Salinas River (lower, estuary to near Gonzales Rd crossing, watersheds 30910 and 30920)

2026 303(d) list Waterbody ID CAR3091101020021007193102 River & Stream Region 3 · Central Coast

At a glance

2026 listing Evidence: State-published
On the 2026 303(d) list · 27 Appendix A decisions
Category 5: a TMDL is required
What a listing means
Pollutants and stressors
27 pollutants in 9 Appendix A categories
Metals (6) · Nutrients (1) · Other Cause (3) · Pathogens (2) · Pesticides (9) · SALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES (3) · Sediment (1) · Total Toxics (1) · Toxic Organics (1)
Listing decisions
TMDL information Evidence: State-published
27 decisions with a TMDL requirement status; 4 name a TMDL project
Status codes as published: 5A, 5B
TMDL details
Regional Water Board
Region 3 · Central Coast
River & Stream · Map
Industrial stormwater facilities
0 report it as their receiving water Evidence: identification corroborated
19 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
27
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
3 — Central Coast

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 (6 decisions)

Metals: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
AluminumMetals5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 151467
ArsenicMetals5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108235
ChromiumMetals5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108324
ManganeseMetals5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108265
NickelMetals5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108270
SeleniumMetals5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108285

Nutrients (1 decision)

Nutrients: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
NitrateNutrients5 Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)RevisedAgriculture Domestic Animals/Livestock Natural Sources Urban Runoff/Storm Sewers 150842

Other Cause (3 decisions)

Other Cause: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
Benthic Community EffectsOther Cause5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 150796
pHOther Cause5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108279
Temperature, waterOther Cause5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 126134

Pathogens (2 decisions)

Pathogens: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
EnterococcusPathogens5 List on 303(d) list (TMDL required list)OriginalA Source Unknown 82868
Escherichia coli (E. coli)Pathogens5 Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)RevisedDomestic Animals/Livestock Illegal dumping Urban Runoff/Storm Sewers 130123

Pesticides (9 decisions)

Pesticides: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
BifenthrinPesticides5 List on 303(d) list (being addressed by USEPA approved TMDL)RevisedAgriculture Urban Runoff/Storm Sewers 148970
ChlordanePesticides5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108243
DDD (Dichlorodiphenyldichloroethane)Pesticides5 List on 303(d) list (TMDL required list)RevisedNo Source Analysis Available 130065
DDE (Dichlorodiphenyldichloroethylene)Pesticides5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 130129
DDT (Dichlorodiphenyltrichloroethane)Pesticides5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 129832
DieldrinPesticides5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108251
FipronilPesticides5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 148968
ImidaclopridPesticides5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 148969
ToxaphenePesticides5 List on 303(d) list (TMDL required list)OriginalA Source Unknown 70713

SALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES (3 decisions)

SALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
ChlorideSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108244
SodiumSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108288
Total Dissolved SolidsSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108290

Sediment (1 decision)

Sediment: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
TurbiditySediment5 Do Not Delist from 303(d) list (TMDL required list)RevisedNo Source Analysis Available 108294

Total Toxics (1 decision)

Total Toxics: Appendix A decisions
PollutantPollutant categoryCategoryFinal listing decisionDecision statusSourcesDecision ID
ToxicityTotal Toxics5 Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)RevisedAgriculture Urban Runoff/Storm Sewers 148225

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)RevisedNo Source Analysis Available 108282

TMDL information Evidence: State-published

TMDL information published for this waterbody
PollutantTMDL requirement statusTMDL projectPriorityUSEPA approval of TMDLExpected attainment
Aluminum5A— Low——
Arsenic5A— Low——
Benthic Community Effects5A— Low——
Bifenthrin5BSalinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority —2018-08-09—
Chlordane5A— Low——
Chloride5A— Low——
Chromium5A— Low——
DDD (Dichlorodiphenyldichloroethane)5A— Low——
DDE (Dichlorodiphenyldichloroethylene)5A— Low——
DDT (Dichlorodiphenyltrichloroethane)5A— Low——
Dieldrin5A— Low——
Enterococcus5A— Low——
Escherichia coli (E. coli)5BSalinas River Fecal Coliform —2013-01-31—
Fipronil5A— Low——
Imidacloprid5A— Low——
Manganese5A— Low——
Nickel5A— Low——
Nitrate5BSalinas River Nutrients —2015-10-13—
PCBs (Polychlorinated biphenyls)5A— Low——
pH5A— Low——
Selenium5A— Low——
Sodium5A— Low——
Temperature, water5A— Low——
Total Dissolved Solids5A— Low——
Toxaphene5A— Low——
Toxicity5BSalinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority —2018-08-09—
Turbidity5A— 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

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
Gabilan Ag Services Gonzales Composting Facility3 27I028777 Active132 m map
Kings Towing Auto Wreckers3 27I027595 Terminated177 m map
Kings Towing3 27IN603729 NOI Required190 m map
Gabilan Ag Services3 27I024217 Terminated290 m map
Spreckels Industrial Park LLC3 27NNA002236 NONA Submitted506 m map
Spreckels Industrial Park LLC3 27NNA002259 No Action Required506 m map
Monterey Reg Waste Mngt Dist3 27I005220 Active527 m map
Dole Cooling3 27IN608071 NOI Required554 m map
Navira Transport LLC3 27NNA002628 NONA Submitted675 m map
Spreckels Industrial Park LLC3 27I014263 Terminated677 m map
Bud Antle LLC3 27I031379 Active715 m map
Valley Pallet Salinas3 27I031044 Active728 m map
Dune Company of Salinas3 27I026944 Active755 m map
Helena Agri Enterprises LLC Salinas3 27I025352 Active826 m map
Valley Pallet3 27IN608072 NOI Required829 m map
Desertstar Systems LLC3 27NEC004071 Terminated876 m map
BWC Salinas3 27NEC009090 Active898 m map
Primo Brands Salinas3 27I025633 Terminated938 m map
Joby Aviation3 27NEC008647 Active999 m map

19 facilities, nearest first.

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.