← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Bouquet Canyon Creek (below Bouqet Reservoir)

Waterbody ID (WBID)
CAR4035200020110720112213
County / counties
Los Angeles
Regional Water Board
Regional Board 4 - Los Angeles Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (12)

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
BifenthrinPesticides139476List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
CyfluthrinPesticides139487List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Cyhalothrin, LambdaPesticides139489List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
CypermethrinPesticides139477List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
DeltamethrinPesticides139488List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Esfenvalerate/FenvaleratePesticides139492List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
FipronilPesticides139469List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Fipronil SulfonePesticides139494List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ImidaclopridPesticides139473List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PermethrinPesticides139499List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PyrethroidsPesticides139468List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ToxicityTotal Toxics139464List 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, 10:56 PM UTC
Waterbody ID
CAR4035200020110720112213
CALWNUM
40352000
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
18.58 Miles

Derived facility associations

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

Derived
Saugus Water Reclamation Plant

Santa Clarita · Notice of Intent · 0.59 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.