Wheeler Canyon/Todd Barranca

Waterbody ID (WBID): CAR4032100019990202154046
County / counties: Ventura
Regional Water Board: Regional Board 4 - Los Angeles Region
Waterbody type: River & Stream
Condition category: Category 5 — 303(d) listed, TMDL required
Integrated Report cycle: 2026

303(d) listings (16)

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

Pollutant / stressor	Decision ID	Final listing decision	Decision status	TMDL requirement status	TMDL project	TMDL priority
BifenthrinPesticides	136720	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
ChlordanePesticides	136694	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
ChlorpyrifosPesticides	136696	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
CyfluthrinPesticides	136729	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
CypermethrinPesticides	136721	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
DDT (Dichlorodiphenyltrichloroethane)Pesticides	150035	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
FenpropathrinPesticides	136732	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
Indicator BacteriaPathogens	150344	List on 303(d) list (being addressed by USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Santa Clara River Coliform (23b & 34)	—
Nitrate and NitriteNutrients	68577	List on 303(d) list (being addressed by USEPA approved TMDL)	Original	5B — Addressed by USEPA-approved TMDL	Santa Clara River Nitrogen (32)	—
Nitrogen, NitrateNutrients	150036	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
PermethrinPesticides	136736	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
PyrethroidsPesticides	136718	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
SulfatesToxic Inorganics	68265	Do Not Delist from 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	Low
Total Dissolved SolidsSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES	68374	Do Not Delist from 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	Low
ToxaphenePesticides	136716	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
ToxicityTotal Toxics	99308	List on 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	Low

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: Sep 16, 2026, 10:57 PM UTC
Waterbody ID: CAR4032100019990202154046
CALWNUM: 4403.21
WBD code: 180701020903
Geometry: Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

View official Water Board fact sheet ↗Download Appendix A source file ↗

Location

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

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Watershed: —
Assessed size: 10.29 Miles

Derived facility associations

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

Derived

Athens Services Santa Paula

Santa Paula · Notice of Intent

derived_watershed_association