Great Lakes TV Seal, Inc. inspects, cleans and repairs underground pipelines for municipalities and industrial applications in Wisconsin and the Upper Midwest. GLTV is the leader in no-dig pipeline repair and rehabilitation in Wisconsin. From the preliminary inspection of underground sewers, to tren...

Pipeline CleaningRegular cleaning is an integral part of pipeline maintenance. Systems that aren't cleaned can lead to sewer backups, equipment malfunctions, plant shutdowns, or worse. Properly cleaned and maintained systems will ensure operation at full capacity, increase holding time of lift stati...

Great Lakes TV Seal, Inc. inspects, cleans and repairs underground pipelines for municipalities and industrial applications in Wisconsin and the Upper Midwest. GLTV is the leader in no-dig pipeline repair and rehabilitation in Wisconsin. From the preliminary inspection of underground sewers, to tren...

Pipeline Inspection and TestingInspecting pipelines is the first line of defense for a properly maintained system, and verifies work done by other contractors. Testing pipelines ensures that your system will work in the way you need it.InspectionRemotely operated video cameras provide accurate pictu...

Manhole RehabilitationOld age and microbial induced corrosion reek havoc on manholes, creating everything from minor leaks to a major failure. Fortunately, Great Lakes TV Seal is able to save you money and headaches with rehabilitation of manholes. Our targeted systems will provide the best fix for ...