NAICS 221320 — SEWAGE TREATMENT FACILITIES
Federal contract awards classified under NAICS code 221320 (SEWAGE TREATMENT FACILITIES) cover 132 unique federal contracts (145 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 221320
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 MILITARY SERVICES, LLC | 2 | $249.5M |
| CITY OF ABERDEEN | 1 | $195.8M |
| OLD DOMINION UTILITY SERVICES, INC. | 1 | $185.8M |
| HARNETT, COUNTY OF NORTH CAROLINA | 1 | $80.1M |
| VEOLIA WATER WEST OPERATING SERVICES INC | 1 | $75.5M |
| AMERICAN STATES UTILITY SERVICES INC | 1 | $24.0M |
| SAN ANTONIO RIVER AUTHORITY | 1 | $18.5M |
| BAIRCO CONSTRUCTION INC | 1 | $9.9M |
| P D R PROPERTIES, INC. | 1 | $9.8M |
| KENT COUNTY GOVERNMENT | 1 | $8.5M |
Top Awarding Agencies
Federal agencies that obligate the most spending in NAICS 221320. Click any agency to see its full contract portfolio, top contractors, and sub-agencies.
| Agency | Awards | Total Obligated |
|---|---|---|
| Department of Defense | 49 | $801.5M |
| Department of State | 11 | $75.9M |
| Department of Justice | 44 | $12.7M |
| Department of the Interior | 8 | $10.5M |
| Department of Agriculture | 4 | $2.0M |
| Department of Homeland Security | 5 | $1.7M |
| Department of the Treasury | 5 | $914,330.95 |
| Smithsonian Institution | 1 | $531,710.54 |
| Department of Energy | 2 | $60,560 |
| Department of Health and Human Services | 1 | $56,000 |
Geographic Concentration
States where NAICS 221320 contract work is performed, ranked by total obligated value. Useful for sizing the local market and identifying state-level competitors.
| State | Awards | Total Obligated |
|---|---|---|
| MD | 3 | $220.3M |
| VA | 5 | $186.9M |
| NY | 2 | $163.4M |
| NC | 5 | $86.8M |
| FL | 3 | $86.8M |
| CA | 13 | $80.6M |
| TX | 2 | $18.6M |
| KY | 9 | $10.4M |
| MT | 1 | $9.9M |
| DE | 1 | $8.5M |
Most Recent Awards
HERLONG PUBLIC UTILITY DISTRICT
FY 26 - WASTE WATER SERVICE FEB AND MARCH FY26 $67101.93 EACH
STAT WASTE STREAM SERVICES INC
MAINTENANCE PROGRAM AND TESTING FOR ON-SITE WATER TREATMENT SYSTEMS
A&G SEPTIC AND GREASE LLC
FCI MIAMI EMERGENCY SEWER-LIFT STATION REPAIR 26Z3AS4
ILLINOIS-AMERICAN WATER COMPANY
FY26 P4 IL AMERICAN WATER UTILITY QTR 2 RP# 26-0068
ALLEGHENY SITE MANAGEMENT, INC
ALF NORTH CENTRAL LAGOON WASTEWATER PLANT OPERATION.
All Unique Contracts in NAICS 221320
Showing 132 unique contracts (one entry per PIID, deduped from modifications) sorted by total dollars obligated.
FREMONT SANITATION DISTRICT
FY26 P4 FREMONT SANITATION SEWER NOV 25
FREMONT SANITATION DISTRICT
FY25 P4 FREMONT SANITATION SEWER SEP 25 SEPTEMBER 1, 2025 THROUGH SEPTEMBER 30, 2025
FREMONT SANITATION DISTRICT
FY26 P4 FREMONT SANITATION SEWER OCT 25
DC WATER & SEWER AUTHORITY
FY 26 ORDERING PERIOD 2 FOR THREE (3) QUARTERS (CY 25 QUARTER 4 AND CY 26 QUARTERS 1-2) OF WATER USAGE FEE, ANNUAL COMPLIANCE FEE, AND WATER PERMIT FOR THE DISTRICT CURRENCY FACILITY (DCF).
CITY OF MINNEAPOLIS
UPPER AND LOWER ST. ANTHONY FALLS LOCK & DAM, LOCK & DAM 1 WATER/SEWER/STORM WATER RUN-OFF UTILITY SERVICE CONTRACT
NCH CORPORATION
FY26 FURNISH, INSTALL AND MAINTAIN SEWAGE MICROBE SYSTEMS
STEVES SEPTIC SERVICE, LLC
FP-KING RANGE VAULT TOILETS BASE PLUS 4 OYS
HERLONG PUBLIC UTILITY DISTRICT
WATER AND SEWER SERVICES 10 YEAR CONTRACT.
FREMONT SANITATION DISTRICT
FY26 P4 FREMONT SANITATION SEWER JAN 26
LOS ANGELES DEPARTMENT OF WATER & POWER
IGF::OT::IGF THE PURPOSE OF THIS REQUISTION IS TO PROVIDE FUNDING TO THE CITY OF LOS ANGELES, CA. FOR PROVIDING SEWAGE SERVICES TO THE CAPE INSCRIPTION AND CAPE ISABEL IN THE AMOUNT OF $2,000.00.
JWC ENVIRONMENTAL INC.
SEWAGE GRINDER EMERGENCY 26Z1AP6
NC WATER & FIRE RESTORATION INC
EMERGENCY SEWAGE LEAK REPAIR AND WATER MITIGATION
ILLINOIS-AMERICAN WATER COMPANY
FY26 P4 IL AMERICAN WATER UTILITY QTR 2 RP# 26-0068
MISCELLANEOUS FOREIGN AWARDEES
LAG-FAC-RENEW REFUSE SERVICE CONTACT ICASS
STAT WASTE STREAM SERVICES INC
MAINTENANCE PROGRAM AND TESTING FOR ON-SITE WATER TREATMENT SYSTEMS
MANCHESTER, CITY OF
FY26 WASTE WATER SEWER 2ND QTR FY26.
CHUBU KAMIKITA SEISO CO., LTD.
SEWAGE PUMP AND TRANSPORTATION SERVICE, MISAWA AIR BASE, JAPAN
ADS LLC
---------- COMMENTS: 1900-2025--19___510690000-3093-IBWC-309332-3732--2589---------- THE USIBWC'S SDFO MONITORS WASTEWATER FLOWS TO THE SAN ANTONIO DE LOS BUENOS WASTEWATER TREATMENT PLANT (SAB) IN TIJUANA, MEXICO. THE FACILITY IS CURRENTLY EQUIPPED
LOOP INC.
COLLECTION AND TRANSPORTATION SERVICE OF NON-WATERBORNE SEWAGE (NWS), MISAWA AIR BASE, JAPAN
MISCELLANEOUS FOREIGN AWARDEES
LAG_RENEW SEWAGE EVACUATION SERVICE CONTRACT - ICASS
DC WATER & SEWER AUTHORITY
DC FACILITY STORMWATER FEES FY26
BOBBY MEEKS ENVIRONMENTAL SERVICES, L.L.C
FOOD SERVICE GREASE DISPOSAL FY26
CITY & COUNTY OF DENVER
INDUSTRIAL WASTEWATER DISPOSAL CHARGES(S)
PARADIGM MARINE, LLC
SEWAGE OFF LOAD SERVICES FOR COAST GUARD VESSELS
BOZEMAN INC
RCF SEWAGE TREATMENT PLANT OPERATIONS