Sweitzer Lake is a superfund site located at 1735 East Road, Delta, CO 81416. The Environmental Protection Agency (EPA) identifies sites such as Sweitzer Lake 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. Sweitzer Lake 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.