Some South Carolina towns have developed regional water systems. Others still rely on their own utilities to bring in revenue, even with pollution safety concerns, rising repair costs and less customers.

Sammy Fretwell has written about the environment for more than 20 years. Among the matters he covers are climate change, wildlife issues, nuclear policy, pollution, land protection, coastal development, energy and state environmental policy. Fretwell, who grew up in Anderson County, is a University of South Carolina graduate. Reach him at 803 771 8537.