Iowa pollution perils lurk among buried fuel tanks
Leaking underground fuel tanks threaten to contaminate drinking water, lakes, streams and homes across Iowa as environmental officials change rules to speed up detection and cleanup.
There are about 6,200 leaking underground storage tanks in the state — and more than 1,500 are considered ongoing contamination risks. Some of the leaking tanks have been problems for more than 15 years. Almost 820 are labeled high-risk.