Chambers County, TX
The federal environmental record for Chambers County (population 53,876): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
4
federal cleanup sites
3
PFAS-detecting water systems
30
TRI facilities
4
open tank releases
Drinking water: PFAS testing
Public water systems serving Chambers 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 |
|---|---|---|
| TBCD WINNIE STOWELL TX0360002 | PFBA: 5.7 ng/L | detected |
| TBCD WEST TREATMENT PLANT TX0360030 | PFBA: 11 ng/L PFBS: 3.5 ng/L PFPeA: 3.4 ng/L | detected |
| CHAMBERS COUNTY MUD 1 TX0360104 | PFPeA: 157 ng/L PFBA: 8.6 ng/L PFHxA: 5.9 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
30 facilities in Chambers filed TRI reports for 2024, totalling 1.3M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| ENTERPRISE PRODUCTS OPERATING LLC | MONT BELVIEU | Propylene, Methanol | 463k lb |
| COVESTRO LLC | BAYTOWN | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia | 355k lb |
| TARGA MONT BELVIEU COMPLEX | MONT BELVIEU | Propylene, n-Hexane | 181k lb |
| EXXONMOBIL MONT BELVIEU PLASTICS PLANT | BAYTOWN | Ethylene, n-Hexane | 140k lb |
| EAST STORAGE / SPLITTER III FACILITY | MONT BELVIEU | Propylene, Ethylene | 65k lb |
| ONEOK HYDROCARBON L.P. - MONT BELVIEU NGL FRACTIONATION (MB | BAYTOWN | Benzene, Ammonia | 24k lb |
| AIR PRODUCTS BAYTOWN 3 FACILITY | BAYTOWN | Ammonia, Methanol | 22k lb |
| KOPPEL STEEL CORP BAYTOWN PLANT | BAYTOWN | Manganese, Nickel | 18k lb |
| DELTA BAYTOWN | BAYTOWN | Acrylic acid, N-Hydroxyethylethylenediamine | 15k lb |
| HEXION INC - BAYTOWN PLANT | BAYTOWN | Methanol, Formaldehyde | 8k lb |
| MB FRAC I II & III | BAYTOWN | n-Hexane, Benzene | 7k lb |
| LSB CHEMICAL L.L.C. | BAYTOWN | Ammonia, Nitric acid | 7k lb |
| MB FRAC VI&VIII | DAYTON | n-Hexane, Cyclohexane | 6k lb |
| MONT BELVIEU SOUTH RAIL TERMINAL | BAYTOWN | Propylene | 4k lb |
| DUNA USA INC | BAYTOWN | Formic acid, Diisocyanates | 3k lb |
| MONT BELVIEU FRACTIONATOR | MONT BELVIEU | Benzene, n-Hexane | 3k lb |
| JSW STEEL | BAYTOWN | Manganese | 2k lb |
| MONT BELVIEU EAST PHT FACILITY | BAYTOWN | Propylene | 1k lb |
| MB FRAC VII | DAYTON | n-Hexane, Cyclohexane | 1k lb |
| SYNTECH CEDAR PORT | BAYTOWN | Methanol, Isopropyl alcohol (only persons who manufacture by the strong acid process are subject, no supplier notification) | 789 lb |
| LANXESS CORP-BAYTOWN | BAYTOWN | Maleic anhydride, Dibutyl phthalate | 342 lb |
| HARCROS CHEMICALS HOUSTON | BAYTOWN | Nitric acid, Nonylphenol Ethoxylates | 65 lb |
| CHEMICALS INC | BAYTOWN | Ammonia, Hydrazine | 37 lb |
| K-SOLV FUEL SERVICES | ANAHUAC | Toluene, Xylene (mixed isomers) | 10 lb |
| TRIFECTA TRADING | BAYTOWN | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 138 tank facilities in Chambers: 144 tanks in service and 276 closed. 52 fuel releases are on record, of which 4 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Chambers as Zone 3, the lowest predicted indoor radon (under 2 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 - $39All federal cleanup sites on file
The wider Superfund enterprise inventory (SEMS) for Chambers, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- COVESTRO LLCBAYTOWN
- HP GAS PRODUCTSBAYTOWN
- MONT BELVIEU EXPLOSIONMONT BELVIEU
- TOPSAIL ENERGY BAYTOWNBAYTOWN