Santa Ana River Reach 6

Waterbody ID (WBID): CAR8015700020080921214849
County / counties: San Bernardino
Regional Water Board: Regional Board 8 - Santa Ana Region
Waterbody type: River & Stream
Condition category: Category 5 — 303(d) listed, TMDL required
Integrated Report cycle: 2026

303(d) listings (4)

Each row is one official listing decision from Appendix A of the Final 2026 California Integrated Report. Source terminology is preserved as published.

Pollutant / stressor	Decision ID	Final listing decision	Decision status	TMDL requirement status	TMDL project	TMDL priority
CadmiumMetals	133263	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
CopperMetals	132389	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
IronMetals	133272	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
LeadMetals	132390	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — 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: CAR8015700020080921214849
CALWNUM: 4801.570000, 4801.720000
WBD code: 180702030201, 180702030202, 180702030502, 180702030507
Geometry: Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

View official Water Board fact sheet ↗Download Appendix A source file ↗

Location

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

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Watershed: —
Assessed size: 22.92 Miles

Facilities with an NAL exceedance for a listed pollutant (4)

Geographically associated industrial stormwater facilities whose reported results exceeded an Industrial General Permit Numeric Action Level for a pollutant this waterbody is listed for.

Derived

Brydenscot Metal Products Inc8 36I013275

Iron · most recent exceedance RY 2025 · association: derived watershed association

East Valley Recycling Transfer8 36I023660

Copper, Iron · most recent exceedance RY 2025 · association: derived watershed association

Hayden Industrial Products8 36I023252

Copper, Iron · most recent exceedance RY 2021 · association: derived watershed association

Redlands Ready Mix8 36I001908

Iron · most recent exceedance RY 2019 · association: derived watershed association

This is derived co-occurrence between a calculated NAL comparison and the official 303(d) listing for this waterbody. An NAL exceedance triggers Exceedance Response Actions under the permit; it is not a violation and does not establish that any facility caused or contributed to this impairment.

Derived facility associations

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

Derived

A & Z Trucking

Redlands · Notice of Non-Applicability

derived_watershed_association