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Waterbody profile

Official Water Board record · 2026 cycle

Mission Creek Channel

Waterbody ID (WBID)
CAE2044001020020129151327
County / counties
San Francisco
Regional Water Board
Regional Board 2 - San Francisco Bay Region
Waterbody type
Estuary
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (11)

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
AmmoniaNutrients151516Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ChlordanePesticides151244Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
DieldrinPesticides151245Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Hydrogen SulfideToxic Inorganics151248Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Indicator BacteriaPathogens149035List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
LeadMetals151246Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MercuryMetals151575Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PAHs (Polycyclic Aromatic Hydrocarbons)Toxic Organics151574Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PCBs (Polychlorinated biphenyls)Toxic Organics154328Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLSan Francisco Bay PCBs
SilverMetals151247Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ZincMetals151249Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow

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
CAE2044001020020129151327
CALWNUM
2204.400102
WBD code
180500041001
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
26.94 Acres

Facilities with an NAL exceedance for a listed pollutant (1)

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

Westar Marine Services2 38I016043

Zinc · most recent exceedance RY 2020 · 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
Bauers Intelligent Transportation

San Francisco · Notice of Intent · 0.55 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Cal Train SF Mechanical Yard

San Francisco · No Exposure Certification · 0.29 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

iRhythm Technologies

San Francisco · No Exposure Certification · 0.46 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Plethora Corporation

San Francisco · No Exposure Certification · 0.92 km away

derived_receiving_water

Derived by California Stormwater Intelligence

UPS San Francisco CASAN

San Francisco · No Exposure Certification · 0.88 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Westar Marine Services

San Francisco · Notice of Intent · 0.53 km away

derived_nearby_in_watershed

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.