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Brownfield sites in Boulder County, Colorado
EPA lists 45 brownfield sites in Boulder County. Grant recipients report them. 11 carry EPA's ready-for-reuse flag.
Zoning: Check zoning with the city.
The sites
Each row is a site name and city, as EPA holds them. Where several sites share a name, the count shows how many.
| Site | City | Sites | EPA flags |
|---|---|---|---|
| Aggregate Industries, Louisville Plant | Louisville | 1 | Ready for reuse, Assessment |
| Car Wash | Louisville | 1 | Assessment |
| Coal Creek Collision Center | Louisville | 1 | Ready for reuse, Assessment |
| Comcast Cablevision of Colorado | Louisville | 1 | Ready for reuse, Assessment |
| Eastpark 1 | Louisville | 1 | Assessment |
| Eastpark 2 | Louisville | 1 | Assessment |
| Fordyce Auto | Louisville | 1 | Assessment |
| Former Alpine Lumber Property | Louisville | 1 | Ready for reuse, Assessment |
| Former Explosive Fabricators Property | Louisville | 1 | Assessment |
| Gas O Mat | Longmont | 1 | Assessment |
| Jamestown Elysian Park | Jamestown | 1 | Ready for reuse, Cleanup |
| Longmont EcoDevo | Longmont | 1 | Assessment, Targeted assessment |
| Longmont Sugar Mill | Longmont | 1 | Targeted assessment |
| Louisville Tire and Auto Center | Louisville | 1 | Ready for reuse, Assessment |
| Lyons Town Hall | Lyons | 1 | Assessment |
| Nederland Community Center | Nederland | 1 | Targeted assessment |
| Nederland Old Town Shop | Nederland | 1 | Targeted assessment |
| Old Sausage and Louisville Store and Lock | Louisville | 1 | Assessment |
| PDI Trust Property | Louisville | 1 | Assessment |
| Redtail Ranch | Erie | 1 | None |
| Riverset | Longmont | 1 | Assessment |
| South Bowen Industrial Park | Longmont | 1 | Assessment |
| The Argo Mine | Jamstown | 1 | Ready for reuse, Cleanup |
| Undeveloped Land | Louisville | 1 | Ready for reuse, Assessment |
| Union Jack Liquors | Louisville | 1 | Assessment |
20 more sites have an address or parcel number as the EPA name. We count them but don't show the name.
To see each site in Boulder County on a map, use the Cleanups in My Community map, on EPA's site.
EPA flags
| EPA flag | Sites |
|---|---|
| Ready for reuse | 11 |
| Assessment | 39 |
| Cleanup | 2 |
| Targeted assessment | 4 |
| State or tribal program | 0 |
| Multipurpose grant | 0 |
| Area-wide planning | 0 |
A site can carry more than one flag. The grant flags show which kinds of EPA brownfield funding a site is listed under.
What this data holds
- Acreage isn't in EPA's national data, so we don't show site sizes.
- We hold no flood data for these sites.
- We show the city and county, not street addresses.
- Grant recipients report these sites to EPA. A flag is EPA's record, not a site visit.
Go further with a paid plan
A paid plan runs site reports and area scans on the sites you pick. How much we read varies by state.
Starter: US$39 a month for 100 credits. Run full site reports, area scans and letter drops.
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US EPA data, as of 18 Oct 2026, reported by grant recipients. Not endorsed by EPA. Not legal or environmental advice; confirm with the state or EPA region.