The Norwalk First District Water Department owns and operates drinking water wells that draw from a shallow sand and gravel aquifer. The surrounding area of land that contributes water to these wells has been defined as the Kellogg-Deering Aquifer Protection Area for these drinking water wells.

• APA Kellogg-Deering Map

Additionally, the northeastern tip of Norwalk is within the Coleytown Aquifer area. 

• APA Coleytown Map