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Brownfield sites in San Juan County, Colorado
EPA lists 13 brownfield sites in San Juan County. Grant recipients report them. 9 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 |
|---|---|---|---|
| Anvil Mountain Subdivision Affordable Housing Site | Silverton | 7 | Ready for reuse (7), Assessment (7) |
| Boxcar Apartment Site | Silverton | 1 | Multipurpose grant |
| Gladstone Treatment Plant | Gladstone | 1 | Targeted assessment |
| Lackawanna Mill Site | Silverton | 1 | Multipurpose grant |
| Martha Rose/Walsh Smelter | Silverton | 1 | Ready for reuse, Cleanup, Targeted assessment |
| Silver Crown Mine | Silverton | 1 | Ready for reuse |
| Zanoni Property | Silverton | 1 | Targeted assessment |
To see each site in San Juan County on a map, use the Cleanups in My Community map, on EPA's site.
EPA flags
| EPA flag | Sites |
|---|---|
| Ready for reuse | 9 |
| Assessment | 7 |
| Cleanup | 1 |
| Targeted assessment | 3 |
| State or tribal program | 0 |
| Multipurpose grant | 2 |
| 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.