Public Health Analytical Services

Northern Lake Service, Inc. (NLS) has been providing investigative and compliance testing services for local public health agencies for over 35 years.  Our record of data quality and customer service have made us the choice to over half of Wisconsin municipalities for their Safe Drinking Water Act (SDWA) Compliance needs.  NLS provides a wide range of analytical services from the very basic Coliform and Nitrate, to the very complex Ultra-low metals and organic testing.  We have certified drinking water operators who can provide sample collections and we also offer a varity of sample pickup and delivery service options.