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Waterbody profile

Official Water Board record · 2026 cycle

Tijuana River Estuary

Waterbody ID (WBID)
CAE9111100019990208143032
County / counties
San Diego
Regional Water Board
Regional Board 9 - San Diego Region
Waterbody type
Estuary
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (10)

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
EutrophicNutrients70459List on 303(d) list (TMDL required list)Original5A TMDL still requiredLow
Indicator BacteriaPathogens165378Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
LeadMetals106193Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Low Dissolved OxygenNutrients69301Do Not Delist from 303(d) list (TMDL required list)Original5A TMDL still requiredLow
NickelMetals69476List on 303(d) list (TMDL required list)Original5A TMDL still requiredLow
PesticidesPesticides69199List on 303(d) list (TMDL required list)Original5A TMDL still requiredLow
ThalliumMetals69416List on 303(d) list (TMDL required list)Original5A TMDL still requiredLow
ToxicityTotal Toxics86348List on 303(d) list (TMDL required list)Original5A TMDL still requiredLow
TrashTrash165380Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
TurbiditySediment69251List on 303(d) list (TMDL required list)Original5A 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, 10:57 PM UTC
Waterbody ID
CAE9111100019990208143032
CALWNUM
4910.100000, 4911.110000, 4912.000000
WBD code
180703041300, 180703050602
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
1862.59 Acres

Derived facility associations

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

Derived
California Precision Products Inc

San Diego · Notice of Intent · 0.31 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Goat Canyon Sediment Basin

Imperial Beach · Notice of Intent · 0.03 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.