← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Alameda Creek

Waterbody ID (WBID)
CAR2043005119990218134634
County / counties
Alameda, Santa Clara
Regional Water Board
Regional Board 2 - San Francisco Bay Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (5)

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
AmmoniaNutrients150833List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Benthic Community EffectsOther Cause154194List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
DiazinonPesticides141660Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLSan Francisco Bay Urban Creeks Diazinon—
Oxygen, DissolvedNutrients141670List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ToxicityTotal Toxics141676List 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, 10:56 PM UTC
Waterbody ID
CAR2043005119990218134634
CALWNUM
2204.200400, 2204.300409, 2204.300501, 2204.300502, 2204.300503, 2204.300507, 2204.300508, 2204.300802, 2204.300803
WBD code
180500040601, 180500040602, 180500040603, 180500040702
Geometry
Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

Location

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

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Watershed
—
Assessed size
40.78 Miles

Derived facility associations

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

Derived
ABC Bus Inc

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

AER Worldwide

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Allogene Therapeutics

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Alviso Rock Inc

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Amazon com Services Inc OAK5 7

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Amazon com Services LLC DXC5

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

AnaSpec Inc

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Aspire Bakeries Holdco LLC

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Benchmark Electronics

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

BFI Waste System of N America

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Blommer Chocolate

Union City · Notice of Intent · 0.97 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

BluGlass Inc

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Boehringer Ingelheim Fremont Inc

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Boehringer Ingelheim Fremont Inc

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Boehringer Ingelheim Fremont Inc

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Britech Electropolishing

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

California Brazing

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

derived_watershed_association

Derived by California Stormwater Intelligence

Celestica Precision Machining

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Cellotape Inc

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Cepheid

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Certainteed LLC

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

CGI Hartung Glass Industries

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Commercial Casework Inc

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Conklin Conklin Inc

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Crown Mfg Co Inc

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Delta Pacific Products

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Dumbarton Quarry

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Durham School Services Fremont

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Electrochem Solutions Inc

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Emerald Packaging Inc

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

EquipmentShare

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

EUREKA

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

European Auto Wrecking

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

FedEx Ground ZFMT

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Ferma Corp

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Finisar Fremont

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Five Star Lumber Co

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Flyers Energy 3016

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Freewire Technology

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Fremont Cycle Salvage & Accessories

Fremont · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Fremont Recycling Transfer Station

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

GCM Medical and OEM Inc

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

GCM Medical and OEM Inc

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Gooch and Housego Palo Alto LLC

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

GXO Logistics

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

HECO Pacific Manufacturing

Union City · Notice of Intent · 0.82 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Hook and Ladder Winery

Santa Rosa · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

IDI Distributors

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

IMG Altair LLC

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

International Paper Fremont Recycling

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

IRCA Union City Facility

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

J Cam Fiberglass Inc

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

derived_watershed_association

Derived by California Stormwater Intelligence

Kateeva

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Kellys Concrete Bldg MTLS

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

KYOCERA SLD Laser Inc

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

La Terra Fina USA Inc

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Lucid Motors

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Master Builders Solutions

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Matheson Tri Gas Newark

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Membrane Technology & Research

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Meta Bus Hub Little Boyce

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Meta Bus Parking Facility Newark

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Meta NEW102

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Mitac Information Systems Corporation

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

MPP Union City

Union City · Notice of Intent · 0.86 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

MV Transportation Div 22

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Nationwide Boiler Inc

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Nefab Packaging West LLC

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Neuralink

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Niles Canyon Railway

Sunol · Notice of Non-Applicability · 0.06 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Niles Canyon Railway

Sunol · Notice of Intent · 0.06 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Oak Harbor Freight Lines Newark

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

OnCore Manufacturing LLC dba NEO Tech

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

One Access Medical Transportation

Newark · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Pabco Gypsum

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Pape Machinery Inc

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Penske Logistics Union City

Union City · Notice of Intent · 0.76 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Pick-n-pull Newark #43

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

PTR Manufacturing Inc

Union City · No Exposure Certification · 0.95 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Quanta Computer USA

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Quiet Rock by Pabco Gypsum

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Quikrete California LLC

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

RXO Last Mile

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Safety Kleen of California Inc

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Sanmina Corporation Fremont

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Sanmina SCI Plant III

Newark · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

SMART Modular Technologies

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Smiths Detection

Newmark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

South Bay Solutions

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Sterling Foods Caravan Foods II

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Sterling Foods Caravan Foods II

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Stevens Creek Quarry Sheridan

Sunol · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Sunol Plant

Sunol · Notice of Intent · 0.28 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Sysco Food Services San Francisco

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

TE Connectivity

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Teledyne ETM Inc

Newark · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

TR Manufacturing LLC

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

TRI CED COMMUNITY RECYCLING

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Tri Cities Recycling Disposal

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

UMO STEEL INC

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

UniFab Industries Inc

Fremont · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Union City Ready Mix

Union City · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

UPS Southeast Bay CASEB

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

USK Manufacturing

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Von Euw & Nunes truck yard

Fremont · No Exposure Certification · 0.20 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Walters Wolf Precast

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Walters & Wolf

Fremont · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

XPO Last Mile 1620 Atlantic St

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Zoetis LLC

Union City · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Zosano Pharma

Fremont · No Exposure Certification

derived_watershed_association

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.