Allen County, OH
The federal environmental record for Allen County (population 100,838): 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
3
PFAS-detecting water systems
20
TRI facilities
20
open tank releases
Drinking water: PFAS testing
Public water systems serving Allen 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 |
|---|---|---|
| BLUFFTON VILLAGE OH0200112 | PFPeA: 140 ng/L PFHxA: 55 ng/L PFBA: 15 ng/L | detected |
| ELIDA VILLAGE OH0200503 | PFPeA: 4.6 ng/L PFHpA: 3.3 ng/L PFHxA: 3.2 ng/L | detected |
| LIMA CITY OH0200811 | PFBA: 5.3 ng/L PFPeA: 5.1 ng/L PFHxA: 3.3 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
20 facilities in Allen filed TRI reports for 2024, totalling 9.8M lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| INEOS NITRILES USA LLC | LIMA | Ammonia, Acetonitrile | 6.5M lb |
| PCS NITROGEN OHIO L.P. | LIMA | Ammonia, Methanol | 2.7M lb |
| FORT AMANDA SPECIALTIES LLC | LIMA | Formaldehyde, Ammonia | 279k lb |
| LIMA REFINING CO | LIMA | Toluene, Propylene | 166k lb |
| SUMIRIKO OHIO INC | BLUFFTON | Ethylene glycol, Zinc compounds | 66k lb |
| U S ARMY JOINT SYSTEMS MANUFACTURING CENTER | LIMA | Zinc (fume or dust), Nickel | 48k lb |
| GUARDIAN LIMA LLC | LIMA | Formic acid, Acetaldehyde | 26k lb |
| SUPERIOR FORGE & STEEL CORP | LIMA | Aluminum oxide (fibrous forms), Chromium | 20k lb |
| ISP LIMA LLC | LIMA | Acrylic acid, Methanol | 9k lb |
| FORD MOTOR CO LIMA ENGINE PLANT | LIMA | Copper, Manganese | 7k lb |
| MPLX TERMINALS LLC - LIMA OH TERMINAL | LIMA | n-Hexane, Benzene | 4k lb |
| CHEMTRADE LOGISTICS INC CAIRO SULFUR PRODS | CAIRO | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 3k lb |
| VALTIR LLC PLT 1055 | LIMA | Zinc compounds, Lead | 2k lb |
| DANA DRIVESHAFT MANUFACTURING LLC | LIMA | Manganese, Copper | 1k lb |
| FXI INC. - SPENCERVILLE | SPENCERVILLE | Toluene diisocyanate (mixed isomers) | 116 lb |
| PROCTER & GAMBLE MANUFACTURING CO LIMA PLANT | LIMA | Formic acid | 40 lb |
| WHEMCO-OHIO FOUNDRY INC | LIMA | - | 0 lb |
| RANDALL BEARINGS INC. | LIMA | - | 0 lb |
| PURINA ANIMAL NUTRITION LLC - LIMA | LIMA | - | 0 lb |
| RUDOLPH FOODS | LIMA | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 278 tank facilities in Allen: 213 tanks in service and 615 closed. 428 fuel releases are on record, of which 20 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Allen as Zone 1, the highest predicted indoor radon levels (over 4 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 Allen, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- DOD JOINT SYSTEMS MFG CENTERLIMA
- HUSKY REFINERY FIRELIMA
- JOINT SYSTEMS MANUFACTURING CENTER (0302020027)LIMA
- LIMA ACRYLIC ERLIMA
- LIMA PLASTIC FIRE ERLIMA
- METOKOTE CORP PLANT 4 AKA SHELLER GLOBELIMA
- ORBITRON INDUSTRIESDELPHOS
- REPUBLIC CREOSOTE COLIMA
- SOUTHERN ILLINOIS RAILCARCAIRO