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Waterbody profile

Official Water Board record · 2026 cycle

Natividad Creek

Waterbody ID (WBID)
CAR3091101020050531125140
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 (18)

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
AmmoniaNutrients126614Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Nutrients
Benthic Community EffectsOther Cause131907List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
BifenthrinPesticides108396List 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
ChlorpyrifosPesticides108359List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLLower Salinas River Chlorpyrifos and Diazinon TMDL
CopperMetals108360List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
DiazinonPesticides108361Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLLower Salinas River Chlorpyrifos and Diazinon TMDL
Escherichia coli (E. coli)Pathogens125807Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Fecal Coliform
Fecal ColiformPathogens130213List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Fecal Coliform
ImidaclopridPesticides108393List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MalathionPesticides108373List on 303(d) list (TMDL required list)Revised5A TMDL still requiredHigh
NitrateNutrients127215Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Nutrients
Organophosphate PesticidesPesticides108379List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLLower Salinas River Chlorpyrifos and Diazinon TMDL
Oxygen, DissolvedNutrients108381Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSalinas River Nutrients
PermethrinPesticides108410List 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
PyrethroidsPesticides108392List 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
Temperature, waterOther Cause126135Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ToxicityTotal Toxics108388Do 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
TurbiditySediment108390Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredHigh

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
CAR3091101020050531125140
CALWNUM
3309.110000, 3309.200003, 3309.700904
WBD code
180600150102
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
7.16 Miles

Derived facility associations

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

Derived
AMR-Salinas

Salinas · No Exposure Certification · 0.71 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Assured Aggregates

Salinas · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Crazy Horse Sanitary Landfill Class III

Salinas · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Don Chapin Co

Salinas · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Granite Rock Co Salinas Concre

Salinas · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

International Paper

Salinas · No Exposure Certification · 0.75 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Republic Services

Salinas · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

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.