← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Los Banos Creek (below Los Banos Reservoir, Merced County)

Waterbody ID (WBID)
CAR5412000020080808200529
County / counties
Merced
Regional Water Board
Regional Board 5 - Central Valley Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (7)

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
BoronMetals159533Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Indicator BacteriaPathogens165303Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MalathionPesticides159547List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MolybdenumMetals159549Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Oxygen, DissolvedNutrients159552Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
SeleniumMetals164105List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ToxicityTotal Toxics159556Do Not Delist from 303(d) list (being addressed with action other than TMDL)Revised5C Addressed by action other than a 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
Aug 21, 2026, 12:44 AM UTC
Waterbody ID
CAR5412000020080808200529
CALWNUM
6541.200000, 6542.420000
WBD code
180400010605, 180400011902, 180400011905, 180400012102, 180400012103
Geometry
Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

Location

Official 2026 Water Board geometry. Demonstration facility markers are shown for context only.

Loading map…
Watershed
Assessed size
32.15 Miles

Derived facility associations

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

Derived
420 Mercey Springs SP LLC

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

A and S Metals

Los Banos · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

A&S TRANSPORT EXPRESS INC

Los Banos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

American Self Storage

Los Banos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

BRAVO FOODS ENTERPRISESINC DBA PRODUCTOS D TRADICION

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

California Dairies Inc

Los Banos · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

derived_watershed_association

Derived by California Stormwater Intelligence

CEMEX Construction Materials Pacific LLC dba American Transit Mix

Los Banos · Notice of Intent · 0.22 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

City Taxi

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Corona Express Taxi

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

El grano de oro

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Former Los Banos Landfill

Los Banos · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

G St Storage

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

GH Trucking

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

H & S Trucking

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Home based Business

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Ideal Environmental

Los Banos · Notice of Non-Applicability · 0.54 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

IEM INNOVATION ENGINEERING MODULAR

Los Banos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Ingomar Packing Company LLC

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Juarez hauling

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Jugos Acapulco

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Julian Bonilla Trucking LLC

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Kagome Inc

Los Banos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Licos Hauling

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Los Banos

Los Banos · Notice of Intent · 0.30 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Los Banos Cab Taxi Service

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Los Banos City Airport

Los Banos · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Los Banos Mini Storage

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

MADERAS WELDING

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Maggies Macs & More Sweetshop

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Matias Santiago Hauling

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Mid Valley Disposal

Los Banos · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

molina recycling

Los Banos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

na

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Olive Tree Parking

Los Banos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Pacheco Mini Storage

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Quezada Recycling Center

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Ray Rays Natural Soap

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Ruiz neighborhood storage

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Sabonete Handmade

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Sandoval Wood Creations

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Saputo Dairy Foods

Gustine · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

StorQuest Los Banos

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

T J Signs

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

T M Cabinets

Los Banos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

USA Produce

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

USA PRODUCE

Los Banos · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Valley Auto Wreckers

Stevinson · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Valley Auto Wreckers

Stevinson · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Valley Auto Wreckers Inc

Stevinson · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Willmott Self Storage

Los Banos · Notice of Non-Applicability

derived_watershed_association

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.