If the crime is in progress, you should immediately call our dispatch center on 911. The Lake Saint Louis Police Department has a Police Tip Line citizens can reach by calling 636-625-7995 or by emailing the Tip Line. This service provides the public with an opportunity to provide information about any crime in the City of Lake Saint Louis. Callers may remain anonymous, should they choose to do so.
Persons with information of a crime that is being planned, you should call the Police Tip Line or contact our dispatch center at 636-625-8018 and ask to speak to an officer. If you have information regarding a crime that is under investigation, you should contact our dispatch center at 636-625-8018 to be referred to the officer handling that investigation.