Mo. Rev. Stat. § 91.055
Other provisions of law to the contrary notwithstanding, in any first class county with a charter form of government and a population greater than six hundred thousand and less than nine hundred thousand persons, any person who, on June 29, 1999, is a water service customer of any municipality located in whole or in part in such county may continue to receive water service from such municipality even in the event that a public water supply district shall claim the exclusive right to provide water service to such person.
(L. 1999 H.B. 450)
Effective 6-29-99
*This section was enacted by both H.B. 450 and S.B. 160 & 82 during the 1st Regular Session of the 90th General Assembly, 1999. Due to possible conflict, both versions are printed here.