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
American Water
In an effort to communicate these investments to customers, West Virginia American Water maintains an Infrastructure Upgrade Map – a user-friendly, easily accessible online map that allows customers to view details about water main replacement projects and other capital investments as they are under construction and completed.
Camden, New Jersey, United States
Veralto
Veralto is a global leader in essential technology solutions powered by purpose: Safeguarding the World’s Most Vital Resources.
Waltham, Massachusetts, United States
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
Describe Your Business
Need a more specific NAICS code? Search by your business activity or company name: