NAICS codes / NAICS 221310
Water Supply and Irrigation Systems: $755M in federal contracts in FY2025
The federal government obligated $755M under NAICS 221310 in FY2025, the 104th most of any code. Here is who bought it and how much of it was reserved for small business, then what GovSmith does with the code for a client.
Sector 22: Utilities / Industry group 2213: Water, Sewage and Other Systems
- Federal contract dollars
- $755M
Source: USAspending.gov, FY2025 contract obligations under the code, read 2026-11-05.
- Share of all federal contract dollars
- 0.1%
Source: USAspending.gov, FY2025 the code over all codes with positive obligations, read 2026-11-05.
- Small-business set-asides
- $30M
Source: USAspending.gov, FY2025 contract obligations under a small-business set-aside, read 2026-11-05.
- Set-aside share
- 4%
Source: USAspending.gov, FY2025 set-aside obligations over the code's obligations, read 2026-11-05.
Who buys under 221310
The five agencies that obligated the most under this code in FY2025. The top one alone put $646M into it.
| Agency | FY2025 | Share |
|---|---|---|
| $646M | 85.7% | |
| $23.2M | 3.1% | |
| $22.6M | 3% | |
| $19.1M | 2.5% | |
| $17.4M | 2.3% |
Source: USAspending.gov, FY2025 contract obligations by awarding agency under the code, read 2026-11-05.
Who counts as small under 221310
SBA sets a size standard for every NAICS code: the largest a company can be and still count as small under that code.
The standard for this code is in SBA’s table at sba.gov, in receipts or in employees depending on the industry. GovSmith checks your company against it before it pursues any set-aside under this code.
The codes next to it
The other industries in group 2213, Water, Sewage and Other Systems. Buyers often file similar work under a neighbor.
What GovSmith does with this
GovSmith finds the opportunities under 221310 for you
Every solicitation, sources-sought notice, forecast row and recompete signal that carries NAICS 221310 lands in GovSmith's Search the night it posts, with the agency, the value and the set-aside on it. GovSmith AI matches it to your profile, your vCM qualifies it, and you see the shortlist. If this code is yours, the money above is your market.