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Waterbody profile

Official Water Board record · 2026 cycle

Corralitos Creek

Waterbody ID (WBID)
CAR3051001019990225102704
County / counties
Santa Cruz
Regional Water Board
Regional Board 3 - Central Coast Region
Waterbody type
River & Stream
Condition category
Category 5 — 303(d) listed, TMDL required
Integrated Report cycle
2026

303(d) listings (2)

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
pHOther Cause107034Do Not Delist from 303(d) list (TMDL required list)Revised5A TMDL still requiredLow
TurbiditySediment107039Do 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
CAR3051001019990225102704
CALWNUM
3305.100102, 3305.100301
WBD code
180600020802
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
13.56 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

PVUSD Transportation Yard3 44I026418

pH · most recent exceedance RY 2023 · 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
Lester Estate Wines

Aptos · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Margins Wine LLC

Watsonville · No Exposure Certification · 0.53 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Marinos Automotive Machine Shop

Freedom · No Exposure Certification · 0.60 km away

derived_receiving_water

Derived by California Stormwater Intelligence

PVUSD Transportation Yard

Watsonville · Notice of Intent · 0.98 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Watsonville - Freedom Blvd (Site 0144)

Watsonville · Notice of Non-Applicability · 0.64 km away

derived_receiving_water

Derived by California Stormwater Intelligence

Windy Oaks Estate Winery

Corralitos · 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.