Local government: water and sewer; municipality billing requirements for water or sewerage service; provide for, require municipalities to adopt a written dispute resolution process for disputed water or sewerage service bills, and require municipalities to monitor for customer water leaks. Amends title & sec. 6 of 1939 PA 178 (MCL 123.166 ) & adds secs. 1a, 1b, 1c, 1d & 1e.