Franklin County, OH
The federal environmental record for Franklin County (population 1,326,063): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
23
federal cleanup sites
5
PFAS-detecting water systems
64
TRI facilities
104
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Air Force Plant 85 | Columbus | proposed | - |
Drinking water: PFAS testing
Public water systems serving Franklin 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 |
|---|---|---|
| BEXLEY CITY PWS OH2500103 | PFHxA: 12.2 ng/L PFBA: 11.7 ng/L PFPeA: 11.4 ng/L | above final limit |
| SANITARY DISTRICT #4 OH2501003 | PFHxA: 22 ng/L PFBA: 17 ng/L PFPeA: 17 ng/L | above final limit |
| COLUMBUS PUBLIC WATER SYSTEM OH2504412 | PFHxA: 18.2 ng/L PFBA: 17 ng/L PFPeA: 14.2 ng/L | above final limit |
| REYNOLDSBURG CITY PWS OH2503203 | PFBA: 5.5 ng/L | detected |
| WESTERVILLE CITY PWS OH2503411 | PFBA: 5.6 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
64 facilities in Franklin filed TRI reports for 2024, totalling 805k lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| AMSTED RAIL CO INC | GROVEPORT | Zinc (fume or dust), Manganese | 279k lb |
| GFS CHEMICALS INC | COLUMBUS | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia | 126k lb |
| CAPITAL RESIN CORP | COLUMBUS | Formaldehyde, Phenol | 75k lb |
| V&S COLUMBUS GALVANIZING LLC | COLUMBUS | Zinc compounds, Lead | 35k lb |
| ANHEUSER-BUSCH COLUMBUS BREWERY | COLUMBUS | Ammonia | 34k lb |
| MILLS METAL FINISHING | COLUMBUS | Chromium, Nickel | 31k lb |
| SHERWIN-WILLIAMS CO | GROVE CITY | Triglycidyl isocyanurate | 30k lb |
| TS TRIM INDUSTRIES INC. | CANAL WINCHESTER | Cyclohexane | 28k lb |
| HYPERION MATERIALS & TECHNOLOGIES - WORTHINGTON | WORTHINGTON | Nitrate compounds (water dissociable; reportable only when in aqueous solution), Nickel | 27k lb |
| CORE MOLDING TECHNOLOGIES | COLUMBUS | Styrene | 25k lb |
| SONOCO METAL PACKAGING LLC | COLUMBUS | Xylene (mixed isomers), Certain glycol ethers | 22k lb |
| WORTHINGTON CYLINDER CORP | COLUMBUS | 1,2,4-Trimethylbenzene, Diisocyanates | 21k lb |
| FRANKLIN INTERNATIONAL | COLUMBUS | Vinyl acetate, Butyl acrylate | 8k lb |
| SHERWIN-WILLIAMS CO | COLUMBUS | Zinc compounds, Certain glycol ethers | 8k lb |
| HFI LLC (0125034004) | CANAL WINCHESTER | Diisocyanates | 7k lb |
| HIKMA PHARMACEUTICALS USA INC. | COLUMBUS | Lithium carbonate | 7k lb |
| ARMSTRONG WORLD INDUSTRIES HILLIARD OHIO PLANT | HILLIARD | Manganese And Manganese Compounds | 6k lb |
| LUXOTTICA OPTICAL MANUFACTURING-COLUMBUS | LOCKBOURNE | Lead | 5k lb |
| PLASKOLITE LLC. | COLUMBUS | Methyl methacrylate, Ethyl acrylate | 5k lb |
| ISP CHEMICALS LLC | COLUMBUS | Methanol, n-Hexane | 5k lb |
| AXALTA COATING SYSTEMS LLC - HILLIARD SITE | HILLIARD | Triglycidyl isocyanurate | 4k lb |
| CLEVELAND-CLIFFS COLUMBUS LLC | COLUMBUS | Ammonia, Zinc compounds | 4k lb |
| MPLX TERMINALS LLC - COLUMBUS OH WEST TERMINAL | COLUMBUS | n-Hexane, Toluene | 3k lb |
| MARS PETCARE US INC. | COLUMBUS | Zinc compounds | 3k lb |
| MPLX TERMINALS LLC - COLUMBUS OH EAST TERMINAL | COLUMBUS | n-Hexane, Toluene | 2k lb |
Underground fuel tanks
EPA's UST Finder records 1,887 tank facilities in Franklin: 1,577 tanks in service and 3,857 closed. 2,676 fuel releases are on record, of which 104 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Franklin 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 Franklin, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AIR FORCE PLANT 85COLUMBUS
- ALUM CREEK BIKE PATH DRUM SITECOLUMBUS
- ASARCO INC *COLUMBUS
- AUDREY ROAD MERCURY CLEANUPCOLUMBUS
- CALIFORNIA AVENUE MERCURY SPILLCOLUMBUS
- CLINTON HEIGHTS MERCURY ER SITECOLUMBUS
- COLUMBUS AUTO PARTSCOLUMBUS
- COLUMBUS SCRAPCOLUMBUS
- COLUMBUS TRAIN DERAILMENTCOLUMBUS
- CUSTOM CLEANERS INCCOLUMBUS
- DECORATIVE SURFACES INTERNATIONAL, INC.COLUMBUS
- DEFENSE SUPPLY CENTER, COLUMBUSCOLUMBUS
- FORSYTHE AVENUE MERCURY SPILLCOLUMBUS
- HILLIARD MERCURY SPILL SITEHILLIARD
- INTEGRITY DRIVE SOUTH DRUM DUMPCOLUMBUS
- MAIZE RD. MERCURY SPILLCOLUMBUS
- MARYLAND AVENUE RESIDENTIAL PROPERTIESCOLUMBUS
- PAMELLA DRIVE MERCURY SPILLCOLUMBUS
- RICKENBACKER AIR NATIONAL GUARD (USAF)LOCKBOURNE
- ROOSTER RESTAURANT MERCURYCOLUMBUS
- STEWART AVENUE LEAD SITECOLUMBUS
- STICKLE DRUM SITELOCKBOURNE
- WHITEHALL OHIO MERCURY SPILLWHITEHALL