"COLUMBIA — The estimated number of fish killed in Flat Branch Creek last week has skyrocketed from an initial estimate of 1,000 to 14,000. ..."
A lot of water was used to drown a fire that involved a lot of toxic liquids (an auto parts store as well as a beauty supply store and Chinese restaurant. The Flat Branch flows into the Hinkson Creek and ultimately to the Missouri River.
The city of Columbia is already dealing with an EPA mandate to mitigate problems with the Hinkson, but when the watershed has so much impervious surface, it is really difficult to maintain water quality standards.