Federal officials plan to post warning signs along a contaminated suburban St. Louis creek where generations of children were exposed to radioactive material. Coldwater Creek, which winds between ...

The signs released by the U.S. Army Corps of Engineers warn of "low-level radioactive materials present" near Coldwater Creek in St. Louis. Federal officials plan to post warning signs along a ...

ST. LOUIS COUNTY, Mo. — The U.S. Army Corps of Engineers plans to install what could end up being scores of signs sometime in November across north St. Louis County to warn people about the dangers of ...

LITTLE ROCK -- At issue are glow-in-the-dark signs that contain tritium, a hydrogen isotope with a radioactive strength similar to that of material in many smoke alarms. The Nuclear Regulatory ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. FLORISSANT, Mo. – Florissant residents could ...

ST. LOUIS COUNTY, Mo. — A federal agency said it wants to put new signs along Coldwater Creek in Florissant, Missouri, warning residents about possible radioactive waste. The US Army Corps of ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. ST. LOUIS — The Army Corps of Engineers ...

An undated photo from the 1980s, of two teenagers stepping on rocks and wooden planks on Coldwater Creek. The photo is from a scrapbook kept by Sandy Delcoure, who lived on Willow Creek in Florissant ...