UST Check → counties → Montana → Powder River
Underground storage tanks & leak sites in Powder River County, MT
Every figure below is from EPA UST Finder — the EPA-compiled national registry of state-reported underground storage tanks — county aggregates as published by EPA.
24registered tank facilities
12open tanks
51closed tanks
27leak incidents on record
8cleanups still open
8 leak cleanups in
Powder River County are still open — the state has not closed the case.
An open cleanup near a property you're buying or lending on is a findable, checkable fact: it appears in a
per-address screen with distance and the registry record.
Largest registered facilities
By open-tank count, from the facility-level registry. Every fact is attributed to the EPA record (linked ID); something wrong — use the correction path in the footer and we'll fix or remove it promptly.
| Facility | City | Open / closed tanks | Status | EPA record |
|---|---|---|---|---|
| ALDERMAN OIL CO | BROADUS | 6 / 3 | Open UST(s) | MT3803951 |
| THE CORNER STORE | BROADUS | 3 / 5 | Open UST(s) | MT3800126 |
| CROSS RANCH MERC | BIDDLE | 2 / 3 | Open UST(s) | MT3801493 |
| COUNTY SHOP MAINTENANCE YARD | BROADUS | 1 / 2 | Open UST(s) | MT3800548 |
| PARK SUPER SERVICE UST | BROADUS | 0 / 6 | Closed UST(s) | MT3805046 |
| MDOT 43 3801 BROADUS SECTION YARD | BROADUS | 0 / 5 | Closed UST(s) | MT3809682 |
| BROADUS TRUCK & SUPPLY | BROADUS | 0 / 3 | Closed UST(s) | MT3802464 |
| ROBERT MCCURDY & RICHARD SHAMLEY | BROADUS | 0 / 3 | Closed UST(s) | MT3805047 |
Open leak cleanups — most recently reported
| Site | City | Reported | Substance | EPA record |
|---|---|---|---|---|
| BROADUS COUNTY MAINTENANCE SHOP #2894 | Broadus | 1990-10-22 | — | MT2894 |
| BROADUS TRUCK & SUPPLY #432 | Broadus | 1990-07-18 | — | MT432 |
| HAROLD J MILLER #341 | Broadus | 1990-07-17 | — | MT341 |
| MCCURDY & SHAMLEY FORMER TEXACO SERVICE STATION #337 | Broadus | 1990-07-16 | — | MT337 |
| COPPS TRUE VALUE INC #654 | Broadus | 1990-02-12 | — | MT654 |
| FARMERS UNION OIL CO BROADUS #115 | Broadus | 1989-09-12 | — | MT115 |
What this means if you're buying or lending here
- "Closed" ≠ clean. A closed tank was taken out of service per the registry — many were closed without soil testing, especially before the late 1990s.
- The registry is incomplete by design. Tanks removed before 1986 and most residential heating-oil tanks were never registered. A county with 24 registered facilities has an unknown number of unregistered ones.
- Open cleanups are the headline. 8 cases in this county are still open; contamination may still be under investigation or remediation — distance from a specific parcel is what matters, and that's a per-address question.
Screen a specific property
This page covers the county. A purchase or loan decision needs the registry around one address: registered tanks at the parcel, every facility within 500 and 1,500 ft, leak cleanups with status and distance — each line cited to the official record.
Screen an address — $49 How it worksThis is a screen of EPA-registered tank and leak records, not an environmental site assessment. State registries are incomplete by design: tanks removed before 1986 and most residential heating-oil tanks were never registered, so a clean screen cannot prove the absence of a tank. "Closed" means a tank was taken out of service per the registry — it does not certify that no contamination remains.
source: EPA UST Finder EPA data vintage 2024-12-04 computed 2026-06-12