Lake Patrol

The City of Delafield Lake Patrol began in 1972 with the purpose of "enforcing Wisconsin Statutes and any rule or ordinances pursuant thereto..." The lake patrol is run by the City of Delafield Police Department. It originally began with part-time officers working primarily weekends and holidays during the summer months.

Patrol Area

The patrol covers Lake Nagawicka, which is approximately 1,000 acres and located in the center of the city. The lake patrol provides service to the residents and visitors to the City of Delafield and is active in enforcing boating safety laws. Upon request, the lake patrol will provide free safety inspections of water craft. The lake patrol also assists with search and rescue operations when needed.

Boating Safety Course

The Lake Patrol encourages all who enjoy fishing, power boating, sailing, water skiing and canoeing to attend a Boating Safety Course. The Lake Patrol Officers hold classes each year in early spring. The courses are designed for children between the ages of 12-16 who want to operate a power boat in the State of Wisconsin. Parents are also encouraged to sit in on the classes. 

For more information on these classes or to sign up for an upcoming class, please contact the City of Delafield Police Department.

Safety Certificate

Upon passing the course, the children will receive a boating safety certificate which will allow them to operate a powerboat without parental supervision. 


The Lake Patrol requests all who use the lake to review the Department of Natural Resources Boating Safety Regulations, along with the City of Delafield Regulations, which are posted at the Bleeker Street and Nagawaukee Park boat launches. You may also stop by the City of Delafield Police Department to pick up a copy of these.