EPA-regulated facilities in Stillwater County, MT
There are 201 EPA-regulated facilities inside Stillwater County, Montana. The most common kinds are water discharge (140), drinking water systems (25), hazardous waste (19). None is in significant noncompliance, but 7 have a violation on record.
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By category
| Category | Facilities |
|---|---|
| Hazardous waste | 19 |
| Large quantity generators | 1 |
| Small quantity generators | 9 |
| Chemical (RMP/TRI) | 6 |
| Superfund | 3 |
| Air emissions | 17 |
| Major sources | 2 |
| Synthetic minor sources | 1 |
| Minor sources | 2 |
| Water discharge | 140 |
| Minor permits | 119 |
| Drinking water systems | 25 |
| Scrap yards | 3 |
A facility enrolled in several programs counts once in the total and once in each of its categories.
Superfund sites
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.