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Waterbody profile

Official Water Board record · 2026 cycle

Chualar Creek

Waterbody ID (WBID)
CAR3091900020080604161337
County / counties
Monterey
Regional Water Board
Regional Board 3 - Central Coast Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (20)

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
AmmoniaNutrients126550Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Nutrients
BensulidePesticides112284List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
BifenthrinPesticides112264List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority
ChlorpyrifosPesticides112242Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLLower Salinas River Chlorpyrifos and Diazinon TMDL
Cyhalothrin, LambdaPesticides112276List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority
DiazinonPesticides112243Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLLower Salinas River Chlorpyrifos and Diazinon TMDL
DimethoatePesticides112268Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Escherichia coli (E. coli)Pathogens130135Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Fecal Coliform
Fecal ColiformPathogens131003Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Fecal Coliform
ImidaclopridPesticides112260List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MalathionPesticides112249Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredHigh
MethomylPesticides112262List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
NitrateNutrients125794Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Nutrients
Organophosphate PesticidesPesticides112251List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLLower Salinas River Chlorpyrifos and Diazinon TMDL
Oxygen, DissolvedNutrients112253Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Nutrients
PermethrinPesticides112280List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority
pHOther Cause112254Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Temperature, waterOther Cause126195List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ToxicityTotal Toxics112256Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority
TurbiditySediment112258Do Not Delist from 303(d) list (TMDL required list)Revised5A 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
Sep 16, 2026, 10:56 PM UTC
Waterbody ID
CAR3091900020080604161337
CALWNUM
30919000
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
13.7 Miles

Derived facility associations

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

Derived

No industrial stormwater facility is geographically associated with this waterbody.

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.