Calhoun County, TX
The federal environmental record for Calhoun County (population 19,696): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
2
federal cleanup sites
2
PFAS-detecting water systems
7
TRI facilities
2
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| ALCOA (Point Comfort)/Lavaca Bay | Point Comfort | on the NPL | 02/23/1994 |
Drinking water: PFAS testing
Public water systems serving Calhoun 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 |
|---|---|---|
| CITY OF PORT LAVACA TX0290002 | PFPeA: 16.3 ng/L PFBA: 14.2 ng/L PFHxA: 10 ng/L | above final limit |
| GBRA CALHOUN COUNTY RURAL WATER SYSTEM TX0290007 | 6:2 FTS: 51 ng/L PFPeA: 13.9 ng/L PFBA: 7.7 ng/L | above final limit |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
7 facilities in Calhoun filed TRI reports for 2024, totalling 18.0M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| INEOS NITRILES USA LLC GREEN LAKE PLANT | PORT LAVACA | Acetonitrile, Ammonia | 14.8M lb |
| FORMOSA PLASTICS CORP TEXAS | POINT COMFORT | Ethylene, Propylene | 1.9M lb |
| UNION CARBIDE CORP SEADRIFT PLANT | SEADRIFT | Ethylene, Ammonia | 1.2M lb |
| BRASKEM AMERICA INC SEADRIFT PLANT | SEADRIFT | Propylene, Ethylene | 55k lb |
| SEADRIFT COKE LP | PORT LAVACA | Propylene, Ethylene | 8k lb |
| GULFMARK ENERGY INC | PORT LAVACA | n-Hexane, Xylene (mixed isomers) | 274 lb |
| CALHOUN CHEMICALS LLC | PORT LAVACA | Acrylamide | 10 lb |
Underground fuel tanks
EPA's UST Finder records 119 tank facilities in Calhoun: 40 tanks in service and 244 closed. 63 fuel releases are on record, of which 2 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Calhoun 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 Calhoun, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ALCOA (POINT COMFORT)/LAVACA BAYPOINT COMFORT
- FORMOSA PLASTICS CORPORATION, TEXASPOINT COMFORT