Official definition
This Canadian industry comprises establishments primarily engaged in operating water collection, treatment and distribution systems for domestic and industrial needs.
Canadian industry
221310 Water supply and irrigation systems
Réseaux d'aqueduc et systèmes d'irrigation
Official classification fields for this page
Official classification fields taken from the current StatCan source bundle.
| Characteristic | Description |
|---|---|
| Official title | Water supply and irrigation systems |
| Classification | NAICS Canada 2022 Version 1.0 |
| Publishing authority | Statistics Canada |
| Hierarchical level | Canadian industry |
| Parent code | 22131 - Water supply and irrigation systems |
| International correspondence | H4930* |
| Source | https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index |
| Source verification | 2026-07-17 |
Canada-wide tax and filing context
Canada-wide business, tax, and filing context from the local country pack and tax pack.
| Characteristic | Description |
|---|---|
| Tax authority | Canada Revenue Agency (CRA) |
| Business identifier | Business Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax. |
| Filing requirements | Business Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34 |
| Sector authority | No cluster authority recorded in the local country pack. |
Examples
- irrigation system operation
- water collection, treatment and distribution systems
- water filtration plant operation
- filtration plant, water, municipal
- irrigation system operation
- municipal water system operation
- water board, local government
- water collection, treatment and distribution systems
- water cooperatives
- water distribution for irrigation
- water filtration plant operation
- water supply and irrigation systems
- water supply pipelines, long distance
- water supply systems, operation
Who is this code for
This code typically applies to:
Also relevant for
irrigation system operationwater collection, treatment and distribution systemswater filtration plant operationfiltration plant, water, municipalmunicipal water system operation
Source: STATCAN_TITLE, 2026-07-17
Classification Confidence Score
5 of 6 factors passing
8/ 10
Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-07-17)
International crosswalk — ISIC Rev. 4 mapping: H4930*
Previous edition migration — NAICS 2017 to 2022 continuity confirmed
Complete hierarchy — 5 levels confirmed in hierarchy
Size or threshold documented — SME thresholds documented in federal tax pack
Trade or export match — No direct HS code correspondence in current bundle
Legacy crosswalk — Legacy system (SIC 1980) retired in this region
Business Profiles
When you might need code 221310
These role examples come from the official title and example wording attached to this code.
01
221310
Water supply and irrigation systems
Use this page when the business is directly described by the official title or definition for 221310 Water supply and irrigation systems. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.
02
221310
irrigation system operation
Use this page when the activity is described in the official StatCan example wording as irrigation system operation. Compare the definition, exclusions, and nearby codes here before attaching 221310 Water supply and irrigation systems to a business file.
03
221310
water collection, treatment and distribution systems
Use this page when the activity is described in the official StatCan example wording as water collection, treatment and distribution systems. Compare the definition, exclusions, and nearby codes here before attaching 221310 Water supply and irrigation systems to a business file.
04
221310
water filtration plant operation
Use this page when the activity is described in the official StatCan example wording as water filtration plant operation. Compare the definition, exclusions, and nearby codes here before attaching 221310 Water supply and irrigation systems to a business file.
Business categories in this branch
A rotating set of business activity examples linked to this part of the Canadian hierarchy.
In this section
- 221310Water supply and irrigation systems
ISIC Rev. 4 correspondence
H4930*Transport via pipeline
Approximate correspondence
Water supply pipelines, long distance
US NAICS reference221310 - Water Supply and Irrigation Systems
Source row
221310Water supply and irrigation systems
This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.
Frequently asked questions
What does code 221310 cover?
Water supply and irrigation systems: This Canadian industry comprises establishments primarily engaged in operating water collection, treatment and distribution systems for domestic and industrial needs.
Which level of the hierarchy is 221310?
It is a canadian industry page in the NAICS Canada 2026 hierarchy.
What is the parent of 221310?
It rolls up to 22131 Water supply and irrigation systems.
Should I stop at 221310 or go lower?
This page already points to the exact six-digit Canadian industry in the current site structure.
Are official inclusion notes attached to 221310?
No inclusion rows are attached to this page in the local elements file.
Are there exclusion notes for 221310?
No exclusion rows are attached to this page in the local elements file.
Does 221310 include illustrative examples?
Yes. 14 example row(s) are available for boundary checking.
What kinds of businesses often start from this page?
Examples in this branch include Gas supply, Water systems, Power distribution, Utility maintenance, Wastewater networks.
Is there an ISIC mapping for 221310?
Yes. The page shows H4930* Transport via pipeline.
Does this page show a US NAICS reference?
Yes. A same-code US reference is attached: Water Supply and Irrigation Systems.
Why are both English and French titles shown?
NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.
Where does the page text come from?
From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.