Superfund Information Systems: Site Profile

Superfund Site:

SAUGET AREA 1
SAUGET, IL

Cleanup Activities

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Background

The Sauget Area 1 site is located in the villages of Sauget and Cahokia in St. Clair County, Illinois. It consists of three closed waste disposal areas (Sites G, H and I), a closed construction debris disposal area (Site N), a backfilled impoundment (Site L), an inactive borrow pit (Site M) and about 3.5 miles of Dead Creek. Following short-term response actions to protect human health and the environment, EPA is in the process of developing and implementing the site’s long-term remedy.

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What Is Being Done to Clean Up the Site?

The site is being addressed through potentially responsible party (PRP) actions under state and federal enforcement agreements and federal actions.

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What Is the Current Site Status?

EPA approved the site’s Record of Decision (ROD) in September 2013. This document outlines EPA’s plan for cleaning up remaining contamination at the site. It will be the first of two cleanup decisions and cleanup actions for the site.

EPA’s overall strategy for cleaning up the site is to first address contamination in soil, sediment, surface water and groundwater. Groundwater is an environmental term for underground supplies of fresh water. Under EPA’s selected cleanup, the Agency will use an innovative forced air technique in areas of remaining waste and cap these sections on site. The cleanup will protect people and the environment and comply with state and federal environmental regulations. The plan can be implemented, is effective in the long term and is cost-effective. The estimated cost for this cleanup plan is $14.8 million.

Next, EPA plans to issue two more RODs. One will address Sauget Area 2 soil, sediment, surface water and groundwater contamination. The other will address groundwater contamination resulting from the contaminated soil and groundwater contamination identified in the Sauget Area 1 and Sauget Area 2 sites.

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Sampling and Monitoring

  

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Emergency Response and Removal

EPA has previously led a series of short-term removal actions at the Sauget Area 1 site to protect public health and the environment. These activities included removing 22,000 cubic yards of contaminated creek sediment (mud) from Dead Creek, consolidating waste and placing soil cover over the Site G landfill after an underground fire, replacing culverts in Dead Creek that act as backup points for floodwaters, digging up 50,000 cubic yards of contaminated sediment from Dead Creek Segment B-F, Site M and the basin area, pumping water in areas of Dead Creek to improve drainage and lessen standing water, and placing a liner in creek segment B.

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