Eureka Plain HU, Freshwater Creek

Waterbody ID (WBID): CAR1100005019980707102630
County / counties: Humboldt
Regional Water Board: Regional Board 1 - North Coast 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 / stressor	Decision ID	Final listing decision	Decision status	TMDL requirement status	TMDL project	TMDL priority
AluminumMetals	168444	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
SedimentSediment	168445	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
Sedimentation/SiltationSediment	78002	Do Not Delist from 303(d) list (TMDL required list)	Original	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, 10:56 PM UTC
Waterbody ID: CAR1100005019980707102630
CALWNUM: 1110.000101, 1110.000102, 1110.000103, 1110.000104, 1110.000105
WBD code: 180101020602, 180101020605
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: 114.22 Miles

Facilities with an NAL exceedance for a listed pollutant (5)

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

ARCATA SCRAP AND SALVAGE INC1 12I028461

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

Hawthorne Street Transfer Station1 12I016073

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

Hilfiker Pipe Co1 12I010621

Aluminum · most recent exceedance RY 2016 · association: derived watershed association

HUMBOLDT BAY HARBOR DISTRICT1 12I019819

Aluminum · most recent exceedance RY 2017 · association: derived watershed association

Johns Used Cars & Wreckers1 12I010173

Aluminum · most recent exceedance RY 2020 · 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

Alves Incorporated

Arcata · Notice of Intent

derived_watershed_association