Russian River HU, Middle Russian River HA, Laguna HSA, mainstem Laguna de Santa Rosa

Waterbody ID (WBID): CAR1142100020131010055952
County / counties: Sonoma
Regional Water Board: Regional Board 1 - North Coast Region
Waterbody type: River & Stream
Condition category: Category 5 — 303(d) listed, TMDL required
Integrated Report cycle: 2026

303(d) listings (8)

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
Indicator BacteriaPathogens	169052	Do Not Delist from 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	High
MercuryMetals	169058	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Low
Oxygen, DissolvedNutrients	169059	Do Not Delist from 303(d) list (TMDL required list)	Revised	5A — TMDL still required	—	Medium
PhosphorusNutrients	169066	Do Not Delist from 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	High
SedimentSediment	169067	List on 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	High
Sedimentation/SiltationSediment	78904	Do Not Delist from 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	Medium
Temperature, waterOther Cause	169069	Do Not Delist from 303(d) list (TMDL required list)	Original	5A — TMDL still required	—	High
TurbiditySediment	157776	List on 303(d) list (TMDL required list)	Revised	5A — 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: Aug 21, 2026, 12:44 AM UTC
Waterbody ID: CAR1142100020131010055952
CALWNUM: 1114.210001, 1114.210002, 1114.220103, 1114.230201
WBD code: 180101100701, 180101100704, 180101100706
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.

Loading map…

Watershed: —
Assessed size: 16.47 Miles

Facilities with an NAL exceedance for a listed pollutant (2)

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

Grab n Grow1 49I022561

Phosphorus · most recent exceedance RY 2018 · association: derived watershed association

Laguna Oaks Vineyards & Winery1 49I026445

Phosphorus · most recent exceedance RY 2024 · association: derived nearby in watershed

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

American Storage

Santa Rosa · No Exposure Certification

derived_watershed_association