Charter Oak Preserving Co is a superfund site located at 3531 Charter Oak Dr., Carlsbad, CA 92008. The Environmental Protection Agency (EPA) identifies sites such as Charter Oak Preserving Co 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. Charter Oak Preserving Co 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.