SPRINGFIELD, Mass. (WWLP)-- The Springfield Water and Sewer Commission is warning customers of persons impersonating Commission employees. According to the Commission, they have received reports of a person trying to get into Springfield homes by saying they are an employee of the Commission and saying that the resident's water must be tested. Berkshire District Attorney’s office awarded over $200,000 in grant funding The Commission says employees will never come to a home unannounced to perform work unless it’s an emergency and will provide proper credentials.  Below are important reminders for customers to protect their family and property: In almost all cases, Commission work is performed by appointment.  In rare circumstances, Commission employees may visit a property unannounced due to a water or sewer emergency.  Do not allow anyone who claims to be a Commission employee into your home or on your property without first checking their official Springfield Water and Sewer Commission identification card. The backs of the cards include a number you may call to verify employment with the Commission. Commission employees drive blue or white vehicles with official blue license plates, and the Springfield Water and Sewer Commission seal is displayed on the vehicle.  You may contact 413-452-1309 to verify that an employee works at SWSC, and/or 413-310-3501 to verify that the employee is scheduled to perform work at your property. Payments and other account transactions are only accepted by mail, online, or at designated payment locations.  Commission employees never ask for payments or money transfers while at a customer’s home.  If you suspect that an individual is unlawfully posing as a Commission employee, do not allow them access to your property and contact the police department. The Commission has more information about utility scams on its website.