Portage County, OH
The federal environmental record for Portage County (population 162,665): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
12
federal cleanup sites
1
PFAS-detecting water systems
26
TRI facilities
23
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Summit National | Deerfield Township | on the NPL | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Portage 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 |
|---|---|---|
| RAVENNA CITY PWS OH6703211 | PFBA: 7.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
26 facilities in Portage filed TRI reports for 2024, totalling 160k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| TRELLEBORG SEALS & PROFILES AMERICAS | AURORA | Sodium nitrite, Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 36k lb |
| CUSTOM PULTRUSIONS INC. | AURORA | Styrene | 24k lb |
| SYNTHOMER INC-MOGADORE PLANT | MOGADORE | Styrene, Acrylonitrile | 19k lb |
| PYROTEK | AURORA | Zinc compounds | 17k lb |
| HARBISONWALKER INTERNATIONAL INC | WINDHAM | Phenol, Aluminum (fume or dust) | 17k lb |
| SCHNELLER LLC | KENT | Antimony compounds, Decabromodiphenyl oxide | 15k lb |
| CLEVELAND STEEL CONTAINER CORP - STREETSBORO PLANT | STREETSBORO | Certain glycol ethers | 9k lb |
| SMITHERS-OASIS NA | KENT | Formaldehyde | 6k lb |
| DERMAMED COATING CO-PLANT 2 | TALLMADGE | Toluene | 6k lb |
| MANTALINE CORP | MANTUA | Zinc compounds | 4k lb |
| POLYMERICS INC | KENT | Zinc compounds | 3k lb |
| SACO AEI POLYMERS INC. | AURORA | Antimony compounds, Zinc compounds | 3k lb |
| DURACOTE CORP | RAVENNA | Styrene | 2k lb |
| SIKA MBCC US LLC - STREETSBORO | STREETSBORO | Lithium carbonate | 755 lb |
| VWR CHEMICALS LLC | AURORA | Methanol | 264 lb |
| DUDICK INC | STREETSBORO | Styrene | 195 lb |
| PARKER HANNIFIN CORP PARFLEX DIV | RAVENNA | Lead compounds | 126 lb |
| GENERAL ALUMINUM ROOTSTOWN DIV | RAVENNA | Lead | 7 lb |
| SAFETY-KLEEN SYSTEMS KENT (KOH) | KENT | Polycyclic aromatic compounds, Ethylene glycol | 4 lb |
| QUIKRETE - CLEVELAND OH PLANT | RAVENNA | Lead | 1 lb |
| AURORA PLASTICS INC | STREETSBORO | - | 0 lb |
| FOUR O CORP | KENT | - | 0 lb |
| OLDCASTLE LAWN & GARDEN | HARTVILLE | - | 0 lb |
| THYSSENKRUPP ROTHE ERDE USA INC. | AURORA | Manganese | 0 lb |
| BERRY GLOBAL INC. | AURORA | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 301 tank facilities in Portage: 216 tanks in service and 686 closed. 423 fuel releases are on record, of which 23 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Portage as Zone 2, moderate predicted indoor radon (2 to 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 Portage, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CREST RUBBER COMPANYRAVENNA
- CREST RUBBER RAVENNA SITERAVENNA
- HOLDEN SCHOOL VAPOR INTRUSIONKENT
- JERRY'S PROFESSIONAL CLEANERSKENT
- KARL INDUSTRIESAURORA
- OLD KENT CITY DUMPFRANKLIN TOWNSHIP
- RAVENNA FIRE DEPARTMENT MERCURY SPILLRAVENNA
- STREETSBORO HIGH SCHOOL MERCURY SPILLSTREETSBORO
- SUMMIT NATIONALDEERFIELD
- TOMPKINS CORPKENT
- US ARMY RAVENNA ARMY AMMUNITION PLTRAVENNA
- WINDHAM ALLOYSWINDHAM