← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Murphy Canyon

Waterbody ID (WBID)
CAR9071100020110906133850
County / counties
San Diego
Regional Water Board
Regional Board 9 - San Diego Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (3)

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
Benthic Community EffectsOther Cause126448List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
NitrogenNutrients132049List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PhosphorusNutrients114161List on 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
CAR9071100020110906133850
CALWNUM
90711000
Geometry
Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

Location

Official 2026 Water Board geometry. Demonstration facility markers are shown for context only.

Loading map…
Watershed
Assessed size
8.29 Miles

Derived facility associations

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

Derived
CAES Systems LLC

San Diego · Notice of Intent · 0.33 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Coastal Transportation

San Diego · Notice of Intent · 0.03 km away

derived_receiving_water

Derived by California Stormwater Intelligence

CubeSmart 445

San Diego · Notice of Non-Applicability · 0.56 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Laird Plastics dba ePlastics

San Diego · No Exposure Certification · 0.49 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Safran Power Units San Diego, LLC

San Diego · Notice of Intent · 0.65 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Saint Gobain Solar Gard LLC

San Diego · Notice of Intent · 0.70 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Sanders Composites Inc

San Diego · Notice of Intent · 0.53 km away

derived_receiving_water

Derived by California Stormwater Intelligence

SFPP LP Mission Valley Term

San Diego · Notice of Intent · 0.10 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Solar Turbines Kearny Mesa Fac

San Diego · Notice of Intent · 0.63 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Strategic Operations

San Diego · Notice of Intent · 0.84 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Vas Engineering Inc

San Diego · Notice of Intent · 0.31 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.