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Waterbody profile

Official Water Board record · 2026 cycle

Turner Slough (drains into San Joaquin River (Bear Creek to Mud Slough), Merced County)

Waterbody ID (WBID)
CAR5412000020101114231648
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 (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
Indicator BacteriaPathogens167073Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Oxygen, DissolvedNutrients164043Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ToxicityTotal Toxics159929Do 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
CAR5412000020101114231648
CALWNUM
6535.700000, 6541.200000
WBD code
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.

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Watershed
—
Assessed size
1.28 Miles

Derived facility associations

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

Derived
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

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.