← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Little Dry Creek, South Fork (Butte County)

Waterbody ID (WBID)
CAR5211001020211115035998
County / counties
Butte
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 (10)

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
AluminumMetals153742List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Benzo(a)pyreneToxic Organics148080List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Benzo[b]fluorantheneToxic Organics148082List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Benzo[k]fluorantheneToxic Organics148083List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Chrysene (C1-C4)Toxic Organics148085List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Dibenz[a,h]anthraceneToxic Organics148087List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Indeno[1,2,3-cd]pyreneToxic Organics148090List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
IronMetals148091List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
LeadMetals148093List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MercuryMetals148770List on 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
CAR5211001020211115035998
CALWNUM
5520.400001, 5521.100103
WBD code
180201580403
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
11.66 Miles

Facilities with an NAL exceedance for a listed pollutant (1)

Geographically associated industrial stormwater facilities whose reported results exceeded an Industrial General Permit Numeric Action Level for a pollutant this waterbody is listed for.

Derived

NORTHERN RECYCLING AND WASTE5R04I022379

Aluminum, Iron · most recent exceedance RY 2021 · association: derived receiving water

This is derived co-occurrence between a calculated NAL comparison and the official 303(d) listing for this waterbody. An NAL exceedance triggers Exceedance Response Actions under the permit; it is not a violation and does not establish that any facility caused or contributed to this impairment.

Derived facility associations

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

Derived
Casey Utility Services

Paradise · Notice of Intent · 0.67 km away

derived_receiving_water

Derived by California Stormwater Intelligence

NORTHERN RECYCLING AND WASTE

Paradise · Notice of Intent · 0.55 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Paradise USD Bus Maintenance Yard

Paradise · Notice of Intent · 0.89 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.