2002 NAICS Definitions
221310 Water Supply and Irrigation Systems
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.
| Go to: | No change 1997 to 2002 | 2002 NAICS to 1987 SIC | 1997 Economic Census | Bridge Between 1997 NAICS and SIC |
| 2002 NAICS | 1997 NAICS | 1987 SIC | Corresponding Index Entries |
|---|---|---|---|
| 221310 | 221310 | 4971 | Canal, irrigation |
| 221310 | 221310 | 4941 | Filtration plant, water |
| 221310 | 221310 | 4971 | Impounding reservoirs, irrigation |
| 221310 | 221310 | 4971 | Irrigation system operation |
| 221310 | 221310 | 4941 | Water distribution (except irrigation) |
| 221310 | 221310 | 4971 | Water distribution for irrigation |
| 221310 | 221310 | 4941 | Water filtration plant operation |
| 221310 | 221310 | 4941 | Water supply systems |
| 221310 | 221310 | 4941 | Water treatment and distribution |
| 221310 | 221310 | 4941 | Water treatment plants |
