San Patricio County, TX
The federal environmental record for San Patricio County (population 70,660): 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
6
PFAS-detecting water systems
9
TRI facilities
11
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Falcon Refinery | Ingleside | on the NPL | 09/16/2011 |
Drinking water: PFAS testing
Public water systems serving San Patricio 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 INGLESIDE TX2050002 | PFBA: 8.2 ng/L PFPeA: 3.7 ng/L PFBS: 3 ng/L | detected |
| CITY OF MATHIS TX2050003 | 6:2 FTS: 12.1 ng/L PFBA: 7.2 ng/L | detected |
| CITY OF PORTLAND TX2050005 | PFBA: 9.7 ng/L PFPeA: 5.1 ng/L PFHxA: 4 ng/L | detected |
| CITY OF TAFT TX2050007 | PFBA: 35 ng/L PFPeA: 3.3 ng/L | detected |
| CITY OF ARANSAS PASS TX2050015 | PFBA: 11 ng/L PFPeA: 5.2 ng/L PFHxA: 3.4 ng/L | detected |
| RINCON WSC TX2050078 | PFBA: 13 ng/L PFPeA: 3.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
9 facilities in San Patricio filed TRI reports for 2024, totalling 790k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| GULF COAST GROWTH VENTURES LLC | GREGORY | Ethylene, Ammonia | 323k lb |
| STEEL DYNAMICS SOUTHWEST SINTON DIV | SINTON | Nickel And Nickel Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 181k lb |
| OCCIDENTAL CHEMICAL CORP | GREGORY | Ethylene, Propylene | 138k lb |
| THE CHEMOURS CO | GREGORY | Freon 113 (CFC-113), 2-Chloro-1,1,1,2-tetrafluoroethane (HCFC-124) | 77k lb |
| KIEWIT OFFSHORE SERVICES LTD | INGLESIDE | Xylene (mixed isomers), Toluene | 66k lb |
| FLINT HILLS RESOURCES INGLESIDE LLC | INGLESIDE | Xylene (mixed isomers), Toluene | 5k lb |
| ARCELORMITTAL TEXAS HBI LLC | PORTLAND | Manganese, Vanadium (except when contained in an alloy) | 811 lb |
| LEVY TEXAS MILL SERVICES | SINTON | Manganese compounds, Chromium compounds (except for chromite ore mined in the Transvaal Region) | 319 lb |
| CHEMTRADE SOLUTIONS LLC | ODEM | Ammonia, Copper And Copper Compounds | 18 lb |
Underground fuel tanks
EPA's UST Finder records 256 tank facilities in San Patricio: 146 tanks in service and 470 closed. 130 fuel releases are on record, of which 11 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps San Patricio 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 San Patricio, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CHEMOURS INGLESIDE PLANTINGLESIDE
- FALCON REFINERYINGLESIDE