Municipal Sewer & Water Magazine - For Sanitary, Storm and Water System Maintenance Professionals. MSW serves municipal decision-makers, sewer and water directors, technicians and private water and wastewater contractors who install, inspect, maintain and rehabilitate sewer, water and stormwater infrastructures. Government/Municipal/POTW, Jetting/Cleaning/Hydroexcavation, Rehabilitation/Relining/Repair, TV Inspection Service, Industrial Vacuum Services