Muskingum County, OH
The federal environmental record for Muskingum County (population 86,305): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.
1
Superfund NPL sites
9
federal cleanup sites
3
PFAS-detecting water systems
9
TRI facilities
20
open tank releases
Superfund NPL sites
| Site | City | Status | Listed |
|---|---|---|---|
| Zanesville Well Field | Zanesville | on the NPL | 09/08/1983 |
Drinking water: PFAS testing
Public water systems serving Muskingum 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 |
|---|---|---|
| MUSKINGUM COUNTY WATER - SE OH6000412 | PFBS: 4.4 ng/L | detected |
| MAYSVILLE REGIONAL WATER OH6001411 | PFOA: 4 ng/L | detected |
| ZANESVILLE PWS OH6002712 | 6:2 FTS: 20.1 ng/L PFBS: 3.1 ng/L | detected |
On a system with detections? Testing and treatment options
Facilities reporting toxic releases (2024)
9 facilities in Muskingum filed TRI reports for 2024, totalling 79k lb released.
| Facility | City | Top chemicals | Total released |
|---|---|---|---|
| AMG VANADIUM LLC | ZANESVILLE | Vanadium compounds, Nickel compounds | 52k lb |
| CLEVELAND-CLIFFS STEEL CORP - ZANESVI LLE WORKS | ZANESVILLE | Hydrogen fluoride, Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | 13k lb |
| PLASKOLITE LLC. | ZANESVILLE | Methyl methacrylate, Toluene | 11k lb |
| CASTING SOLUTIONS LLC. | ZANESVILLE | Manganese, Phenol | 1k lb |
| RIDGE CORP | FRAZEYSBURG | Dicyclopentadiene | 750 lb |
| WORTHINGTON FOODS INC | ZANESVILLE | Nitric acid | 522 lb |
| OWENS-BROCKWAY GLASS CONTAINER INC PLANT 12 | ZANESVILLE | Lead compounds | 267 lb |
| NESTLE PURINA PETCARE | ZANESVILLE | - | 0 lb |
| THE BILCO CO | ZANESVILLE | - | 0 lb |
Underground fuel tanks
EPA's UST Finder records 241 tank facilities in Muskingum: 189 tanks in service and 512 closed. 332 fuel releases are on record, of which 20 remain open. Open releases are cleanups that have not reached "no further action".
Radon
EPA maps Muskingum 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 Muskingum, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.
- CENTRAL OHIO MERCURY RESPONSEZANESVILLE
- ESSEX INTERNATIONALZANESVILLE
- KAY DRIVE MERCURY SPILLZANESVILLE
- LEAR CORPZANESVILLE
- MIDWEST PORTLAND CEMENT COEAST FULTONHAM
- MOSAIC TILE DUMPZANESVILLE
- ROSEVILLEROSEVILLE
- ROSEVILLE AMERICAN LEGION TRAILER PARK SITEROSEVILLE
- ZANESVILLE CITY LANDFILLZANESVILLE