Denton County, TX
The federal environmental record for Denton County (population 1,007,703): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
9
federal cleanup sites
22
PFAS-detecting water systems
29
TRI facilities
17
open tank releases
Drinking water: PFAS testing
Public water systems serving Denton 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 |
|---|---|---|
| TOWN OF FLOWER MOUND TX0610023 | PFHxA: 12.9 ng/L PFPeA: 11.6 ng/L PFBA: 11.5 ng/L | above final limit |
| CITY OF DENTON TX0610002 | PFBA: 8.9 ng/L PFHxA: 5.8 ng/L PFPeA: 5.7 ng/L | detected |
| CITY OF JUSTIN TX0610003 | PFBA: 11.6 ng/L PFPeA: 6.6 ng/L PFHxA: 5.2 ng/L | detected |
| CITY OF LEWISVILLE TX0610004 | PFBA: 7.8 ng/L PFHxA: 4.6 ng/L PFPeA: 4.5 ng/L | detected |
| CITY OF SANGER TX0610006 | PFBA: 8.9 ng/L | detected |
| CITY OF ROANOKE TX0610008 | PFBA: 8.5 ng/L PFPeA: 3.7 ng/L PFHxS: 3.2 ng/L | detected |
| TROPHY CLUB MUD 1 TX0610018 | PFBA: 5.7 ng/L | detected |
| ARGYLE WSC TX0610019 | PFBA: 77.2 ng/L PFHxA: 7.7 ng/L PFPeA: 5.7 ng/L | detected |
| CROSS TIMBERS WSC TX0610020 | 6:2 FTS: 441 ng/L PFBA: 9 ng/L PFHxS: 8.8 ng/L | detected |
| LAKE CITIES MUNICIPAL UTILITY AUTHORITY TX0610029 | PFBA: 9.7 ng/L PFPeA: 6.4 ng/L PFHxA: 6.2 ng/L | detected |
| TOWN OF LITTLE ELM TX0610035 | PFBA: 7.5 ng/L PFPeA: 4.9 ng/L PFHxA: 4.4 ng/L | detected |
| MUSTANG SUD TX0610036 | PFBA: 6.4 ng/L PFPeA: 4 ng/L PFHxA: 3.7 ng/L | detected |
| CITY OF CORINTH, TX TX0610065 | PFBA: 8.6 ng/L PFPeA: 6.5 ng/L PFHxA: 6 ng/L | detected |
| CITY OF HIGHLAND VILLAGE TX0610080 | PFBA: 9.3 ng/L PFHxA: 7.8 ng/L PFPeA: 6.7 ng/L | detected |
| CITY OF THE COLONY TX0610081 | PFBA: 8.7 ng/L PFPeA: 7.6 ng/L PFHxA: 7.5 ng/L | detected |
| CITY OF HACKBERRY TX0610091 | PFBA: 7.1 ng/L PFPeA: 4 ng/L PFHxA: 3.8 ng/L | detected |
| DENTON COUNTY FWSD 7 LANTANA TX0610228 | PFBA: 8.2 ng/L PFPeA: 5.2 ng/L PFHxA: 4.7 ng/L | detected |
| TOWN OF NORTHLAKE TX0610235 | 6:2 FTS: 8 ng/L PFBA: 7.3 ng/L PFPeA: 3.3 ng/L | detected |
| FRISCO WEST WCID TX0610253 | PFBA: 9.7 ng/L PFPeA: 4.8 ng/L PFHxA: 3.8 ng/L | detected |
| DENTON COUNTY FWSD 11-A PALOMA TX0610259 | PFBA: 7.4 ng/L | detected |
| DENTON COUNTY FWSD 10 ARTESIA TX0610261 | PFBA: 5.6 ng/L | detected |
| TOWN OF TROPHY CLUB PUBLIC IMPROVEMENT D TX0610273 | PFBA: 6.1 ng/L PFHxS: 3.5 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
29 facilities in Denton filed TRI reports for 2024, totalling 29k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| UNITED COPPER INDUSTRIES LLC | DENTON | Copper And Copper Compounds, Antimony compounds | 9k lb |
| MARY KAY INC. | LEWISVILLE | Certain glycol ethers, Acetaldehyde | 5k lb |
| AMAZON.COM SERVICES LLC | CARROLLTON | Formic acid | 5k lb |
| NUCOR INSULATED PANEL GROUP | LEWISVILLE | Nonylphenol Ethoxylates, Diisocyanates | 3k lb |
| OLDCASTLE INFRASTRUCTURE - NORTHLAKE | ROANOKE | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Lead compounds | 3k lb |
| VICTOR EQUIPMENT CO | DENTON | Copper, Lead | 2k lb |
| ACME BRICK CO-DENTON PLANT | DENTON | Hydrogen fluoride, Manganese compounds | 678 lb |
| MAYDAY MANUFACTURING CO | DENTON | Nitric acid | 500 lb |
| SAFETY-KLEEN SYSTEMS DENTON RECYCLE CENTER | DENTON | Polycyclic aromatic compounds, Toluene | 424 lb |
| PETERBILT MOTORS CO | DENTON | Ethylene glycol, n-Butyl alcohol | 343 lb |
| TXI-CAMEY READY MIX | FRISCO | Lead compounds | 1 lb |
| MM-DENTON READY MIX | DENTON | Lead compounds | 0 lb |
| MM-SANGER READY MIX | SANGER | Lead compounds | 0 lb |
| EDSCO FASTENERS | DENTON | - | 0 lb |
| BEHR PROCESS LLC - ROANOKE | ROANOKE | - | 0 lb |
| REDI-MIX - ALLIANCE | ROANOKE | Lead | 0 lb |
| TXI-LEWISVILLE READY MIX | LEWISVILLE | Lead compounds | 0 lb |
| FOAM SUPPLIES INC | LEWISVILLE | - | 0 lb |
| HOLCIM-SOR INC.- ROANOKE RM | ROANOKE | Lead compounds | 0 lb |
| POWDER METALLURGY CO,INC | LEWISVILLE | - | 0 lb |
| WABTEC MANUFACTURING SOLUTIONS LLC | FORT WORTH | - | 0 lb |
| HOLCIM-SOR INC. - DENTON | DENTON | - | 0 lb |
| SRM 447/448 NORTHLAKE | NORTHLAKE | Lead | 0 lb |
| REDI-MIX - DENTON | DENTON | Lead | 0 lb |
| MM-ROANOKE READY MIX | ROANOKE | Lead compounds | 0 lb |
Underground fuel tanks
EPA's UST Finder records 757 tank facilities in Denton: 843 tanks in service and 1,178 closed. 338 fuel releases are on record, of which 17 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Denton 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 Denton, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- ACME BRICK HF RELEASEDENTON
- CHEM STATION HCL RELEASELEWISVILLE
- FURNEAUX PCBSCARROLLTON
- I-35 GASOLINE SPILLLAKE DALLAS
- LAKE CITIES PERMANGANATE FIREHICKORY CREEK
- LANDSEER DRIVE DRUMARGYLE
- NORTH TEXAS ALLERGY AND ASTHMA CENTER MERCURY SPILLDENTON
- PARKRIDGE DRIVE ABANDONED DRUMSDENTON
- UNT RESEARCH LABDENTON