Water - As enacted, clarifies that if a point-of-entry treatment device is installed in a facility solely to soften hard water and, because of the installation of such a device, the house, building, or complex of buildings meets the definition of a public water system under the Tennessee Safe Drinking Water Act of 1983, then the facility constitutes a consecutive system, and is required to monitor the influent and finished water for hardness, alkalinity, and pH on a quarterly basis, and sodium on an annual basis, and report the results to the department of environment and conservation within 15 days of the end of the reporting period. - Amends TCA Title 68. SB0258 has been assigned Public Chapter Number 233 by the Secretary of State.