Clean Air Act stationary source · ICIS-AIR TX0000004820100018

CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT, Baytown, TX: Clean Air Act compliance record, inspections, violations, penalties

Name: CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT, ICIS-AIR TX0000004820100018: Clean Air Act stationary source record
Creator: Velarion Records
License: https://www.usa.gov/government-works

OperatingOperating status
Major sourceEmissions classification
Violation w/in 1 YearCurrent violation status, as filed
2Compliance evaluations since January 1, 2017
2High-priority violations since January 1, 2017
11Formal enforcement actions since January 1, 2017

CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT, at 9500 INTERSTATE 10 E, Baytown in Harris County, Texas, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “Violation w/in 1 Year”. Harris County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filed	CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT
ICIS-AIR ID	TX0000004820100018
EPA facility registry ID	110007177768
Operating status	Operating
Emissions classification	Major source
Current violation status (ICIS-AIR high-priority violation field)	Violation w/in 1 Year
Address	9500 INTERSTATE 10 E, Baytown, TX 77521
County	Harris County
In a nonattainment county	Yes (EPA Green Book)
Industry (NAICS)	Chemical manufacturing (NAICS 3251)
EPA region	06

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

2Evaluations since January 1, 2017
2Full compliance evaluations

Date	What EPA recorded	Agency	Programs
December 4, 2023	FCE On-Site	State	Title V Permits
August 31, 2020	FCE On-Site	State	Title V Permits

Violations

8Violation determinations since January 1, 2017
2Of them high-priority

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

Date	What EPA recorded	Agency	Programs
August 7, 2026	Earliest FRV determination	State	Title V Permits
July 21, 2020	Earliest FRV determination	State	Title V Permits
May 29, 2020	HPV day-zero determination	State	Title V Permits
October 11, 2019	HPV day-zero determination	State	Title V Permits
May 31, 2019	Earliest FRV determination	State	Title V Permits
August 30, 2018	Earliest FRV determination	State	Title V Permits
October 10, 2017	Earliest FRV determination	State	Title V Permits
April 19, 2017	Earliest FRV determination	State	Title V Permits

Enforcement and penalties

11 formal enforcement actions since January 1, 2017, 11 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Date	What EPA recorded	Agency	Penalty, as filed
June 2, 2022	Civil Judicial Action	U.S. EPA	$3,400,000
January 19, 2022	Administrative Order	State	$13,126
July 14, 2021	Administrative Order	State	$142,500
May 7, 2021	Administrative Order	State	$45,225
July 20, 2020	Administrative Order	State	$20,188
May 12, 2020	Administrative Order	State	$14,250
September 3, 2019	Administrative Order	State	$3,063
May 23, 2019	Administrative Order	State	$11,475
September 26, 2018	Administrative Order	State	$36,000
September 26, 2018	Administrative Order	State	$150,000
August 16, 2018	CAA 113D1 Action For Penalty	U.S. EPA	$60,000

Informal enforcement

Date	What EPA recorded	Agency
August 31, 2026	Notice of Violation	State

Stack tests

33Stack tests since January 1, 2017
5Recorded as failed

Date	What EPA recorded	Agency
June 28, 2023	Pass	State
June 28, 2023	Fail	State
May 24, 2021	Fail	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
August 27, 2020	Pass	State
May 29, 2020	Pass	State
May 29, 2020	Fail	State
May 29, 2020	Fail	State
May 29, 2020	Pass	State
May 29, 2020	Fail	State
March 3, 2020	N/A	State
December 16, 2019	Pass	State
October 17, 2019	Pass	State
September 27, 2019	Pass	State
July 17, 2019	N/A	State
June 26, 2019	N/A	State
May 14, 2019	Pass	State
May 14, 2019	Pass	State
April 23, 2019	Pass	State
April 23, 2019	Pass	State
April 14, 2019	Pass	State
April 14, 2019	Pass	State
April 30, 2018	N/A	State
March 9, 2018	Pass	State
March 9, 2018	Pass	State
March 20, 2017	Pass	State

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110007177768 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.

This page of the Velarion Records public-records register covers the Clean Air Act compliance record of CHEVRON PHILLIPS CHEMICAL CEDAR BAYOU PLANT, a Clean Air Act stationary source in Baytown, TX, with ICIS-AIR ID TX0000004820100018. The page lists an Operating operating status, a Major source emissions classification, and a Current violation status of Violation w/in 1 Year. It also lists 2 Compliance evaluations since January 1, 2017, 2 High-priority violations since January 1, 2017, and 11 Formal enforcement actions since January 1, 2017.