← Impaired waters

Waterbody profile

Official Water Board record · 2026 cycle

Santa Ynez River (below city of Lompoc to Ocean)

Waterbody ID (WBID)
CAR3141004020050816125631
County / counties
Santa Barbara
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 (11)

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 Cause131892List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ChlorideSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES110190Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Escherichia coli (E. coli)Pathogens125876Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
MolybdenumMetals110214List on 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
NitrateNutrients128195Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High
Oxygen, DissolvedNutrients110223Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—High
Sedimentation/SiltationSediment68275List on 303(d) list (TMDL required list)Original5A — TMDL still required—Low
SodiumSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES110234Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Temperature, waterOther Cause126177Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
Total Dissolved SolidsSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES110236Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low
ToxicityTotal Toxics110237Do Not Delist from 303(d) list (TMDL required list)Revised5A — TMDL still required—Low

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
CAR3141004020050816125631
CALWNUM
3314.100500, 3314.100602
WBD code
180600100703, 180600100704
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
6.71 Miles

Derived facility associations

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

Derived
1201 W Chestnut

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

2140 Sweeney Cannabis Cultivation Project

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

30 LRS Vehicle Maintenance Facility

Vandenberg Afb · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

ABL Farms Lot 13

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

ABL Farms Lot 14

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

ABL Farms Lot 17

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Black Sheep Finds

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Bratcher Wine Group LLC

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Calportland Construction

Lompoc · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Central Valley Auto Dismantlers Inc

Lompoc · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

City of Lompoc Corporate Yard

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

COLD Coast Brewing Company

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Dascomb Cellars

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

DRIVE IN RECYCLING

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Flying Goat Cellars

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Forbidden Fruit Orchards Incorporated

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Gateway Cannabis Cultivation Project

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Imerys Filtration Minerals Inc

Lompoc · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

J Willett Companies

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

L3Harris Technologies Inc

Vandenberg Afb · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Lompoc City Airport

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Lompoc City Landfill

Lompoc · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Lompoc Facility

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Lompoc Oil & Gas Plant

Lompoc · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Lompoc Regional Wastewater Reclamation Plant

Lompoc · Notice of Intent · 0.26 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Lompoc USD Transportation

Lompoc · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

Lompoc Wine Factory

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Loring Wine Company

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Montemar

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Raytheon Vision Systems

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

Red Barn Cannabis Cultivation Project

Lompoc · Notice of Non-Applicability

derived_watershed_association

Derived by California Stormwater Intelligence

Sentinel Peak Resources California LLC

Lompoc · Notice of Intent

derived_watershed_association

Derived by California Stormwater Intelligence

STIIIZY Manufacturing and Retail Facility

Lompoc · Notice of Non-Applicability · 0.60 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Transcendence

Lompoc · No Exposure Certification

derived_watershed_association

Derived by California Stormwater Intelligence

TSBC Ranch

Lompoc · Notice of Non-Applicability · 0.29 km away

derived_nearby_in_watershed

Derived by California Stormwater Intelligence

Valley Rock Ready Mix Inc

Lompoc · 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.