UST Check → counties → Colorado → Summit
Underground storage tanks & leak sites in Summit County, CO
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.
91registered tank facilities
100open tanks
201closed tanks
94leak incidents on record
7cleanups still open
7 leak cleanups in
Summit 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 |
|---|---|---|---|---|
| Copper Mountain Resort Vehicle Maint | Frisco | 7 / 13 | Open UST(s) | CO8518 |
| Stinker Store #307 | Silverthorne | 5 / 0 | Open UST(s) | CO4020 |
| Summit County Operations Center (Xcel Energy) | Silverthorne | 4 / 2 | Open UST(s) | CO1562 |
| Breckenridge Ski Corp | Breckenridge | 4 / 0 | Open UST(s) | CO3616 |
| Frisco Maintenance Shop | Frisco | 4 / 0 | Open UST(s) | CO7174 |
| Kum & Go #0948 | Frisco | 4 / 0 | Open UST(s) | CO20274 |
| Loaf N Jug #48 | Frisco | 4 / 0 | Open UST(s) | CO1950 |
| Keystone Vehicle Maintenance | Keystone | 3 / 13 | Open UST(s) | CO3957 |
Open leak cleanups — most recently reported
| Site | City | Reported | Substance | EPA record |
|---|---|---|---|---|
| Ski Country Shell | Frisco | 2018-09-13 | — | CO13139 |
| Breckenridge Ski Corp | Breckenridge | 2018-09-11 | — | CO13131 |
| Silverthorne Shell | Silverthorne | 2017-12-27 | — | CO12921 |
| Rons Shell | Frisco | 2009-07-06 | — | CO10878 |
| Sav-o-mat Inc | Silverthorne | 2005-09-22 | — | CO9909 |
| Coastal Mart #1284 | Silverthorne | 2000-12-20 | — | CO8409 |
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 91 registered facilities has an unknown number of unregistered ones.
- Open cleanups are the headline. 7 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