← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Washeshu Creek

Waterbody ID (WBID)
CAR6352001119980805095744
County / counties
Placer
Regional Water Board
Regional Board 6 - Lahontan 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
Benthic Community EffectsOther Cause171776List on 303(d) list (being addressed by USEPA approved TMDL)Revised5B Addressed by USEPA-approved TMDLTMDL for Sediment in Washeshu Creek
ChlorideSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES163679List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Nitrogen, NitrateNutrients170405List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PhosphorusNutrients163680List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Sedimentation/SiltationSediment71560List on 303(d) list (being addressed by USEPA approved TMDL)Original5B Addressed by USEPA-approved TMDLTMDL for Sediment in Washeshu Creek
SulfatesToxic Inorganics163681List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Total Kjeldahl Nitrogen (TKN)Nutrients170418List 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
CAR6352001119980805095744
CALWNUM
8635.200101
WBD code
160501020202
Geometry
Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

Location

Official 2026 Water Board geometry. Demonstration facility markers are shown for context only.

Loading map…
Watershed
Assessed size
5.94 Miles

Derived facility associations

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

Derived
Tahoe Area Reg Transit Bus

Truckee · Notice of Intent

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.