# Johnstown Water Treatment Plant: 2 AST tanks installed (4,200 gal), Johnstown, CO

**Score:** 35/100

| Field | Value |
|---|---|
| Site | Johnstown Water Treatment Plant |
| Facility ID | 21446 |
| Site type | Government |
| Event | Tanks installed on 2026-07-31 |
| Tanks | 2 |
| Total gallons | 4200 |
| Tank types | AST |
| Products | Diesel Dyed #2 |
| Location | Johnstown, Weld County, CO, 80534 |

## Why this score
- New tanks: monitoring, testing and compliance.

Source: Colorado Division of Oil and Public Safety regulated storage tanks (data.colorado.gov) (https://data.colorado.gov/d/qszy-xfii). Last refreshed: 2026-11-04T21:51:47.955Z.
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.