Gallipolis Lock And Dam is a superfund site located at Ohio River Mp 276.7, Gallipolis Ferry, WV 25515. The Environmental Protection Agency (EPA) identifies sites such as Gallipolis Lock And Dam because they pose or had once posed a potential risk to human health and/or the environment due to contamination by one or more hazardous wastes. Gallipolis Lock And Dam is currently registered as an Archived superfund site by the EPA and does not require any clean up action or further investigation at this time.