EPA-regulated facilities in Marshall County, IA

There are 257 EPA-regulated facilities inside Marshall County, Iowa. The most common kinds are hazardous waste (139), air emissions (59), water discharge (55). 3 are currently in significant noncompliance, the EPA's designation for the most serious or persistent violations, and 9 have a violation on record. Penalties over the last five years total $5.3M across 2 sites.

Open the map of Marshall County

257facilities in the county
3in significant noncompliance
9with a violation on record
$5.3Min penalties, last 5 years

By category

CategoryFacilities
Hazardous waste139
Small quantity generators62
Chemical (RMP/TRI)28
Superfund2
Air emissions59
Major sources4
Synthetic minor sources26
Minor sources19
Water discharge55
Major permits1
Minor permits24
Drinking water systems22
Greenhouse gas reporters3
Data centers2

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.

Largest penalties

Penalties assessed over the last five years.

Superfund sites

Data centers

Towns in Marshall County

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.