 Liberty Utilities (formerly United Water), a subsidiary of Algonquin Power & Utilities, a privately held company, treats potable water and operates the water distribution system in Pine Bluff (including Watson Chapel), as well as Hardin, Ladd, and White Hall.This partnership began in 1942 between the City of Pine Bluff and Arkansas Municipal Water Company, which has been acquired and merged to become Liberty Utilities.Water is pumped from 12 wells that pump from the Sparta Sand Aquifer to three water treatment plants capable of producing per day (total).