Only exchange tanks, such as from Culligan or Rayne, are permitted for Commercial customers. Effective January 1, 2022, no person shall replace or install any water softening or conditiioning equipment that discharges waste into the city sewage system, unless said water softening or conditioning equipment is a high efficiency system, with diagnostic functions, operating at an efficiency rating of not less than 4,000 grains of hardness removed per pound of salt used in regeneration. Residential and Non-Residential portable exchange tank water softening or conditioning system that do not discharge waste are not prohibited.
City of Solvang Municipal Code