EPA-regulated facilities in Oregon County, MO

There are 87 EPA-regulated facilities inside Oregon County, Missouri. The most common kinds are water discharge (49), air emissions (26), hazardous waste (9). 3 are currently in significant noncompliance, the EPA's designation for the most serious or persistent violations, and 6 have a violation on record.

Open the map of Oregon County

87facilities in the county

3in significant noncompliance

6with a violation on record

$0in penalties, last 5 years

By category

Category	Facilities
Hazardous waste	9
Small quantity generators	2
Air emissions	26
Minor sources	18
Water discharge	49
Minor permits	46
Drinking water systems	9

A facility enrolled in several programs counts once in the total and once in each of its categories.

In significant noncompliance

The EPA's designation for its most serious or persistent violations, as of the latest data.

KING JOHNS LLC RT 3 BOX 3740, THAYER, MO, 65791 Significant noncompliance
THAYER R-II SCHOOL DISTRICT 401 EAST WALNUT STREET, THAYER, MO, 65791 Significant noncompliance
KEN'S PLUMBING 421 CHESTNUT ST, THAYER, MO, 65791 Significant noncompliance

Bordering counties

Reading these numbers

These are regulatory records, not measurements of pollution. Most facilities appear because they hold a permit or file reports, and most of them are compliant; a listing is not a claim that a facility has polluted anything. Compliance status and penalties are the EPA's own determinations in data retrieved Oct 9, 2026. The Data page explains where each record comes from and how it can mislead.