← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

New River (Imperial County)

Waterbody ID (WBID)
CAR7231000019990205102948
County / counties
Imperial
Regional Water Board
Regional Board 7 - Colorado River Basin Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (32)

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
AmmoniaNutrients172116Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
BifenthrinPesticides170763Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High
ChlordanePesticides155942Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDL—
ChlorideSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES171923Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ChlorpyrifosPesticides155946Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDL—
CyfluthrinPesticides170768List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Cyhalothrin, LambdaPesticides170769Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High
CypermethrinPesticides169357Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High
DDE (Dichlorodiphenyldichloroethylene)Pesticides170554Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDL—
DDT (Dichlorodiphenyltrichloroethane)Pesticides170555Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDL—
DeltamethrinPesticides169358List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
DiazinonPesticides155955Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still requiredImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDLHigh
DieldrinPesticides155963Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDL—
DimethoatePesticides156022List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
DisulfotonPesticides155964Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Esfenvalerate/FenvaleratePesticides170771List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Hexachlorobenzene/ HCBPesticides155976Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ImidaclopridPesticides170760Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Indicator BacteriaPathogens169612Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLNew River Pathogens TMDL—
MalathionPesticides155982Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDL—
MercuryMetals172126Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
NutrientsNutrients68100Do Not Delist from 303(d) list (TMDL required list)Original5A — TMDL still required—Low
Organic Enrichment/Low Dissolved OxygenNutrients68712Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLNew River Organic Enrichment/LDissolved Oxygen TMDL—
Oxygen, DissolvedNutrients171926List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
PCBs (Polychlorinated biphenyls)Toxic Organics156000Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still requiredImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDLHigh
PermethrinPesticides169359List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
PyrethroidsPesticides169356Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High
SedimentSediment68342Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Original5B — Addressed by USEPA-approved TMDLNew River Sediment TMDL—
SeleniumMetals159211Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ToxaphenePesticides156010Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLImperial Valley Organochlorine Compounds and Organophosphate Pesticides TMDL—
ToxicityTotal Toxics159212Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High
TrashTrash69763Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Original5B — Addressed by USEPA-approved TMDLNew River Trash TMDL—

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, 10:57 PM UTC
Waterbody ID
CAR7231000019990205102948
CALWNUM
10723.100000, 10728.000000
WBD code
181002040902, 181002040904, 181002040905
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
65.1 Miles

Derived facility associations

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

Derived
A&A Auto Dismantlers

Calexico · Notice of Intent · 0.93 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Cal Pac Recycling Inc

Calexico · Notice of Intent · 0.72 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Calexico Auto Dismantlers Inc

Calexico · Notice of Intent · 0.30 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Calexico International Airport

Calexico · Notice of Intent · 0.12 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Calexico SWS

Calexico · Notice of Intent · 0.18 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Central Transport

Calexico · No Exposure Certification · 0.91 km away

derived_receiving_water

Derived by California Stormwater Intelligence

City of Calexico

Calexico · Notice of Intent · 0.16 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Estes West

Calexico · No Exposure Certification · 0.59 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Seeley Operation

Seeley · Notice of Intent · 0.53 km away

derived_receiving_water

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.