Santa Fe Dam Park Lake

Waterbody ID (WBID): CAL4053100020000303202907
County / counties: Los Angeles
Regional Water Board: Regional Board 4 - Los Angeles Region
Waterbody type: Lake & Reservoir
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 / stressor	Decision ID	Final listing decision	Decision status	TMDL requirement status	TMDL project	TMDL priority
MercuryMetals	149910	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
PCBs (Polychlorinated biphenyls)Toxic Organics	99571	List on 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	Low
pHOther Cause	99727	List on 303(d) list (being addressed by USEPA approved TMDL)	Original	5B — Addressed by USEPA-approved TMDL	Echo Park Lake, Peck Road Park lake, Lincoln Park Lake Trash (16)	—

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: CAL4053100020000303202907
CALWNUM: 4405.2
WBD code: 180701060601
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: 19.08 Acres

Facilities with an NAL exceedance for a listed pollutant (6)

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

Bassett USD Bus Maintenance Facility4 19I017980

pH · most recent exceedance RY 2018 · association: derived watershed association

California Expanded Metal Product4 19I009657

pH · most recent exceedance RY 2015 · association: derived watershed association

CLEANTECH4 19I027458

pH · most recent exceedance RY 2022 · association: derived nearby in watershed

Goldencorr Sheets LLC4 19I029471

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

Los Altos Food Products Inc4 19I026474

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

Mag Parts4 19I001038

pH · most recent exceedance RY 2016 · association: derived nearby in watershed

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

Able Card LLC

Azusa · No Exposure Certification

derived_watershed_association