← 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 required—Low
NitrogenNutrients132049List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
PhosphorusNutrients114161List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low

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
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.