# QTS DEN1: 4 AST tanks installed (35,776 gal), Aurora, CO

**Score:** 50/100

| Field | Value |
|---|---|
| Site | QTS DEN1 |
| Facility ID | 21063 |
| Site type | Emergency generator |
| Event | Tanks installed on 2026-02-24 |
| Tanks | 4 |
| Total gallons | 35776 |
| Tank types | AST |
| Products | Diesel #2 |
| Location | Aurora, Arapahoe County, CO, 80018 |

## Why this score
- New tanks: monitoring, testing and compliance.
- 25,000+ gallons.

Source: Colorado Division of Oil and Public Safety regulated storage tanks (data.colorado.gov) (https://data.colorado.gov/d/qszy-xfii). Last refreshed: 2026-10-28T20:50:57.152Z.
From the Colorado Division of Oil and Public Safety regulated storage tank data. Dates are as reported to OPS and may post weeks after the work; verify with OPS before relying on a record. Sites named after an individual are excluded and street addresses are not shown.