Harrison County, TX
The federal environmental record for Harrison County (population 70,895): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
2
Superfund NPL sites
3
federal cleanup sites
4
PFAS-detecting water systems
15
TRI facilities
5
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Longhorn Army Ammunition Plant | Karnack | on the NPL | 08/30/1990 |
| Stewco, Inc. | Waskom | deleted | 06/10/1986 |
Drinking water: PFAS testing
Public water systems serving Harrison 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 MARSHALL TX1020002 | PFPeA: 7.2 ng/L | detected |
| CITY OF HALLSVILLE TX1020004 | PFBA: 5 ng/L | detected |
| HARLETON WSC TX1020074 | PFPeA: 164 ng/L PFBA: 10 ng/L PFHxA: 6.5 ng/L | detected |
| GUM SPRINGS WSC 2 TX1020081 | PFBA: 5.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
15 facilities in Harrison filed TRI reports for 2024, totalling 3.8M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| EASTMAN CHEMICAL CO TEXAS OPERATIONS | LONGVIEW | Ethylene, Propylene | 2.2M lb |
| WESTLAKE LONGVIEW CORP | LONGVIEW | Ethylene, n-Hexane | 1.1M lb |
| INVISTA LONGVIEW | LONGVIEW | Propylene, Ethylene | 218k lb |
| PRYSMIAN CABLES & SYSTEMS | SCOTTSVILLE | Acetophenone, Methanol | 54k lb |
| SYNTHOMER ADHESIVE TEHCNOLOGIES EASTOFLEX & EAST | LONGVIEW | Propylene, Ethylene | 49k lb |
| TRINITY TANK CAR INC. PLT 19 | LONGVIEW | Manganese, Xylene (mixed isomers) | 47k lb |
| PERGAN MARSHALL LLC | MARSHALL | Cumene hydroperoxide, Ethylene glycol | 47k lb |
| POLYNT COMPOSITES USA INC. - MARSHALL | MARSHALL | Dicyclopentadiene, Ethylene glycol | 44k lb |
| WASKOM GAS PROCESSING PLANT | WASKOM | Toluene, n-Hexane | 18k lb |
| REPUBLIC NATIONAL INDUSTRIES OF TEXAS LP | MARSHALL | Xylene (mixed isomers) | 9k lb |
| AZZ GALVANIZING SERVICES-WASKOM | WASKOM | Zinc compounds, Lead | 9k lb |
| STEMCO LP | LONGVIEW | Zinc compounds | 2k lb |
| MARSHALL MINERALS INC | MARSHALL | Zinc compounds, Copper And Copper Compounds | 750 lb |
| CROSBY LONGVIEW | LONGVIEW | Nickel | 17 lb |
| NORIT AMERICAS INC | MARSHALL | Manganese, Lead | 16 lb |
Underground fuel tanks
EPA's UST Finder records 296 tank facilities in Harrison: 169 tanks in service and 652 closed. 119 fuel releases are on record, of which 5 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Harrison 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 Harrison, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- LONGHORN ARMY AMMUNITION PLANTKARNACK
- MONARCH TILE MFG., INC.MARSHALL
- STEWCO, INC.WASKOM