AN ACT TO ENACT THE WASTEWATER TREATMENT SYSTEM INFRASTRUCTURE SUSTAINABILITY ACT; TO ESTABLISH AN ACCOUNTABILITY PROCESS TO SUPPORT COMMUNITY PUBLIC WASTEWATER SYSTEM INFRASTRUCTURE SUSTAINABILITY, PROMOTE THE PROTECTION OF MISSISSIPPI CITIZENS FROM ENVIRONMENTAL HAZARDS AND DEFICIENT WASTEWATER SERVICE, AND CREATE A TRANSPARENT PROCESS THAT PRODUCES CLEAR STANDARDS AND EXPECTATIONS FOR COMMUNITY PUBLIC WASTEWATER SYSTEMS; TO DIRECT THE MISSISSIPPI DEPARTMENT OF ENVIRONMENTAL QUALITY TO CREATE AND ADMINISTER A STATEWIDE FRAMEWORK FOR ACCOUNTABILITY FOR COMMUNITY PUBLIC WASTEWATER SYSTEMS THAT INCLUDES A LETTER GRADE SCHEDULE BASED ON CERTAIN CRITERIA; TO REQUIRE THE DEPARTMENT TO PROMULGATE RULES AND REGULATIONS TO ESTABLISH AND IMPLEMENT THE COMMUNITY PUBLIC WATER SYSTEM LETTER GRADE SCHEDULE; TO REQUIRE THE DEPARTMENT TO PUBLISH AN ANNUAL REPORT ON ITS WEBSITE CONTAINING THE ASSESSMENT, SCORES AND LETTER GRADE FOR EACH COMMUNITY PUBLIC WATER SYSTEM, AND TO REQUIRE EACH COMMUNITY PUBLIC WATER SYSTEM TO PROVIDE NOTIFICATION TO ITS CUSTOMERS OF THE BOARD'S PUBLISHED SCORE AND LETTER GRADE WITHIN 30 DAYS FOLLOWING PUBLICATION; AND FOR RELATED PURPOSES.