Cameron County, TX
The federal environmental record for Cameron County (population 426,710): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
3
federal cleanup sites
9
PFAS-detecting water systems
18
TRI facilities
13
open tank releases
Drinking water: PFAS testing
Public water systems serving Cameron 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 |
|---|---|---|
| BROWNSVILLE PUBLIC UTILITIES BOARD TX0310001 | PFBA: 9.3 ng/L PFOS: 9.2 ng/L PFHxA: 8 ng/L | above final limit |
| CITY OF LA FERIA TX0310003 | PFBA: 6.8 ng/L PFOS: 4.1 ng/L PFHxA: 4 ng/L | above final limit |
| CITY OF SAN BENITO TX0310007 | PFBA: 9.6 ng/L PFHxA: 8.6 ng/L PFPeA: 8 ng/L | above final limit |
| EL JARDIN WSC TX0310022 | PFPeA: 9.8 ng/L PFBA: 9.2 ng/L PFHxA: 8.6 ng/L | above final limit |
| OLMITO WSC TX0310026 | PFBA: 10.6 ng/L PFPeA: 5.3 ng/L PFHxA: 4.9 ng/L | above final limit |
| EAST RIO HONDO WSC TX0310096 | PFBA: 14.8 ng/L PFPeA: 11.7 ng/L PFHxA: 11.2 ng/L | above final limit |
| HARLINGEN WATER WORKS SYSTEM TX0310002 | PFBA: 8.8 ng/L PFPeA: 3 ng/L PFHxA: 3 ng/L | detected |
| LAGUNA MADRE WATER DISTRICT TX0310005 | PFBA: 14.3 ng/L PFPeA: 4.2 ng/L PFHxA: 3.7 ng/L | detected |
| CITY OF PRIMERA TX0310094 | PFBA: 13.6 ng/L PFBS: 10.4 ng/L PFHxA: 8.8 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
18 facilities in Cameron filed TRI reports for 2024, totalling 82k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| SAINT-GOBAIN ABRASIVES INC | BROWNSVILLE | Phenol | 30k lb |
| SEATRIUM AMFELS INC. | BROWNSVILLE | Xylene (mixed isomers), Lead | 20k lb |
| CHEM PRUF DOOR | BROWNSVILLE | Styrene | 17k lb |
| TITAN FUEL TERMINALS HARLINGEN GASOLINE TERMINAL | HARLINGEN | Toluene, Xylene (mixed isomers) | 11k lb |
| BLUEWING ONE LLC | BROWNSVILLE | 1,2,4-Trimethylbenzene, Naphthalene | 4k lb |
| BLUEWING ROYAL LLC. | BROWNSVILLE | Naphthalene, n-Hexane | 1k lb |
| TRICO PRODUCTS CORP | BROWNSVILLE | Chromium, Manganese | 60 lb |
| MUELLER CO. - GAS PRODUCTS DIV | BROWNSVILLE | Lead, Copper | 49 lb |
| TITAN FUEL TERMINALS HARLINGEN LLC | HARLINGEN | - | 0 lb |
| ALLIED MINERAL PRODUCTS INC | BROWNSVILLE | - | 0 lb |
| PENN ALUMINUM | HARLINGEN | Manganese And Manganese Compounds | 0 lb |
| EMERSON AUTOMATION SOLUTIONS | HARLINGEN | - | 0 lb |
| ASPHALT PRODUCTS INC. | HARLINGEN | Polycyclic aromatic compounds | 0 lb |
| PAVESTONE - LA FERIA | LA FERIA | Lead | 0 lb |
| PORT ISABEL DETENTION CTR WWTF | LOS FRESNOS | - | 0 lb |
| CEMEX CONSTRUCTION MATERIALS SOUTH LLC - HARLINGEN | SAN BENITO | - | 0 lb |
| CEMEX CONSTRUCTION MATERIALS SOUTH LLC - BROWNSVILLE | BROWNSVILLE | - | 0 lb |
| QUIKRETE - LA FERIA | LA FERIA | Lead | 0 lb |
Underground fuel tanks
EPA's UST Finder records 744 tank facilities in Cameron: 419 tanks in service and 1,393 closed. 370 fuel releases are on record, of which 13 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Cameron 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 Cameron, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- BROWNSVILLE TIRE FIREBROWNSVILLE
- COTTON INSECTS RESEARCH LABBROWNSVILLE
- FWS-LAGUNA ATASCOSA NATIONAL WILDLIFE REFUGERIO HONDO