Water Supply and Irrigation Systems — NAICS 221310
Browse federal contract opportunities classified under NAICS code 221310 (Water Supply and Irrigation Systems). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 221310
Water Supply and Irrigation Systems. This industry falls under the Utilities sector (NAICS codes beginning with 22).
Federal agencies use NAICS code 221310 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the water supply and irrigation systems space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 221310 in Federal Contracting
To compete for federal contracts under NAICS 221310, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for water supply and irrigation systems work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 221310. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 221310 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the water supply and irrigation systems market has seen 5,089 contract awards totaling $1.8B in value. The median contract size is $35K, with approximately 141 new awards per month.
Total Awards (3yr)
5,089
Total Value
$1.8B
Median Contract
$35K
Competitors
946
Contract value distribution
1,392 small business awards ($278.0M total value,$27K median)
946 companies compete for NAICS 221310 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 221310 (Water Supply and Irrigation Systems), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 221310.
Recent NAICS 221310 Opportunities
View all →The Department of Energy is contracting for water treatment chemicals and related services to support operational needs at its facilities, requiring reliable supply, proper handling, and compliance with environmental and safety standards.
The Department of Veterans Affairs is procuring a reverse osmosis water system to ensure safe drinking water at VA facilities, requiring a fully integrated system capable of continuous operation, compliance with EPA and state water quality standards, and installation with minimal disruption to clinical operations.
The Department of the Interior is procuring cyclic inspection and cleaning services for water reservoirs at the Blue Ridge Parkway in Asheville, NC. This opportunity is set aside for small businesses and involves maintaining water supply facilities and irrigation systems.
Frequently Asked Questions
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Set up your profile with your NAICS codes and certifications, and FedOverwatch will automatically match you with relevant water supply and irrigation systems opportunities as they're posted on SAM.gov.