Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

JavaScript appears to be disabled on this computer. Please click here to see any active alerts.

Announcements

Neighborhood street on a winters day as snow melts on the streets in Pueblo Colorado — Neighborhood street in Pueblo, Colorado

EPA Finishes Cleaning Homes Under the Current Cleanup Level

In February 2025, EPA finished sampling and cleaning homes under the current cleanup goals, documented in the 2017 interim record of decision. EPA is evaluating what impact the 2024 Updated Residential Soil Lead Guidance may have on residential cleanup levels.

For questions about residential sampling or cleanup, contact: Beth Archer at (720) 512-1917 or (archer.elizabeth@epa.gov)

EPA Changes Lead (Pb) Guidance

In January 2024, EPA updated the residential screening level for lead at Superfund sites. Learn more under the Site Progress.

Announcements

EPA Finishes Cleaning Homes Under the Current Cleanup Level

EPA Changes Lead (Pb) Guidance

Colorado Smelter