Iowa Administrative Code Title 701 — Department of Revenue
Iowa Admin. Code r. 701—215.6(423) — Sale of electricity to water companies
The sales price from the sale of electricity to water companies assessed for property tax pursuant to Iowa Code sections 428.24, 428.26, and 428.28, that is used solely for the purpose of pumping water from a river or well is exempt from sales tax. For the purposes of this rule, “river” means a natural body of water or waterway that is commonly known as a river. “Well,” for the purposes of this rule, means an issue of water from the earth; a mineral spring; a pit or hole sunk into the earth to reach a water supply; a shaft or hole sunk to obtain water.
Source: official text