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Waterbody profile

Official Water Board record · 2026 cycle

Stevens Creek Reservoir

Waterbody ID (WBID)
CAL2055003120050519182844
County / counties
Santa Clara
Regional Water Board
Regional Board 2 - San Francisco Bay Region
Waterbody type
Lake & Reservoir
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (4)

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
ChlordanePesticides151274Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
DieldrinPesticides151275Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
MercuryMetals151602Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PCBs (Polychlorinated biphenyls)Toxic Organics151276Do 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
Aug 21, 2026, 12:44 AM UTC
Waterbody ID
CAL2055003120050519182844
WBD code
180500030403
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
82.78 Acres

Derived facility associations

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

Derived
PyrAmes Office

Cupertino · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Rhys Vineyards LLC

Los Gatos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Ridge Winery

Cupertino · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Savannah Chanelle Vineyards

Saratoga · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Valley Oil Co

Mountain View · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Winery at R & W Vineyards

Cupertino · No Exposure Certification

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.