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Waterbody profile

Official Water Board record · 2026 cycle

Shasta Lake

Waterbody ID (WBID)
CAL5061000020080922152749
County / counties
Shasta
Regional Water Board
Regional Board 5 - Central Valley Region
Waterbody type
Lake & Reservoir
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (1)

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
MercuryMetals131624Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow

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
CAL5061000020080922152749
CALWNUM
50610000
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
11443.47 Acres

Derived facility associations

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

Derived
Antlers Resort Marina

Lakehead · Notice of Intent · 0.60 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Bridge Bay Resort Marina

Redding · Notice of Intent · 0.09 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Holiday Harbor Inc

O'brien · Notice of Intent · 0.00 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Jones Valley Resort

Redding · Notice of Intent · 0.04 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Shasta Marina at Packers Bay

Lakehead · Notice of Intent · 0.01 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.