St. Louis Region
Weldon Spring is a federal cleanup you can visit
The Weldon Spring Site is a completed federal radiological and chemical cleanup, now managed for the long term, an example of checking official records calmly rather than relying on rumor.
Near Weldon Spring in St. Charles County, a former World War II-era ordnance works and later uranium-processing site was cleaned up under federal programs. Wastes were consolidated into an engineered disposal cell that the public can actually walk on, near an interpretive center.
The site is now managed for the long term by the U.S. Department of Energy’s legacy-management program. The useful framing is calm and factual: this is a documented, monitored site with official records, not a rumor. For someone considering nearby property, DOE legacy-management information is the authoritative source for the site’s status.
The cleanup is part of Weldon Spring’s modern identity, alongside the site’s long-term federal stewardship.
References
More from St. Charles County: browse every local note for the county.
Last checked against the sources above: June 15, 2026.