McLennan County, TX
The federal environmental record for McLennan County (population 268,583): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
0
Superfund NPL sites
2
federal cleanup sites
8
PFAS-detecting water systems
33
TRI facilities
7
open tank releases
Drinking water: PFAS testing
Public water systems serving McLennan 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 MCGREGOR TX1550004 | PFBA: 7.1 ng/L | detected |
| CITY OF WACO TX1550008 | PFBA: 7.6 ng/L | detected |
| CITY OF ROBINSON TX1550010 | PFBA: 6.3 ng/L PFHxS: 3.5 ng/L PFPeA: 3.4 ng/L | detected |
| CITY OF BRUCEVILLE EDDY TX1550024 | PFBA: 5.3 ng/L | detected |
| CITY OF HEWITT TX1550031 | PFBA: 7.4 ng/L | detected |
| CITY OF LACY LAKEVIEW TX1550033 | PFBA: 7.9 ng/L | detected |
| CITY OF WOODWAY TX1550048 | PFBA: 5.7 ng/L | detected |
| TEXAS STATE TECHNICAL COLLEGE - WACO TX1550138 | PFBA: 6.9 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
33 facilities in McLennan filed TRI reports for 2024, totalling 1.9M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| SANDY CREEK ENERGY STATION | RIESEL | Barium compounds (except for barium sulfate (CAS No. 7727-43-7)), Ammonia | 1.3M lb |
| SANDERSON FARMS LLC | WACO | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia | 310k lb |
| PRECISE HARD CHROME LLC | WACO | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 144k lb |
| ENVASES COMMERCE LLC | WACO | Certain glycol ethers, n-Butyl alcohol | 29k lb |
| HOWMET FASTENING SYSTEMS WACO | WACO | Chromium, Manganese | 25k lb |
| ZINKPOWER WACO | WOODWAY | Zinc compounds, Lead | 23k lb |
| WACO COMPOSITES | WACO | Styrene | 23k lb |
| ROCA BATHROOM PRODUCTS INC. | WACO | Styrene | 20k lb |
| PILGRIM'S PRIDE CORP WACO PROCESSING PLANT | WACO | Ammonia | 17k lb |
| VANTRAN INDUSTRIES LLC. | WACO | Xylene (mixed isomers) | 16k lb |
| PACKLESS INDUSTRIES WACO FACILITY | WACO | Xylene (mixed isomers), Copper | 15k lb |
| MARATHONNORCO AEROSPACE INC | WACO | Cadmium compounds, Nickel compounds | 12k lb |
| WACO BOOM CO LTD | WACO | Styrene | 12k lb |
| FLINT HILLS RESOURCES CORPUS CHRISTI LLC WACO TERMINAL | WACO | Xylene (mixed isomers), n-Hexane | 3k lb |
| POLYGLASS WACO MANUFACTURING FACILITY | WOODWAY | Polycyclic aromatic compounds | 521 lb |
| CENTRAL TEXAS IRON WORKS | WACO | Chromium, Manganese | 59 lb |
| TRANE-WACO | MC GREGOR | Copper, Lead | 37 lb |
| LEHIGH WHITE CEMENT CO / WACO PLANT | WOODWAY | Lead compounds, Dioxin and dioxin-like compounds | 8 lb |
| KNAUF INSULATION INC. | MCGREGOR | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 3 lb |
| BC MATERIALS LORENA FACILITY | LORENA | Polycyclic aromatic compounds, Lead | 1 lb |
| SAFETY-KLEEN SYSTEMS WACO (WAC) | WACO | - | 0 lb |
| FLEETWOOD HOMES INC. | WACO | - | 0 lb |
| CLAYTON WACO 2 | WACO | - | 0 lb |
| WOODWAY READY MIX | WOODWAY | Lead And Lead Compounds | 0 lb |
| PURINA ANIMAL NUTRITION LLC - MCGREGOR | MC GREGOR | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 726 tank facilities in McLennan: 515 tanks in service and 1,546 closed. 250 fuel releases are on record, of which 7 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps McLennan 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 McLennan, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- NAVAL WEAPONS IND RESERVE PLANT, MCGREGORMC GREGOR
- WEST FERTILIZER INC.WEST