← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Santa Ysabel Creek (below Sutherland Reservoir)

Waterbody ID (WBID)
CAR9052100020091030160355
County / counties
San Diego
Regional Water Board
Regional Board 9 - San Diego Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (6)

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 Cause126273List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ManganeseMetals113932List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
NitrogenNutrients127331List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
PhosphorusNutrients113937List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
Total Dissolved SolidsSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES113941List on 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
ToxicityTotal Toxics113942List 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
CAR9052100020091030160355
CALWNUM
4905.210000, 4905.310000, 4905.320000
WBD code
180703040205, 180703040301
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
4.13 Miles

Derived facility associations

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

Derived
Altipiano Vineyard and Winery LLC

Escondido · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Amazon com Services LLC SCA4

San Diego · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Bernardo Winery Incorporated

San Diego · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Environmental Lights

San Diego · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Highland Valley Vineyards

Escondido · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Hungry Hawk Vineyards & Winery

Escondido · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Manzanita Roasting Company

Poway · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Mia Marie Vineyards

Escondido · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

North County Self Storage LLC

Escondido · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

NUBS Plastics Inc

Vista · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Old Coach Vineyards & Winery

Poway · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

San Marcos Self Storage LLC

San Marcos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

San Pasqual USD

Escondido · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Superior Ready Mix San Pasqual

Escondido · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Veruca

Poway · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

ZXQ Vineyards

Escondido · 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.