Atascosa County, TX
The federal environmental record for Atascosa County (population 51,784): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
0
federal cleanup sites
1
PFAS-detecting water systems
5
TRI facilities
3
open tank releases
Drinking water: PFAS testing
Public water systems serving Atascosa 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 |
|---|---|---|
| MCCOY WSC TX0070023 | 6:2 FTS: 119 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
5 facilities in Atascosa filed TRI reports for 2024, totalling 2.6M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| SAN MIGUEL ELECTRIC COOPERATIVE INC | CHRISTINE | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Manganese compounds | 2.6M lb |
| BLACK HILLS | PLEASANTON | Methanol, Toluene | 8k lb |
| INDEPENDENCE OILFIELD CHEMICALS LLC PLEASANTON TX | PLEASANTON | Toluene, Xylene (mixed isomers) | 3k lb |
| FRAC-CHEM - PLEASANTON | PLEASANTON | Ethylene glycol, Methanol | 810 lb |
| ERGON ASPHALT & EMULSIONS INC. - PLEASANTON | PLEASANTON | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 153 tank facilities in Atascosa: 97 tanks in service and 243 closed. 55 fuel releases are on record, of which 3 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Atascosa 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 - $39