Superfund Site:

SOUTHWEST JEFFERSON COUNTY MINING
JEFFERSON COUNTY, MO

Superfund Site Profile

Site Contacts

Community Involvement Coordinator
Elizabeth Kramer
[email protected]
(913) 551-7186

Remedial Project Manager
Whitney Bynum
[email protected]
(913) 551-7735

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Site Location

Street Address:
SLVR LK TRL & THNDR RDG RD,.5M W HWY WW
JEFFERSON COUNTY, MO 63023

Announcements and Key Topics

On Jan. 17, 2024, the U.S. Environmental Protection Agency (EPA) announced it was lowering the screening level for lead in soil at residential properties from 400 parts per million (ppm) to 200 ppm. At residential properties with multiple sources of lead exposure, EPA will generally use 100 ppm as the screening level.  

EPA Region 7 plans to use the new screening ...
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Background

The Southwest Jefferson County Mining Site includes all of Jefferson County, Missouri, excluding the Herculaneum Site. Jefferson County is located on the northern portion of an area known as the ...
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