← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Butte Creek (Butte County)

Waterbody ID (WBID)
CAR5204000020020610131525
County / counties
Butte, Colusa, Glenn
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
Benzo(a)anthraceneToxic Organics146548List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Benzo(a)pyreneToxic Organics146547List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Benzo[k]fluorantheneToxic Organics146550List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Chrysene (C1-C4)Toxic Organics146551List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Dibenz[a,h]anthraceneToxic Organics146552List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Indeno[1,2,3-cd]pyreneToxic Organics146555List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MercuryMetals145013Do 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
CAR5204000020020610131525
CALWNUM
52040000
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
92.77 Miles

Derived facility associations

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

Derived
Mathews Readymix Chico

Chico · Notice of Intent · 0.35 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.