Industries › NAICS 221310
Industry · NAICS 221310 · sector 22 Utilities
Water Supply and Irrigation Systems
Federal contract obligations classified under NAICS 221310, the organisations that win them and the agencies that award them.
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026.
Federal agencies obligated $528M in contracts classified under NAICS 221310, Water Supply and Irrigation Systems, in FY2026, and $2.5B over the five fiscal years since FY2023; the industry ranks 124 of 526 on this site.
Obligations were down 29% on FY2025 ($744M), with $0 so far in FY2027.
The largest recipient organisations over FY2022–FY2025 were American Water Operations and Maintenance, LLC ($539M), American Water Military Services, LLC ($169M) and Old North Utility Services, Inc. ($143M).
By place of performance, the most money went to TX, NC and CA.
Contract obligations by fiscal year
Compared with the largest industry FY2026
| Measure | This industry | Aircraft Manufacturing | All contracts |
|---|---|---|---|
| Contract obligations, FY2026 | $528M | $45B | $716B |
| Five-year total | $2.5B | $211B | $3.0T |
| Share of all contract obligations, five years | 0.1% | 7.1% | 100% |
Top contractors obligations, FY2022–FY2025
$6.9M among the top 40 went to recipients not shown.
Buying agencies $1.0M+ awards
Where the work is performed
Largest awards since FY2023
| Recipient | Awarding agency | Type | Award value | Begun | Place | Record |
|---|---|---|---|---|---|---|
| Ahtna USA-CDM JV | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $49M | 9 Nov 2024 | NC | USAspending |
| Bering-Weston JV, LLC | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $31M | 11 Dec 2024 | NC | USAspending |
| CH2M Hill Constructors, Inc. | Department of DefenseDepartment of the Army | ContractDelivery Order | $25M | 26 Mar 2025 | CA | USAspending |
| Schutt Industries of Clintonville, Wis., Inc. | Department of DefenseDepartment of the Army | ContractDelivery Order | $20M | 15 Apr 2026 | WI | USAspending |
| American Water Enterprises, LLC | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $13M | 25 Sep 2025 | OK | USAspending |
| Foreign Utility Consolidated Reporting | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $11M | 1 Oct 2025 | — | USAspending |
| CH2M Hill Constructors, Inc. | Department of DefenseDepartment of the Army | ContractDelivery Order | $11M | 30 Mar 2023 | CA | USAspending |
| CH2M Hill Constructors, Inc. | Department of DefenseDepartment of the Army | ContractDelivery Order | $11M | 26 Mar 2024 | CA | USAspending |
| Foreign Utility Consolidated Reporting | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $11M | 1 Oct 2024 | — | USAspending |
| Augusta-Richmond County Government | Department of DefenseDepartment of the Army | ContractDefinitive Contract | $11M | 31 Jan 2023 | GA | USAspending |
Other industries in sector 22: Utilities
- 221122 Electric Power Distribution $4.0B
- 221210 Natural Gas Distribution $1.2B
- 221112 Fossil Fuel Electric Power Generation $1.2B
- 221118 Other Electric Power Generation $842M
- 221320 Sewage Treatment Facilities $839M
- 221113 Nuclear Electric Power Generation $335M
- 221330 Steam and Air-Conditioning Supply $179M
- 221121 Electric Bulk Power Transmission and Control $140M
- 221114 Solar Electric Power Generation $58M
Questions and answers
How much does the federal government spend on NAICS 221310?
$528M in contract obligations classified under Water Supply and Irrigation Systems in FY2026, $2.5B over the five fiscal years since FY2023. Obligations are commitments, not payments.
Who are the top contractors in Water Supply and Irrigation Systems?
American Water Operations and Maintenance, LLC ($539M), American Water Military Services, LLC ($169M), Old North Utility Services, Inc. ($143M), CH2M Hill Constructors, Inc. ($127M), Oklahoma City Water Utilities Trust ($104M), by contract obligations over FY2022–FY2025.
Which agencies buy in this industry?
By the value of $1.0M-plus contracts since FY2023: Department of Defense ($385M), Department of Justice ($31M), Department of Veterans Affairs ($22M), Department of State ($15M), Department of the Interior ($13M).
What is a NAICS code?
In USAspending's words: "NAICS stands for the North American Industrial Classification System. This 6-digit code tells you what industry the work falls into. Each contract record has a NAICS code." Assistance awards (grants, loans, direct payments) carry no NAICS code and are not counted here.
Provenance
Source: USAspending.gov API v2, spending by category (NAICS) by fiscal year, recipient cross-tabulation for FY2022–FY2025 and award search, loaded 30 Sep 2026. State figures come from each state's top-100 NAICS list, so small amounts in a state may be missing. See methodology.