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Waterbody profile

Official Water Board record · 2026 cycle

Gabilan Creek

Waterbody ID (WBID)
CAR3091900019990304092345
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 (11)

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
AmmoniaNutrients126552Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLSalinas River Nutrients—
Benthic Community EffectsOther Cause131887List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
CopperMetals108442List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Escherichia coli (E. coli)Pathogens125766List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Fecal ColiformPathogens130190Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLSalinas River Fecal Coliform—
ImidaclopridPesticides108474List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
NitrateNutrients125843Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLSalinas River Nutrients—
Oxygen, DissolvedNutrients108461List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLSalinas River Nutrients—
pHOther Cause108463Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ToxicityTotal Toxics108469Do 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—
TurbiditySediment108471Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High

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
CAR3091900019990304092345
CALWNUM
3309.110000, 3309.200002, 3309.200003, 3309.700902
WBD code
180600150101, 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
9.52 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 · 0.72 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 · 0.16 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.