Stockton Deep Water Ship Channel (in Delta Waterways)

2026 303(d) list Waterbody ID CAE5440000020021115141407 River & Stream Region 5 · Central Valley

At a glance

2026 listing Evidence: State-published
On the 2026 303(d) list · 8 Appendix A decisions
Category 5: a TMDL is required
What a listing means
Pollutants and stressors
8 pollutants in 6 Appendix A categories
Metals (1) · Nutrients (2) · Other Cause (1) · Pesticides (2) · Total Toxics (1) · Toxic Organics (1)
Listing decisions
TMDL information Evidence: State-published
8 decisions with a TMDL requirement status; 3 name a TMDL project
Status codes as published: 5A, 5B
TMDL details
Regional Water Board
Region 5 · Central Valley
River & Stream · Map
Industrial stormwater facilities
0 report it as their receiving water Evidence: identification corroborated
92 within 1 km Evidence: geographic proximity
Neither count establishes a discharge · Facilities

What a 303(d) listing means

The Clean Water Act section 303(d) list names waters that do not meet water quality standards for one or more pollutants or stressors. California publishes it in the Integrated Report; this page shows the 2026 decisions from Appendix A as published.

2026 listing status Evidence: State-published

On the 2026 303(d) list
Yes
Appendix A decisions
8
Integrated Report category
5 (a TMDL is required)
Listing cycle
2026
State Board adoption
2026-02-03 (Resolution 2026-0005)
USEPA approval
not confirmed — submittal letter to USEPA published; no approval found on the report page (checked 2026-10-22)
Regional Water Board
5 — Central Valley

Published by the State Water Resources Control Board (2026 California Integrated Report, Appendix A). Listing status is taken from Appendix A only. A listing describes the condition of this waterbody, not of any facility.

Location

Loading the waterbody shape…

Listing decisions and pollutants Evidence: State-published

Grouped by the Pollutant Category published in Appendix A. Pollutant names, categories and decisions are exactly as published.

Metals (1 decision)

Metals: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
MercuryMetals5 Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)RevisedAgricultural Return Flows Atmospheric Deposition Industrial Point Sources Municipal Point Sources Natural Sources Resource Extraction See TMDL documentation Urban Runoff/Storm Sewers 131349

Nutrients (2 decisions)

Nutrients: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
Organic Enrichment/Low Dissolved OxygenNutrients5 Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)OriginalA Source Unknown 71705
Oxygen, DissolvedNutrients5 List on 303(d) list (being addressed by USEPA approved TMDL)RevisedA Source Unknown 156799

Other Cause (1 decision)

Other Cause: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
Temperature, waterOther Cause5 Do Not Delist from 303(d) list (TMDL required list)RevisedA Source Unknown 156802

Pesticides (2 decisions)

Pesticides: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
DDT (Dichlorodiphenyltrichloroethane)Pesticides5 Do Not Delist from 303(d) list (TMDL required list)RevisedA Source Unknown 126854
ImidaclopridPesticides5 List on 303(d) list (TMDL required list)RevisedA Source Unknown 156805

Total Toxics (1 decision)

Total Toxics: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
ToxicityTotal Toxics5 Do Not Delist from 303(d) list (TMDL required list)RevisedA Source Unknown 156803

Toxic Organics (1 decision)

Toxic Organics: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
PCBs (Polychlorinated biphenyls)Toxic Organics5 Do Not Delist from 303(d) list (TMDL required list)RevisedA Source Unknown 115629

TMDL information Evidence: State-published

TMDL information published for this waterbody
PollutantTMDL requirement statusTMDL projectPriorityUSEPA approval of TMDLExpected attainment
DDT (Dichlorodiphenyltrichloroethane)5A— Low——
Imidacloprid5A— Low——
Mercury5BDelta Methylmercury TMDL Project —2011-10-20—
Organic Enrichment/Low Dissolved Oxygen5BSan Joaquin River Dissolved Oxygen —2007-02-27—
Oxygen, Dissolved5BSan Joaquin River Dissolved Oxygen —2007-02-27—
PCBs (Polychlorinated biphenyls)5A— Low——
Temperature, water5A— Low——
Toxicity5A— Low——

This is TMDL information for the waterbody. It does not establish that a TMDL applies to any particular facility. Facility-specific TMDL requirements recorded in SMARTS appear on facility pages and are not linked to this waterbody until reviewed.

HUC12 watersheds

Published with the listing Evidence: publisher-reported

None published.

Overlapping the waterbody's shape Evidence: spatial

Industrial stormwater facilities

Evidence: identification corroborated

Shows: the facility named this waterbody as its receiving water in SMARTS, and the name and the facility's location are consistent with it. Does not establish: a discharge pathway, a discharge of any pollutant, or a cause of the listing.

Evidence: geographic proximity

Shows: the facility's reported location is within 1 km of the waterbody's mapped shape. Does not establish: that the facility discharges to this waterbody, or any other relationship.

Report this waterbody as their receiving water Evidence: identification corroborated

No facility's reported receiving water is identified as this waterbody.

Within 1 km of a facility's reported location Evidence: geographic proximity

Spatial proximity only; discharge pathway not established. Being near this waterbody does not mean a facility discharges to it.

Facilities whose reported location is within 1 km of this waterbody
FacilityWDIDStatusDistanceMap
Delta Marine Services Inc5S39I019792 Active124 m map
Collins Boat Works5S39I001098 Terminated126 m map
Citron Inc5S39I009665 Terminated137 m map
Sigma Circuits Inc5S39I011943 Terminated137 m map
Wilmar Oils and Fats Stockton LLC5S39I024189 Active145 m map
NuStar Terminals Operations Partnership LP5S39I020889 Terminated145 m map
Ivaldi, Ernest5S39I011221 Terminated155 m map
Marine Services5S39I012522 Terminated155 m map
Willis Northbank5S39I005335 Terminated173 m map
Union Ice Co5S39I009255 Terminated198 m map
Yara Stockton Bulk Fertilizer Warehouse5S39I022499 Terminated232 m map
Nevada Cement Company LLC5S39I030663 Active244 m map
Automatic Switch Co5S39I009644 Terminated268 m map
Citation Ent5S39I009667 Terminated270 m map
Sigma Circuits Inc5S39I011942 Terminated270 m map
Tyco Stockton Core Site5S39I014606 Terminated270 m map
Stockton Cold Storage LLC5S39NEC013528 Active279 m map
Stockton Cold Storage5S39IN604585 Terminated284 m map
Stockton Cold Storage5S39NEC004615 Terminated284 m map
Ladd Marina5S39I003890 Terminated332 m map
American Biodiesel Inc DBA Community Fuels5S39I021262 Terminated338 m map
Canary Renewables Corp5S39I029867 Terminated338 m map
Canary Renewables Corp5S39I030023 Terminated338 m map
Citation Circuits5S39I009666 Terminated348 m map
Sigma Circuits Inc5S39I011941 Terminated348 m map
Tyco Stockton Main Site5S39I014607 Terminated348 m map
American River Ag Port of Stockton5S39I030708 Active354 m map
Lehigh Southwest Cement Co Stockton5S39I020191 Terminated356 m map
Ferguson Enterprises LLC5S39I020100 Terminated359 m map
Pacific Boat Services5S39I029347 Active363 m map
Pac Storage Co5S39I003974 Terminated366 m map
Penny Newman Grain Co5S39I016946 Active390 m map
Shell Oil Prod US Equilon Stoc5S39I015326 Terminated392 m map
BM Storage Corp5S39I007035 Terminated401 m map
Central CA Traction Co5S39I016045 Active455 m map
Bulk Warehouse Services5S39I031022 Active456 m map
DTE Stockton LLC5S39I024333 Active458 m map
Stockton Iron Works5S39I016902 Terminated459 m map
ANCON KOT Logistics5S39I026138 Terminated461 m map
Carry Transit5S39I022886 Active473 m map
sulphuric acid trading company5S39I031233 Terminated522 m map
Interacid North America Inc5S39I028256 Active528 m map
US Navy Communications5S39I001639 Terminated560 m map
Metropolitan Stevedore Co5S39I022738 Active604 m map
Crowne Cold Storage5S39I025859 Active608 m map
Calamco Stockton Terminal5S39I019908 Terminated610 m map
Central Valley Ag Grinding Stockton5S39I026348 Terminated616 m map
Central Valley Ag Grinding Stockton5S39I029054 Terminated616 m map
Canary Renewables Corp5S39NNA003451 NONA Submitted665 m map
CA Cedar Prod Co5S39I000507 Terminated671 m map

92 facilities, nearest first. Page 1 of 2: next

Sources and provenance

Sources behind this page
InformationSourceRetrieved
Watershed Boundary Dataset HU2 GeoPackages 15, 16, 18 (WBDHU12)USGS2026-10-22
2026 California Integrated Report, Appendix A: 2026 303(d) List (final)SWRCB2026-10-22
Final_2026_Rivers_and_Streams + Final_2026_Lakes_and_Reservoirs (FeatureServer 0)SWRCB GIS2026-10-22
SMARTS TMDL requirementsSMARTS2026-10-21

Relationships computed 2026-10-22 (facility_huc12/1, proximity/1, receiving_water/2, tmdl_reference/1, waterbody_huc12_ovl/1, waterbody_huc12_pub/1).

Integrated Report categories: 5, a TMDL is required; 4a, addressed by a USEPA-approved TMDL; 4b, addressed by other pollution control requirements; 4c, impairment not caused by a pollutant.