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Waterbody profile

Official Water Board record · 2026 cycle

Mokelumne River, Lower (San Joaquin County, outside Delta Waterways)

Waterbody ID (WBID)
CAR5312000020221108039157
County / counties
San Joaquin
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 (3)

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
CopperMetals160545Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
MercuryMetals169312Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)Revised5B — Addressed by USEPA-approved TMDLDelta Methylmercury TMDL Project—
ToxicityTotal Toxics160553Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low

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
CAR5312000020221108039157
CALWNUM
6531.2
WBD code
180400120803, 180400121102
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
42.46 Miles

Derived facility associations

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

Derived
Acquiesce Winery

Acampo · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Buena Vista Landfill

Ione · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Calpine Containers Inc

Lodi · No Exposure Certification · 0.98 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Calpine Containers Inc

Lodi · Notice of Non-Applicability · 0.98 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Cemex Construction Materials Pacific LLC

Lodi · Notice of Intent · 0.31 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Central Valley Waste Services

Lodi · Notice of Intent · 0.44 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Cesars Maintance & Hauling inc

Woodbridge · Notice of Non-Applicability · 0.48 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Cluff Storage LLC

Lodi · Notice of Non-Applicability · 0.63 km away

derived_receiving_water

Derived by California Stormwater Intelligence

cobra junk haulers

Lodi · Notice of Non-Applicability · 0.42 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Din Dismantlers

Lodi · Notice of Intent · 0.65 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Durst Winery

Acampo · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Epic Plastics

Lodi · Notice of Intent · 0.35 km away

derived_receiving_water

Derived by California Stormwater Intelligence

George Reed Clements

Clements · Notice of Intent · 0.09 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

GM Statewide Storage LTD

Lodi · Notice of Non-Applicability · 0.24 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Heritage Oak Winery

Acampo · No Exposure Certification · 0.53 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Hester Grinding Inc

Lodi · No Exposure Certification · 0.80 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Lodi Distribution Center (LDC)

Lodi · Notice of Non-Applicability · 0.97 km away

derived_receiving_water

Derived by California Stormwater Intelligence

MD Cabinets

Lodi · No Exposure Certification · 0.53 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Oak Ridge Winery LLC

Lodi · Notice of Non-Applicability · 0.96 km away

derived_receiving_water

Derived by California Stormwater Intelligence

P&R Recycling

Lodi · No Exposure Certification · 0.84 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Park & Haul Dumpster Rental

Lodi · Notice of Non-Applicability · 0.32 km away

derived_receiving_water

Derived by California Stormwater Intelligence

R & A Auto Dismantling LLC

Lodi · Notice of Intent · 0.49 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Remarco Properties 853 Cluff Ave

Brentwood · Notice of Non-Applicability · 0.33 km away

derived_receiving_water

Derived by California Stormwater Intelligence

St Jorge Winery

Acampo · No Exposure Certification · 0.44 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Tiger Lines LLC

Lodi · Notice of Intent · 0.56 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Trilogy MedWaste West Lodi

Lodi · No Exposure Certification · 0.85 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Tusco Casting Corp

Lodi · No Exposure Certification · 0.96 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Twisted Barrel Winery

Lodi · No Exposure Certification · 0.53 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Twisted Barrel Winery

Lodi · No Exposure Certification · 0.55 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Vinarija Drava LLC

Lodi · No Exposure Certification · 0.59 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Woodbridge Winery

Acampo · Notice of Intent · 0.32 km away

derived_nearby_in_watershed

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.