Water Supply & Irrigation Systems
Key Figures
Figures are published for NAICS 221310 directly.
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Official definition
This industry comprises establishments primarily engaged in operating water treatment plants and/or operating water supply systems. The water supply system may include pumping stations, aqueducts, and/or distribution mains. The water may be used for drinking, irrigation, or other uses.
Source: US Census Bureau, 2017 NAICS Definitions. Public domain.
Which code does this activity belong in?
Water supply and irrigation systems establishments operate water treatment plants and distribution infrastructure including pumping stations, aqueducts, and mains to deliver water for drinking, irrigation, or other purposes. The boundary with sewage treatment facilities is clear: water supply systems deliver potable or irrigation water to users, while sewage treatment facilities handle wastewater removal and treatment. Steam and air-conditioning supply establishments distribute thermal energy rather than water for consumption or irrigation.