Alisal Creek (Monterey County)

Waterbody ID (WBID): CAR3097009519990222130537
County / counties: Monterey
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 (18)

Each row is one official listing decision from Appendix A of the Final 2026 California Integrated Report. Source terminology is preserved as published.

Pollutant / stressor	Decision ID	Final listing decision	Decision status	TMDL requirement status	TMDL project	TMDL priority
AmmoniaNutrients	131072	List on 303(d) list (being addressed by USEPA approved TMDL)	Original	5B — Addressed by USEPA-approved TMDL	Salinas River Nutrients	—
BensulidePesticides	108792	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
BifenthrinPesticides	108765	List on 303(d) list (being addressed by USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Salinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority	—
Chlorophyll-aNutrients	108722	Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)	Original	5B — Addressed by USEPA-approved TMDL	Salinas River Nutrients	—
ChlorpyrifosPesticides	108724	List on 303(d) list (being addressed by USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Lower Salinas River Chlorpyrifos and Diazinon TMDL	—
Cyhalothrin, LambdaPesticides	108781	List on 303(d) list (being addressed by USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Salinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority	—
CypermethrinPesticides	108766	List on 303(d) list (being addressed by USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Salinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority	—
DimethoatePesticides	108769	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
ImidaclopridPesticides	108761	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
MalathionPesticides	108738	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	High
MethomylPesticides	108763	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
NitrateNutrients	115465	Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Salinas River Nutrients	—
Organophosphate PesticidesPesticides	108745	List on 303(d) list (being addressed by USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Lower Salinas River Chlorpyrifos and Diazinon TMDL	—
OxyfluorfenPesticides	108770	List on 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
PermethrinPesticides	108786	List on 303(d) list (being addressed by USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Salinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority	—
SodiumSALINITY/TOTAL DISSOLVED SOLIDS/CHLORIDES/SULFATES	71179	List on 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	Low
ToxicityTotal Toxics	108756	Do Not Delist from 303(d) list (being addressed with USEPA approved TMDL)	Revised	5B — Addressed by USEPA-approved TMDL	Salinas River Watershed Sediment Toxicity TMDL U.S. EPA Vision Priority	—
TurbiditySediment	108758	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	High

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: CAR3097009519990222130537
CALWNUM: 3309.110000, 3309.200003, 3309.700903, 3309.700905
WBD code: 180600051509
Geometry: Official Water Board GIS (CA_WATERBOARDS_GIS_FINAL_2026)

View official Water Board fact sheet ↗Download Appendix A source file ↗

Location

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

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Watershed: —
Assessed size: 12.94 Miles

Derived facility associations

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

Derived

1037 Abbott Street Multi Use Parcel

Salinas · Notice of Intent

derived_watershed_association