Ventura County, CA

The federal environmental record for Ventura County (population 829,590): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

Superfund NPL sites

federal cleanup sites

PFAS-detecting water systems

TRI facilities

open tank releases

Superfund NPL sites

Site	City	Status	Listed
Halaco Engineering Company	Oxnard	on the NPL	09/19/2007
Pacific Coast Pipe Lines	Fillmore	on the NPL	10/04/1989

Drinking water: PFAS testing

Public water systems serving Ventura with at least one PFAS detection under UCMR5. The federal limit for PFOA and PFOS is 4 ng/L; EPA proposed in May 2026 to rescind the limits for the other compounds, which are shown for information.

System

Highest results

Reading

PLEASANT VALLEY MUTUAL WATER CO

CA5610008

PFOS: 11 ng/L

PFOA: 10.1 ng/L

PFHxS: 8.7 ng/L

above final limit

CAMROSA WATER DISTRICT

CA5610063

PFBA: 20 ng/L

PFOS: 17 ng/L

above final limit

VENTURA WATER DEPARTMENT

CA5610017

PFBS: 3.1 ng/L

PFHxS: 3 ng/L

detected

On a system with detections? Testing and treatment options

Facilities reporting toxic releases (2024)

21 facilities in Ventura filed TRI reports for 2024, totalling 70k lb released.

Facility	City	Top chemicals	Total released
THE PROCTER & GAMBLE PAPER PRODUCT CO	OXNARD	Ammonia, Lead	25k lb
NEW-INDY OXNARD LLC	OXNARD	Ammonia, Lead	17k lb
PERFORMANCE MATERIALS CORP DBA TORAY PERFORMANCE COMPOSITE	CAMARILLO	Methyl methacrylate	13k lb
SKYWORKS SOLUTIONS INC.	NEWBURY PARK	N-Methyl-2-pyrrolidone, Ammonia	9k lb
U.S. NAVY NBVC NAVAL AIR STATION POINT MUGU	POINT MUGU	Lead	2k lb
SOUTHERN COUNTIES OIL CO. LP D.B.A. SC FUELS	OXNARD	Toluene, 1,2,4-Trimethylbenzene	2k lb
PERFORMANCE MATERIALS CORP DBA TORAY PERFORMANCE COMPOSITE	CAMARILLO	Methyl methacrylate	271 lb
MEGGITT SAFETY SYSTEMS INC	SIMI VALLEY	Bromotrifluoromethane (Halon 1301)	250 lb
ALUMINUM PRECISION PRODUCTS INC.	OXNARD	Copper, Zinc compounds	82 lb
NATIONAL READY MIX CONCRETE CO .	MOORPARK	Lead compounds	15 lb
TELEDYNE IMAGING SENSORS	CAMARILLO	Mercury compounds	5 lb
VALEX CORP	VENTURA	Chromium compounds (except for chromite ore mined in the Transvaal Region)	1 lb
PSI BEARINGS	SIMI VALLEY	-	0 lb
HOLLIDAY ROCK CO - VENTURA	VENTURA	Lead And Lead Compounds	0 lb
KAVLICO/SENSATA	NEWBURY PARK	-	0 lb
ARCOSA LIGHTWEIGHT FRAZIER PARK PLANT	FRAZIER PARK	Lead compounds, Dioxin and dioxin-like compounds	0 lb
MAGNUSON SUPERCHARGERS	VENTURA	-	0 lb
PENTAIR WATER POOL & SPA	MOORPARK	-	0 lb
STATE READY MIX INC	OXNARD	-	0 lb
CEMEX OXNARD PLANT	OXNARD	-	0 lb
ASSOCIATED READY MIXED CONCRETE INC.	OXNARD	-	0 lb

Underground fuel tanks

EPA's UST Finder records 261 tank facilities in Ventura: 769 tanks in service and 0 closed. 1,369 fuel releases are on record, of which 17 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Ventura as Zone 1, the highest predicted indoor radon levels (over 4 pCi/L average). Radon and air quality are covered in depth on lung.com.

The record for one specific address

County figures blur what matters: distance. The Address Environmental Report runs these same federal datasets against one address and reports every site, tank, polluter and water result around it, with distances, in about a minute.

Get the report - $39

All federal cleanup sites on file

The wider Superfund enterprise inventory (SEMS) for Ventura, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

FMC AG CHEMICALSANTA PAULA
HALACO ENGINEERING COMPANYOXNARD
LEE PHARMACEUTICALSFILLMORE
NAVY CIVIL ENGINEERING LABORATORYPORT HUENEME
OXNARD FACILITYOXNARD
PACIFIC COAST PIPE LINESFILLMORE
SANTA CLARA WASTE WATER COSANTA PAULA
U.S. DOE ENERGY TECHNOLOGY ENGINEERING CENTER (ETEC)SIMI VALLEY
USA PETROLEUM CO.-ADDITIVE TKSVENTURA