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Waterbody profile

Official Water Board record · 2026 cycle

San Juan Creek (San Benito County)

Waterbody ID (WBID)
CAR3052005020090204001958
County / counties
San Benito
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 (7)

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
AmmoniaNutrients127845List on 303(d) list (TMDL required list)Revised5A TMDL still requiredHigh
ArsenicMetals110984List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
NitrateNutrients128136Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLPajaro River Watershed Nutrients
Oxygen, DissolvedNutrients111016Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLPajaro River Watershed Nutrients
SeleniumMetals111023List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ToxicityTotal Toxics111026Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
TurbiditySediment111028Do 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
Aug 21, 2026, 12:44 AM UTC
Waterbody ID
CAR3052005020090204001958
CALWNUM
30520050
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
7.89 Miles

Derived facility associations

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

Derived
Pacific Harvest Seafoods

San Juan Bautista · Notice of Intent · 0.17 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Taylor Farms Retail San Juan Bautista

San Juan Bautista · Notice of Intent · 0.38 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Willis Construction

San Juan Bautista · Notice of Intent · 0.51 km away

derived_receiving_water

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.