AN ACT to amend Tennessee Code Annotated, Title 68, Chapter 221, Part 7, relative to hardwater standards.

As introduced, establishes that public water systems have a maximum allowable hardwater level of 180 mg/L, measured as calcium carbonate equivalents; creates compliance and reporting requirements; exempts measurements that exceed the limit due to seasonal runoff in certain circumstances. - Amends TCA Title 68, Chapter 221, Part 7.