert M Hadley Company Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

RPM Transportation Inc VTA

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Safe Harbor Ventura Isle

Ventura · No Exposure Certification · 0.00 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Saticoy Facility

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Saticoy Lemon Plant No 1

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Saticoy Ready Mix

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Sessa Manufacturing

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Seven Oaks Ranch

Ventura · No Exposure Certification · 0.63 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Seven Oaks Ranch

Ventura · No Exposure Certification · 0.63 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Silkworm Screenprinting

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Silver Bay Seafoods dba Ventura Harbor Boat Yard

Ventura · Notice of Intent · 0.00 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Sinjem Enterprises

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Skate One Corp

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Sloan Company Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Sloan Company Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Solarsilicon Recycling Services LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Southern Counties Oil Co LP

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Spiros Printing LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

State Ready Mix

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Strand Products Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Swenson Sails

Ventura · No Exposure Certification · 0.11 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

TB Cabinets

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Teamworks

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

TMJ Solutions Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

TOM ROBERTS DESIGNS INC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Topa Topa Brewing Co

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Total Structures

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Transmissing Brewing Company LLC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Tri County Truck Co

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Trupart Manufacturing

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

UNI SEAL VALVE CO

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

United Parcel Service CAVEN

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Valex Corp

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Varial Surf Technology

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Vast Circuits

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Ventura Business Park III

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Ventura Coast Brewing Company

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Ventura Coastal LLC

Ventura · Notice of Intent · 0.54 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Ventura DC

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Ventura Field Reservoir Site

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Ventura Harbor Marine Fuel

Ventura · Notice of Intent · 0.10 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Ventura Hydraulic Machine Works Inc

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Ventura Water Reclamation Facility VWRF

Ventura · Notice of Intent · 0.11 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

VertiGate

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

WC Fabrications

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Wiggins Lift Co

Oxnard · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

WIRELESS TECHNOLOGY INC

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Woellert Industries Inc

Ventura · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

YRC Inc Ventura 625

Ventura · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Facility records are official Industrial General Permit registrations, but the association between a facility and this waterbody is derived geographically (proximity or shared HUC12 subwatershed) and is not a Water Board receiving-water determination. Where a permit carries a Water Board-stated TMDL requirement naming this water, it is listed separately above.