The Department of Public Works (DPW) runs the Sanitary Sewer System in Darien under the direction of the Sewer Commission.
Any resident or plumbing contractor who has questions about the sewer system may call or refer to the Sanitary Sewer Permit Requirements online. A valid Sanitary Sewer permit from the DPW and 24 hours advance notice is required to schedule a sewer inspection.
Any resident who has questions about their sewer billing may call the office or e-mail: ksantorella@darienct.gov