NAICS 221310 — WATER SUPPLY AND IRRIGATION SYSTEMS
Federal contract awards classified under NAICS code 221310 (WATER SUPPLY AND IRRIGATION SYSTEMS) cover 518 unique federal contracts (583 total action records) from USASpending.gov. The top contractors, awarding agencies, and geographic concentration below are aggregated from the highest-value awards in this market — the right view for sizing competition and identifying incumbents.
Top Contractors in NAICS 221310
Largest recipients of federal contract dollars in this NAICS code (ranked by total obligated value). These are the incumbent competitors to know if you sell into this market.
| Contractor | Awards | Total Obligated |
|---|---|---|
| AMERICAN WATER OPERATIONS AND MAINTENANCE, LLC | 9 | $1.7B |
| AMERICAN WATER MILITARY SERVICES, LLC | 2 | $222.0M |
| EMERALD COAST UTILITY SERVICES INC | 1 | $169.5M |
| AUGUSTA-RICHMOND COUNTY GOVERNMENT | 1 | $163.5M |
| FORT RILEY UTILITY SERVICES INC | 1 | $144.4M |
| OKLAHOMA CITY WATER UTILITIES TRUST | 1 | $134.5M |
| FLORIDA GOVERNMENTAL UTILITY AUTHORITY | 1 | $118.8M |
| BOARD OF WATER COMMISSIONERS OF COLUMBUS | 1 | $116.7M |
| FORT BLISS WATER SERVICES COMPANY | 1 | $111.5M |
| AMERICAN WATER ENTERPRISES, LLC | 2 | $110.7M |
Top Awarding Agencies
Federal agencies that obligate the most spending in NAICS 221310. Click any agency to see its full contract portfolio, top contractors, and sub-agencies.
| Agency | Awards | Total Obligated |
|---|---|---|
| Department of Defense | 110 | $3.6B |
| Department of Health and Human Services | 16 | $66.3M |
| National Aeronautics and Space Administration | 10 | $28.0M |
| Department of Veterans Affairs | 98 | $25.7M |
| Department of Justice | 66 | $22.1M |
| Department of the Interior | 54 | $9.1M |
| Department of Agriculture | 14 | $5.1M |
| Department of the Treasury | 12 | $2.9M |
| Department of Energy | 5 | $2.5M |
| National Archives and Records Administration | 8 | $2.4M |
Geographic Concentration
States where NAICS 221310 contract work is performed, ranked by total obligated value. Useful for sizing the local market and identifying state-level competitors.
| State | Awards | Total Obligated |
|---|---|---|
| TX | 25 | $544.5M |
| MD | 11 | $518.9M |
| LA | 9 | $350.9M |
| FL | 14 | $303.2M |
| VA | 20 | $293.4M |
| GA | 16 | $282.7M |
| KS | 9 | $146.1M |
| OK | 6 | $143.0M |
| WA | 6 | $119.6M |
| UT | 10 | $112.8M |
Most Recent Awards
RED LAKE BAND OF CHIPPEWA INDIANS
POTABLE WATER SERVICES
I-2-I SOLUTIONS, INC.
HINES RESPONSIBLE WATER OPERATOR ( BASE)
HERLONG PUBLIC UTILITY DISTRICT
FY26 DOMESTIC WATER SERVICE FEB AND MAR FY26 $25357.42 EACH
VIRGINIA WATER SYSTEMS, INC.
WATER SYSTEMS MAINTENANCE
VENERGY GROUP LLC
WATER CHEMICAL TESTING AND CONSULTATION SERVICES PERIOD OF PERFORMANCE 11/1/2025-12/31/2025
All Unique Contracts in NAICS 221310
Showing 518 unique contracts (one entry per PIID, deduped from modifications) sorted by total dollars obligated.
PEARL PURITY WATER SOLUTION LLC
NATIONAL PARK SERVICE - NATIONAL MALL AND MEMORIAL PARKS - LINCOLN MEMORIAL REFLECTING POOL WATER TREATMENT OPERATION
WASHINGTON SUBURBAN SANITARY COMMISSION
NEW WATER AND SEWER CONTRACT AT ARCHIVES II.
AMA DIVERSIFIED CONSTRUCTION GROUP
EO14042 CVD - OPERATIONS AND MAINTENANCE OF WATER/WASTEWATER TREATMENT
CITY OF FREEPORT
POTABLE WATER SERVICE AND EMERGENCY STAND-BY WATER SERVICE TO THE STRATEGIC PETROLEUM RESERVE (SPR) BRYAN MOUND SITE FOR A PERIOD NOT TO EXCEED TEN (10) YEARS FROM OCT 1, 2024 THROUGH SEPT 30, 2034.
COLUMBIANA COUNTY
PROVIDE WATER AND WASTEWATER TREATMENT UTILITY SERVICE TO FCI ELKTON, OH, FROM THE EFFECTIVE DATE OF AWARD THROUGH 120 MONTHS.
PUBLIC SERVICE COMMISSION OF YAZOO CITY
WATER AND SEWER UTILITY SERVICE FOR FCI YAZOO CITY OCT. 1, 2024 - OCT. 31, 2024 (CR) CONTRACT#15B31519D00000049 ESTABLISHED UTILITIES CONTRACT
HYDRO, INC.
CDC ATLANTA PURE WATER MAINTENANCE 2024-2029
CITY OF LAWRENCE
WATER AND SEWAGE SERVICE, HINU
CITY OF NEWPORT NEWS
NASA LANGLEY RESEARCH CENTER POTABLE WATER SERVICE WITH NEWPORT NEWS WATERWORKS.
NALCO WATER PRETREATMENT SOLUTIONS, LLC
BUFFALO AND BATAVIA VA MEDICAL CENTERS DOMESTIC WATER TREATMENT SERVICE PLAN
PRESTON COUNTY PUBLIC SERVICE DISTRICT NO4
FY25 - FCC HAZELTON WATER SERVICES AGAINST 5 YEAR CONTRACT OCTOBER FUNDING ONLY WHILE UNDER CR
CITY OF WELCH
CITY OF WELCH WATER AND SEWER FY 2025 PENDING FUNDS AVAILABILITY
ENVIROH20 LLC
REVERSE OSMOSIS SERVICES
CITY OF ALBANY
IGF::OT::IGF POTABLE WATER AND SEWAGE SERVICES AT THE NATIONAL ENERGY TECHNOLOGY LABORATORY SITE LOCATED IN ALBANY, OREGON
ANTELOPE VALLEY EAST KERN WATER AGENCY
BASE WATER CONTRACT
DOFINE SPRINKLER REBUILDERS INC
GAOA FLAMING GORGE NRA WATER SYS REPAIR ASHLEY NF
SEWERAGE & WATER BOARD OF NEW ORLEANS
PROVIDE WATER AND SEWER UTILITY SERVICE TO RRF VESSELS CAPE KENNEDY, CAPE KNOX AT POLAND ST.IGF::OT::IGF
COUNTY OF ERIE
WATER SEWER UTILITY
PHIGENICS LLC
POTABLE WATER ANALYTIC SERVICES, BILOXI, MS
CITY OF ALICEVILLE
FCI ALICEVILLE WATER AND WASTEWATER CONTRACT #15B31822D00000021
TAYLOR ENGINEERING, PLLC
WATER TREATMENT SERVICES - BASE YEAR
EVOQUA WATER TECHNOLOGIES LLC
WATER PURIFICATION SERVICES FOR DIALYSIS UNIT (BASE YEAR)
CITY OF EL RENO
PURCHASE ORDER FOR WATER SERVICE FOR FCI EL RENO FY 25 ACTUAL DUE DATE BASED ON UTILITY TARIFF DATE *PRIOR KNOWLEDGE OF THESE SERVICES ARE APPROVED AND JUSTIFIED BY CONTRACTING AND FACILITIES MANAGER*
AVIATE ENTERPRISES, INC.
STERILE WATER PROCESSING SERVICE SAN ANTONIO VAMC
PARAMOUNT CONSTRUCTION GROUP, LLC
POTABLE WATER MANAGEMENT SERVICES