Butler County, OH
The federal environmental record for Butler County (population 393,043): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
4
Superfund NPL sites
12
federal cleanup sites
7
PFAS-detecting water systems
43
TRI facilities
37
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Armco Inc., Hamilton Plant | Hamilton | proposed | - |
| Chem-Dyne | Hamilton | on the NPL | 09/08/1983 |
| Feed Materials Production Center (USDOE) | Fernald | on the NPL | 11/21/1989 |
| Skinner Landfill | West Chester | on the NPL | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Butler 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 |
|---|---|---|
| MIDDLETOWN CITY PWS OH0901712 | PFOS: 4.3 ng/L | above final limit |
| HAMILTON PUBLIC WATER SYSTEM OH0904012 | PFOA: 5.3 ng/L PFHxS: 4.1 ng/L PFBS: 3.6 ng/L | above final limit |
| BUTLER CO. WATER DISTRICT 2 PWS OH0900303 | PFHxS: 4.7 ng/L PFBS: 3.5 ng/L | detected |
| FAIRFIELD CITY PWS OH0900715 | PFBA: 5.7 ng/L HFPO-DA: 5.7 ng/L PFPeA: 4.3 ng/L | detected |
| OXFORD CITY PWS OH0902312 | PFBS: 12.6 ng/L | detected |
| TRENTON CITY PWS OH0903012 | PFHxS: 3.1 ng/L PFBS: 3 ng/L | detected |
| SOUTHWEST REGIONAL WATER DISTRICT OH0903912 | PFBS: 3.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
43 facilities in Butler filed TRI reports for 2024, totalling 1.6M lb released. The 25 largest by volume:
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| CLEVELAND-CLIFFS INC. | MIDDLETOWN | Manganese And Manganese Compounds, Zinc compounds | 1.0M lb |
| THE SHEPHERD COLOR CO | CINCINNATI | Chromium compounds (except for chromite ore mined in the Transvaal Region), Ammonia | 311k lb |
| UNIVAR SOLUTIONS USA INC. - HAMILTON | HAMILTON | Certain glycol ethers, Toluene | 95k lb |
| MIDDLETOWN COKE CO | MIDDLETOWN | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 84k lb |
| TEDIA CO LLC | FAIRFIELD | Acetonitrile, n-Hexane | 30k lb |
| ESSITY OPERATIONS WAUSAU LLC | MIDDLETOWN | Zinc compounds, Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 20k lb |
| GE AEROSPACE ADDITIVE TECHNOLOGY CENTER | WEST CHESTER | Cobalt | 13k lb |
| PLAS-TANKS INDUSTRIES INC. | HAMILTON | Styrene | 10k lb |
| FEDERALEAGLE, LLC | CINCINNATI | Styrene | 9k lb |
| SUPERIOR INDUSTRIAL SOLUTIONS INC | FAIRFIELD | Methanol, Certain glycol ethers | 9k lb |
| KOCH FOODS OF FAIRFIELD | FAIRFIELD | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | 7k lb |
| CHROME DEPOSIT CORP | MONROE | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 5k lb |
| UNIVAR USA INC.- CINCINNATI OH BRANCH | CINCINNATI | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Ammonia | 5k lb |
| GLASS COATINGS & CONCEPTS | MONROE | Certain glycol ethers, Zinc compounds | 5k lb |
| BLUESCOPE COATED PRODUCTS LLC | MIDDLETOWN | 1,2,4-Trimethylbenzene, n-Butyl alcohol | 4k lb |
| IWATA BOLT USA INC | FAIRFIELD | Zinc compounds | 4k lb |
| EVERTZ TECHNOLOGY SERVICES INC. | MIDDLETOWN | Chromium, Nickel | 784 lb |
| PILOT CHEMICAL CO MIDDLETOWN OHIO FACILITY | MIDDLETOWN | Diethanolamine | 530 lb |
| WORTHINGTON STEEL CO | MONROE | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size), Manganese | 288 lb |
| GRAPHIC PACKAGING INTERNATIONAL INC. | MIDDLETOWN | Lead And Lead Compounds | 257 lb |
| WORLD FUEL SERVICES MONROE BULK PLANT | MONROE | Toluene, Xylene (mixed isomers) | 202 lb |
| TERRY ASPHALT MATERIALS INC | HAMILTON | Polycyclic aromatic compounds, Benzo[g,h,i]perylene | 91 lb |
| STEIN LLC | MIDDLETOWN | Manganese And Manganese Compounds, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 76 lb |
| SCHNEIDER ELECTRIC | OXFORD | Copper, Manganese | 49 lb |
| PACIFIC MANUFACTURING | FAIRFIELD | Manganese, Nickel | 25 lb |
Underground fuel tanks
EPA's UST Finder records 622 tank facilities in Butler: 518 tanks in service and 1,329 closed. 828 fuel releases are on record, of which 37 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Butler 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 Butler, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- AK STEEL CORP HAMILTON PLANTHAMILTON
- CHEM-DYNEHAMILTON
- CLEVER CLEANERS SITEHAMILITON
- LEXINGTON MANOR LEAD SITEFAIRFIELD
- MAIN STREET MERCURY SPILLMIDDLETOWN
- MAR-FLEX FIRE RESONSEMIDDLETOWN
- MILLIKIN ROAD LEAD SITEHAMILTON
- MONROE TRANSFORMERMIDDLETOWN
- SCHLICHTER CONSTRUCTION & DEMOLITION DEBRIS LANDFILLHAMILTON
- SKINNER LANDFILLWEST CHESTER
- SPANGLER PAVING SITEFAIRFIELD
- SPORTSMAN 25 SITEOKEANA