Environmental Specialist I, II, III. Utilities. Are you a Current Polk County BoCC employee. Apply on PolkOne via the ME tab in Polk One. . Polk County Utilities provides safe drinking water, wastewater collection and treatment systems to nearly 68,000 accounts in unincorporated communities throughout the county. In some service areas, this division also provides reclaimed water. Polk's Utilities program. Produces and distributes 18.9 million gal...