Both Iowa City and Cedar Rapids have seen a historic number of water mains break this January, officials say.
Ed Moreno, the Iowa City water division superintendent, said the problems are most often occurring with cast iron pipes laid from World War II until the 1970s. Cast iron is less flexible than the newer pipes made out of ductile iron or PVC.
Iowa City has had 26 water main breaks since January 1, while Cedar Rapids has seen 40.
So far, the breaks have cost $35,000, but the total will increase when jobs are completed in the spring.
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