The Lot 46 Valley Gardens TCE Site was added to the NPL on March 5, 2024. The next step for the site will be to complete a Remedial Investigation and Feasibility Study, or RI/FS, currently estimated to begin in 2026. The focus of the RI is to define the nature and extent of the contamination and to develop the site's conceptual site model.
| City | Des Moines |
|---|---|
| County | Polk County |
| State | Iowa |
| Coordinates | 41.56650, -93.65210 |
Lot 46 Valley Gardens Tce is a federal Superfund site in Iowa. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.
Current status: Listed on NPL. This site is on EPA's National Priorities List, which identifies the most serious uncontrolled or abandoned hazardous waste sites in the country. Listing triggers federal cleanup authority and funding under CERCLA (the Superfund law).
If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.