San Pablo Bay

Waterbody ID (WBID): CAB2061001019980928100945
County / counties: Contra Costa, Marin, Solano, Sonoma
Regional Water Board: Regional Board 2 - San Francisco Bay Region
Waterbody type: Bay & Harbor
Condition category: Category 5 — 303(d) listed, TMDL required
Integrated Report cycle: 2026

303(d) listings (10)

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
ChlordanePesticides	141097	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
DDT (Dichlorodiphenyltrichloroethane)Pesticides	151555	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
DieldrinPesticides	141103	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
Dioxin compounds (including 2,3,7,8-TCDD)Toxic Organics	151238	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
Furan CompoundsToxic Organics	151240	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
Invasive SpeciesOther Cause	170598	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
MercuryMetals	153022	Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	San Francisco Bay Mercury	—
PCBs (Polychlorinated biphenyls)Toxic Organics	141112	Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	San Francisco Bay PCBs	—
PCBs (Polychlorinated biphenyls) (dioxin-like)Toxic Organics	69085	List on 303(d) list (being addressed by USEPA approved TMDL)	Original	5B — Addressed by USEPA-approved TMDL	San Francisco Bay PCBs	—
SeleniumMetals	141114	Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	San Francisco Bay Selenium - North Bay	—

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: CAB2061001019980928100945
CALWNUM: 2206.100000, 2206.200003, 2206.300400, 2206.400201, 2206.500405, 2206.600104, 2206.600201, 2206.600202
WBD code: 180500020607, 180500020702, 180500020801, 180500020802
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.

Loading map…

Watershed: —
Assessed size: 110422.82 Acres

Derived facility associations

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

Derived

800 Alfred Nobel

Hercules · No Exposure Certification · 0.70 km away

derived_nearby_in_watershed