Cemex Construction Materials South LLC
5134 Ute Highway, Lyons, CO 80540, Boulder County
A manufacturing facility in Lyons, Colorado, listed in EPA records under cement manufacturing (NAICS 327310). It is one of 1,833 active manufacturing facilities in EPA records in Colorado.
- Industry
- Glass, cement and stone
- NAICS 327
- TRI reporter
- Yes
- Inspections, 5 yr
- 4
- EPA registry ID
- 110000467450
- Revised
- November 1, 2026
What's made here
- Cement Manufacturing (NAICS 327310)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 80540STHWS5134U). |
|---|---|
| Clean Air Act | Listed as a major source, and also a minor source, and also a synthetic minor source (permit limits keep it below major-source levels) of air emissions. |
| Clean Water Act | A non-major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a very small quantity generator of hazardous waste (under 100 kg a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 4 in the last five years; most recent August 20, 2025. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records