Harrison County, OH

The federal environmental record for Harrison County (population 14,159): what is on file, where it is, and what remains open. Sources and retrieval dates are on the methodology page.

Superfund NPL sites

federal cleanup sites

PFAS-detecting water systems

TRI facilities

open tank releases

Drinking water: PFAS testing

No public water system serving Harrison reported a PFAS detection in the UCMR5 national testing round. Systems serving under 3,300 people were only sampled in part, so absence from this table is not proof of absence in the water.

Facilities reporting toxic releases (2024)

5 facilities in Harrison filed TRI reports for 2024, totalling 60k lb released.

Facility	City	Top chemicals	Total released
WILLIAMS HARRISON HUB FRACTIONATION PLANT (0634005028)	SCIO	n-Hexane, Cyclohexane	39k lb
MARKWEST UTICA EMG LLC	CADIZ	n-Hexane	10k lb
UTICA CONDENSATE STABILIZATION FACILITY (0634005057)	CADIZ	n-Hexane	8k lb
HOPEDALE FRACTIONATING FACILITY	JEWETT	n-Hexane, Benzene	4k lb
BOWERSTON SHALE CO	BOWERSTON	-	0 lb

Underground fuel tanks

EPA's UST Finder records 88 tank facilities in Harrison: 60 tanks in service and 188 closed. 106 fuel releases are on record, of which 11 remain open. Open releases are cleanups that have not reached "no further action".

Radon

EPA maps Harrison 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 - $39

All federal cleanup sites on file

The wider Superfund enterprise inventory (SEMS) for Harrison, including sites assessed but never listed. Presence here records that EPA had reason to look, not a finding of danger.

SCIO POTTERY COMPANYSCIO