NAICS Code for Water Treatment
The primary NAICS code for Water Treatment is 221310 — Water Supply and Irrigation Systems. Businesses classified under NAICS 221310 (Water Supply and Irrigation Systems) are involved 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. Typical activities include: Operating water treatment plants and/or operating water supply systems. Related codes include 312112 (Bottled Water Manufacturing), 449122 (Window Treatment Retailers), 483211 (Inland Water Freight Transportation).
Primary NAICS Code
221310Water Supply and Irrigation SystemsAlso commonly classified as:
221320Sewage Treatment Facilities237110Water and Sewer Line and Related Structures ConstructionAbout Water Treatment
Businesses classified under NAICS 221310 (Water Supply and Irrigation Systems) are involved 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.
Typical Business Activities
What's Included
- +Operating water treatment plants and/or operating water supply systems
How to Determine Your NAICS Code
While 221310 (Water Supply and Irrigation Systems) is the most common classification for water treatment, your specific code depends on your primary revenue-generating activity. Review the included and excluded activities above to confirm this code fits your business. If your operations span multiple categories, use the code that best represents your largest source of revenue. You can also use the search tool below to describe your specific business activities and find the most accurate match.
Related NAICS Codes
Businesses in water treatment may also fall under these codes:
Example Companies
Pentair
From residential and commercial water solutions to industrial water management and everything in between, Pentair is focused on smart, sustainable water solutions that help our planet and people thrive.
Twickenham, England, United Kingdom
Mueller Water
MUELLER WATER CONDITIONING, INC. is an utilities company based out of 1500 SHERWOOD FOREST, HOUSTON, Texas, United States.
Houston, Texas, United States
Al-Adimi Global
We retain a broad range of heavy equipment to efficiently deal with installation, maintenance and emergency repairs of water mains and sewers.
Sana'a, Amanat Al Asimah, Yemen
Suez company 2015
SUEZ supports local authorities and businesses with circular solutions in water and waste.
Castellane, Provence-Alpes-Côte D'Azur, France
Veolia Environnement
Veolia Environnement S. A., branded as Veolia, is a French transnational company with activities in three main service and utility areas traditionally managed by public authorities – water management, waste management and energy services.
Aubervilliers, Ile-de-France, France
Describe Your Business
Need a more specific NAICS code? Search by your business activity or company name: