← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Pacific Ocean Shoreline, Loma Alta HSA, at Loma Alta Creek mouth

Waterbody ID (WBID)
CAC9041000020091104171140
County / counties
San Diego
Regional Water Board
Regional Board 9 - San Diego Region
Waterbody type
Coastal & Bay Shoreline
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (2)

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
Indicator BacteriaPathogens127951Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
TrashTrash84167List on 303(d) list (being addressed by action other than TMDL)Original5C Addressed by action other than a TMDL

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
CAC9041000020091104171140
CALWNUM
90410000
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
0.1 Miles

Derived facility associations

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

Derived
Ace Welding And Fabrication Inc

Oceanside · Notice of Intent · 0.47 km away

derived_receiving_water

Derived by California Stormwater Intelligence

cal kona marine inc

Oceanside · No Exposure Certification · 0.41 km away

derived_receiving_water

Derived by California Stormwater Intelligence

City of Oceanside La Salina WWTP

Oceanside · Notice of Intent · 0.36 km away

derived_receiving_water

Derived by California Stormwater Intelligence

South O Brewing Company

Oceanside · No Exposure Certification · 0.42 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.