PSC 185.85(4)(b) (b) A public utility shall submit to the commission a water loss control plan if a water audit shows the public utility has any of the following:

PSC 185.85(4)(b)1. 1. A percentage of non-revenue water that exceeds 30 percent.

PSC 185.85(4)(b)2. 2. A percentage of water loss that exceeds 15 percent for a Class AB or Class C utility or 25 percent for a Class D utility.

PSC 185.85(4)(c) (c) A water loss control plan under par. (b) shall include all of the following:

PSC 185.85(4)(c)1. 1. The reasons for the excessive non-revenue water or water loss.

PSC 185.85(4)(c)2. 2. A description of the measures that the utility plans to undertake to reduce water loss to acceptable levels within a reasonable time period.

PSC 185.85(4)(c)3. 3. An analysis of the costs of implementing a water loss control program, including a comparison of lost sales revenue and the costs that would be avoided by reducing leaks and losses.

PSC 185.85(4)(c)4. 4. Any additional information required by the commission.

PSC 185.85(4)(d) (d) The commission may require a public utility to conduct a leak detection survey of its distribution system if for three consecutive years the public utility’s percentage of water loss exceeds 15 percent for a Class AB or Class C utility or 25 percent for a Class D utility.

PSC 185.85 History History: CR 11-039: r. and recr. Register July 2012 No. 679, eff. 8-1-12.

PSC 185.86 PSC 185.86 Flushing mains.

PSC 185.86(1) (1) Dead-end mains, or other low flow portions of distribution systems, shall be flushed as needed to eliminate or minimize complaints from consumers arising from an objectionable condition of water due to lack of circulation. Hydrants or other flushing devices shall be placed to allow for flushing of the entire system.

PSC 185.86(2) (2) When practical, public notice of proposed flushing shall be given by radio, newspaper announcement, or other appropriate means.

PSC 185.86(3) (3) A record shall be kept of all flushing of mains, showing date, place, and estimated volume of water used. This record shall be used to determine the necessary frequency of flushing and to estimate unmetered use.

PSC 185.86 History History: Cr. Register, January, 1997, No. 493, eff. 2-1-97.

PSC 185.88 PSC 185.88 Frozen laterals.

PSC 185.88(1) (1) Thawing of a customer’s lateral shall be at the utility’s expense if:

PSC 185.88(1)(a) (a) The freeze-up is a direct result of a utility disconnect and the disconnection occurs during a time when conditions are such that freeze-up could reasonably be expected to occur or;

PSC 185.88(1)(b) (b) The customer’s portion of lateral is electrically conductive and:

PSC 185.88(1)(b)1. 1. It is the first thaw for the customer at the location and;

PSC 185.88(1)(b)2. 2. The utility has not provided the customer with seasonal notice of the corrective actions to be taken for a known condition.

PSC 185.88(2) (2) Lateral thawing shall be at the customer’s expense if:

PSC 185.88(2)(a) (a) The customer’s lateral is not electrically conductive and the freeze-up is not a direct result of a utility disconnect as set forth in sub. (1) (a) or;

PSC 185.88(2)(b) (b) The customer neglected to provide or maintain proper insulation or protection for the lateral according to standard accepted practice, or specific utility instructions on, for example, the required depth of burial needed to prevent freezing, or;

PSC 185.88(2)(c) (c) The utility advises the customer of the corrective measures to be taken and the customer does not follow the utility’s advice. (See s. PSC 185.35 (7) for bill adjustment where a utility requests a customer to let water flow to prevent freezing), or;

PSC 185.88(2)(d) (d) If the utility disconnects for a dangerous condition.

PSC 185.88 History History: Cr. Register, January, 1997, No. 493, eff. 2-1-97; CR 01-033: renum. from PSC 185.89 Register October 2001 No. 550, eff. 11-1-01; republished to reinsert inadvertently deleted (2) (c) Register March 2014 No. 699.

PSC 185.89 PSC 185.89 Adequacy of Water Supply, Emergency Operations and Interruptions of Service.

PSC 185.89(1) (1) Adequacy of water supply. A public utility shall exercise reasonable diligence to furnish a continuous and adequate supply of water to its customers.