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NAICS Code· 221310

Water Supply and Irrigation Systems

This industry comprises establishments primarily engaged in operating water treatment plants and/or operating water supply systems. The water supply system may include pumping stations, aqueducts, and/or distribution mains. The water may be used for drinking, irrigation, or other uses. Cross-References.Show more

NAICS 221310 – Water Supply and Irrigation Systems encompasses the design, construction, rehabilitation, and maintenance of infrastructure dedicated to potable water delivery, wastewater conveyance, stormwater management, and agricultural or landscape irrigation systems. This includes pipelines, pumping stations, reservoirs, treatment facilities, control valves, metering systems, and aquifer recharge structures.

37
Active Contracts
$102.3M
Total Obligations (12mo)
647
Awarded Contracts (12mo)
360
Contractors Awarded (12mo)
-66.6%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 221310.

AI Industry Description

NAICS 221310 – Water Supply and Irrigation Systems encompasses the design, construction, rehabilitation, and maintenance of infrastructure dedicated to potable water delivery, wastewater conveyance, stormwater management, and agricultural or landscape irrigation systems. This includes pipelines, pum...

NAICS 221310 – Water Supply and Irrigation Systems encompasses the design, construction, rehabilitation, and maintenance of infrastructure dedicated to potable water delivery, wastewater conveyance, stormwater management, and agricultural or landscape irrigation systems. This includes pipelines, pumping stations, reservoirs, treatment facilities, control valves, metering systems, and aquifer recharge structures. In the federal contracting landscape, this NAICS supports mission-critical water security, environmental compliance, and infrastructure resilience across remote installations, military bases, tribal lands, and federal facilities. Projects often require adherence to EPA standards, ANSI/NSF protocols, and sustainable water management practices, making technical expertise in hydraulic modeling, corrosion control, and green infrastructure essential for contractors. Top contractors in this sector include PHOENIX GENERAL CONTRACTORS, LLC, DAP CONSTRUCTION MANAGEMENT LLC, SAUVE CONSTRUCTION LLC, MAVERICK CONSTRUCTORS, LLC, and TECH O. R., LLC, representing a mix of small businesses and mid-sized primes with specialized capabilities in water system construction, pipeline rehabilitation, and irrigation design. These firms frequently compete for task orders under IDIQ contracts and often partner with engineering consultants to deliver full lifecycle solutions. Primary federal buyers include the Department of Defense, Department of the Interior, Department of Agriculture, Department of Homeland Security, Department of Veterans Affairs, and Department of Justice. Demand is driven by base modernization, wildfire mitigation, tribal water access initiatives, and compliance with federal environmental mandates. Agencies prioritize projects that enhance operational continuity, reduce water loss, and support ecological stewardship on federal lands. The competitive landscape is characterized by regional specialization and niche technical proficiency. Opportunities are concentrated in arid western states and military installations with aging infrastructure. Contractors with proven experience in USDA Rural Development programs, DoD Environmental Security Technology Certification Program (ESTCP) projects, and Bureau of Reclamation collaborations are well-positioned to capture sustained demand. Procurement trends favor integrated design-build delivery and performance-based contracting models.

Top Contractors

Companies with the highest total award value under NAICS 221310, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
SES ENERGY SERVICES LLC$9.5M1
AMERICAN WATER ENTERPRISES, LLC$8.3M1
FOREIGN UTILITY CONSOLIDATED REPORTING$6.7M2
CITY OF WILDWOOD CITY HALL$5.4M1
BAY STATE UTILITY SERVICES, LLC$5.3M2
PYEONGTAEK-SI WATER AND SEWAGE BUSINESS PLACE$3.7M14
EPIK-AQUASHINE JV LLC$3.1M1
CH2M HILL CONSTRUCTORS, INC.$2.9M7
CITY OF ALICEVILLE$1.9M1
EAST RANGE PARTNERS LLC$1.7M1

Top Agencies

Federal agencies directing the most contract spending toward NAICS 221310.

Department Of Defense155 awards$47.8M
Department Of Justice86 awards$18.3M
Department Of State139 awards$8.3M
Department Of Veterans Affairs86 awards$7.4M
Department Of The Interior67 awards$4.9M
Department Of The Treasury7 awards$2.2M
242-NETWORK Contract Office 02 (36C242)1 award$1.7M
Department Of Agriculture19 awards$1.5M
Nswc Indian Head Division1 award$1.4M
Department Of Health And Human Services17 awards$1.3M

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NAICS 221310 FAQ

Frequently Asked Questions

NAICS code 221310 covers Water Supply and Irrigation Systems. This industry comprises establishments primarily engaged in operating water treatment plants and/or operating water supply systems. The water supply system may include pumping stations, aqueducts, and/or distribution mains. The water may be used for drinking, irrigation, or other uses. Cross-References.

Recently Posted in Water Supply and Irrigation Systems

NAICS: 221310
New
Canada
SYDNEY WATER TREATMENT PLANT BACKWASH SYSTEM UPGRADEThe Cape Breton Regional Municipality is seeking proposals to supply and install two Variable Frequency Drives and two Pump Motors as part of the Sydney Water Treatment Plant Backwash System Upgrade, identified under solicitation number CBRM-P08-2026. This procurement is not subject to document acquisition fees and is posted on CanadaBuys, though all official tender documents and any amendments must be obtained through the Nova Scotia Procurement Portal to ensure access to the most current requirements. The solicitation was published on July 14, 2026, with submissions due by July 30, 2026, and is managed by the Municipal Purchasing office, reachable via purchasing@cbrm.ns.ca. The work is to be performed at the Sydney Water Treatment Plant, and bidders must confirm compliance with all technical, logistical, and timing specifications detailed in the official tender package. While the notice lists the agency as the Government of Canada, the contracting authority is the Cape Breton Regional Municipality, indicating a provincial or municipal initiative under federal platform reporting. There is no set-aside classification specified, and no NAICS code is provided. Third-party registration or fees may be required to access full documentation or submit responses, so prospective bidders are directed to the Nova Scotia Procurement Portal for complete instructions, timelines, and any supplementary requirements not captured in the CanadaBuys posting. All contract duration terms, performance conditions, and technical specifications are subject to the detailed tender documents available exclusively through the provincial portal.
Cape Breton Regional Municipality

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NAICS: 221310
New
SLED
754-ReverseOsmosisDeionizedWaterSystemsMaintenanceandServices2026Texas State University is seeking qualified vendors to provide maintenance and services for Reverse Osmosis and Deionized Water Systems across its facilities under Solicitation Number 754-ReverseOsmosisDeionizedWaterSystemsMaintenanceandServices2026. The solicitation outlines detailed requirements for comprehensive system upkeep, including routine inspections, component replacements, performance optimization, and emergency response to ensure uninterrupted delivery of high-purity water critical to university operations. Proposals must be submitted electronically through the TXST MarketPlace (Jaggaer) system by the deadline of August 10, 2026, at 4:00 PM Central Time, with no alternative submission methods accepted. The university intends to award a single contract to the most capable respondent based on technical competence, experience, pricing, and compliance with specified service standards. The project is managed by Texas State University’s Office of Procurement and Contract Services, with Daphne Helms identified as the primary point of contact for inquiries, reachable via email at d_h209@txstate.edu or phone at 512-245-5615. All services are expected to be performed onsite across various campuses and facilities within the state of Texas, with no set-aside provisions specified for small or disadvantaged businesses. The solicitation was posted on July 13, 2026, and interested vendors are encouraged to review all terms, conditions, and service expectations through the official TX SmartBuy portal link provided, ensuring full alignment with the university’s operational and compliance requirements before submission.
Texas State University

POSTED

1 day ago

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NAICS: 221310
Awarded
Federal
Reverse Osmosis Water Production Unit ServicesThe contract pertains to the ongoing operation, maintenance, and production of potable water through a Reverse Osmosis Water Production Unit deployed at Naval Station Guantanamo Bay, Cuba. The contractor is responsible for ensuring continuous, safe, and compliant water output by managing the specialized equipment, applying chemical treatments, and integrating the produced water into the installation’s utility grid. This service is critical for sustaining essential water needs at the facility under demanding environmental conditions. The work requires technical expertise in water purification systems and adherence to military and public health standards for potable water quality. The solicitation number is N69450-26-JA-0249, and the contract is administered by the Naval Facilities Engineering Systems Command Southeast, headquartered in Naval Air Station Jacksonville, Florida, under the Department of Defense. The primary point of contact is Jeffrey Rhein, with Reuben Amarh as the secondary contact, both reachable through official Navy email addresses. The performance location is exclusively at Guantanamo Bay, and the solicitation was posted on July 13, 2026. This acquisition is classified as a justification action with no set-aside designation, indicating it is being awarded without competitive solicitation based on specific operational or logistical requirements.
Navfacsyscom Southeast

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NAICS: 221310
New
Federal
Domestic Water Treatment Plant Repair at the New MThis solicitation, numbered 140R2026Q0103, is a sole-source Request for Quote issued to WesTech Engineering LLC for the repair of a domestic water treatment plant in Jamestown, California, due to the company’s proprietary software systems. The acquisition is conducted under commercial item procedures as outlined in Subpart 12.6 and is governed by the Federal Acquisition Circular 2026-01 effective as of March 13, 2026, with applicable provisions including 52.212-1, 52.212-2, and 52.212-4, which govern offeror instructions, evaluation, and standard commercial contract terms without addenda. The North American Industry Classification System code is 221310 with a size standard of $41 million, and the period of performance begins 28 days after order receipt. The Defense Priorities and Allocations System does not apply. Quotes must be submitted by July 27, 2026, at 11:00 AM Pacific Daylight Time to brenda_davis@ios.doi.gov, with Brenda Davis serving as the primary point of contact at (916) 202-2801 or via email. The solicitation was posted on July 13, 2026, and the work is to be performed at the Jamestown location with the contracting office based in Sacramento, California.
Mp-Regional Office

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1 day ago

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in 13 days
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NAICS: 221310
New
Federal
Reverse Osmosis system preventative maintenanceThe Department of Veterans Affairs through the 247-NETWORK Contract Office 7 is seeking sources for preventative maintenance services for a reverse osmosis system. The solicitation, identified by number 508-27-1-2043-0008, was posted on July 13, 2026, with responses due by July 17, 2026, at 2:00 PM Eastern Time. This is a sources sought notice with no set-aside designation, meaning all eligible businesses may respond regardless of size or status. The North American Industry Classification System code is 221310, indicating water supply and irrigation systems. The contract office is located in Augusta, Georgia, 30904, while the system requiring maintenance will be serviced at the facility in Decatur, Georgia, 30033. Primary point of contact for inquiries is Michael Barton, reachable at michael.barton@va.gov. All interested parties are directed to the SAM.gov portal for further details and submission instructions.
247-NETWORK Contract Office 7 (36C247)

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1 day ago

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NAICS: 221310
Awarded
Federal
S--CA-SAC RIV NWR-WATER DELIVERYThe contract titled CA-SAC RIV NWR-WATER DELIVERY is a awarded under solicitation number 140FS126P0190 and was posted on July 13, 2026. It falls under NAICS code 221310, indicating it relates to water supply and irrigation systems. The awarding agency is Sat Team 1 Fws within the Department of the Interior, with the office located in Falls Church, Virginia. Primary point of contact for the contract is Oscar Orozco, reachable via email at oscar_orozco@ios.doi.gov or by phone at 4242769541. The place of performance is not specifically defined in the provided details, leaving the geographic scope of work undefined. The contract type is listed as an award notice with no set-aside designation indicated, meaning it is open to all eligible contractors without preference for small businesses or specific socioeconomic categories. All correspondence and administrative details must be directed through the designated point of contact.
Sat Team 1 Fws

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NAICS: 221310
New
Federal
Deionization System with Recirculation and Monitoring SkidUT-Battelle, LLC, serving as the Management and Operations contractor for the Oak Ridge National Laboratory under the U.S. Department of Energy, is soliciting proposals for the design, fabrication, and delivery of a Deionization System with Recirculation and Monitoring Skid to be installed in Building 7920. This effort supports a DOE-funded project and is issued under solicitation number 478778 with a response deadline of July 21, 2026. The contract is structured as a Fixed-Price arrangement, with performance requirements governed by a detailed set of technical and compliance attachments including work control procedures, specific equipment datasheets for components such as the EH-Picomag electromagnetic flow meter, Grundfos SCALA2 pump, and Pentek Big Blue housings, and supplemental flowdown documents that mandate contractual clauses be passed through to subcontractors. The system must meet stringent technical specifications, regulatory standards, and safety protocols, including adherence to 10 CFR Part 851, DOE Order O 221.1B, and OSHA requirements, with all work conducted in strict compliance with federal acquisition regulations and DOE-specific acquisition regulations. Personnel involved in the project must hold current DOE security clearances for access to classified information or special nuclear material, undergo comprehensive background investigations including fingerprinting and urine analysis, and comply with medical surveillance and drug testing protocols. Physical access to the facility requires site badging, subject to vetting against terrorism watchlists and criminal records, and all subcontractors are bound by the same stringent security and personnel requirements. Deliverables are subject to inspection at the vendor’s premises prior to shipment, with final acceptance occurring at the DOE facility in Oak Ridge, Tennessee, and title transferring only upon formal acceptance. Invoicing must be submitted electronically through the Ariba Network, with payments processed via EFT within 30 days of receipt of a compliant invoice. The contract imposes full liability on the contractor for damages arising from noncompliance, including civil penalties up to $121,876 per day per violation under 10 CFR Part 851, and requires indemnification of the Government for any liabilities stemming from activities related to nuclear or classified materials. All technical data, proposal submissions, and proprietary information are subject to specific rights and restrictions outlined in Exhibits 9 and 17, ensuring that intellectual property protections are preserved in accordance with federal guidelines.
Ornl Ut-Battelle Llc-Doe Contractor

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NAICS: 221310
New
SLED
O'Byrnes Ferry Storage, LLC, Conditional Use Permit CUP14-005 and Zone Change RZ15-012O'Byrnes Ferry Storage, LLC is seeking approval to transition its existing potable water well from private use to a public water system, requiring a conditional use permit and a zone change to accommodate the new operational status. The project is under review by Tuolumne County in California, with key administrative oversight provided by Renee Hendry, the Environmental Coordinator, and Wendy Pierce, Senior Environmental Scientist with the State Water Board, who can be contacted regarding regulatory compliance and environmental impact. The application is part of a broader regulatory process to ensure the water system meets public health and safety standards, including infrastructure, water quality, and operational protocols mandated for public supply. The project’s status is currently forecasted, with no solicitation issued, and all official correspondence and documentation are accessible via the California Environmental Quality Act portal.
Tuolumne County

POSTED

1 day ago

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NAICS: 221310
Awarded
DIBBS
DISTILLED WATERThe Defense Logistics Agency has awarded a delivery order under contract SPE4AX16D9008 to ASRC FEDERAL FACILITIES LOGISTICS, identified by CAGE code 79343, for the procurement of distilled water with NSN 6810013276267. The total contract value is $140.42, with the award issued on July 11, 2026, under solicitation number SPE4A626FCPBL. The action is classified as a federal award with no set-aside designation, and the performance location is not specified beyond the country code US. The order is managed by the Department of Defense through the DLA, and the product being delivered is solely distilled water for a single line item. Access to the award details is available via the DIBBS portal using the provided UI link.
Defense Logistics Agency

POSTED

3 days ago

DEADLINE

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NAICS: 221310
New
Federal
355 CES Craycroft Overflow CulvertsThe solicitation for Concrete Culverts under contract title 355 CES Craycroft Overflow Culverts, identified by solicitation number FA487726QA143, is a Total Small Business Set-Aside as defined by FAR 19.5, with the NAICS code 221310 indicating the scope pertains to water and sewage system construction. The opportunity is issued by the Department of Defense through the 355 Cons Pk office located at Davis Mindan AFB, Arizona, with performance required in Tucson, Arizona. All inquiries must be submitted via email no later than July 14, 2026, at 12:00 PM MST, and quotes are due by July 17, 2026, at 12:00 PM MST, though the system records the official response deadline as 6:00 PM MST. Primary point of contact is Judah Morton, reachable at judah.morton@us.af.mil or (520) 228-6699, with Joshua Rodriguez serving as the secondary contact at joshua.rodriguez.30@us.af.mil or (520) 228-2213. Submission of quotes must be conducted via email, and the solicitation is accessible through the SAM.gov platform.
FA4877 355 Cons Pk

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5 days ago

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NAICS: 221310
New
SLED
Groundwater Replenishment Water SupplyThe contract secures 90,200 acre-feet of water to replenish groundwater basins in Los Angeles County, specifically to combat seawater intrusion and safeguard the region’s drinking water supply. This effort is critical for maintaining the long-term sustainability of local aquifers that serve as a primary source of potable water for residents and businesses. The water will be sourced and delivered under a subcontract arrangement managed by the Water Replenishment District of Southern California, with the project falling under the NAICS code 221310 for water treatment and supply. The initiative aligns with regional water security goals by restoring groundwater levels and mitigating the environmental and public health risks posed by saltwater contamination. The contract is publicly listed with a posting date of July 10, 2026, and is accessible through a designated project link, indicating transparency and administrative readiness for execution. Although specific details about contractors, funding sources, or delivery timelines are not provided, the scope underscores a collaborative, infrastructure-driven approach to water resource management. The placement of performance is within Los Angeles County, emphasizing local impact and accountability. This action reflects a proactive strategy to address declining groundwater levels exacerbated by overdraft and climate pressures, reinforcing the commitment of regional water authorities to resilient water supply systems.
Water Replenishment of Southern California

POSTED

5 days ago

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NAICS: 221310
New
DIBBS
WATER PURIFICATIONThe contract addresses the procurement of water purification units identified by NSN 4610015897514 and part number MIL-DEF-FGB, manufactured by Hydro-Photon Inc. Div SteriPen, under solicitation SPE8E8-26-T-4714. This is a simplified acquisition issued by the Defense Logistics Agency as a total small business set-aside under NAICS code 333924, with delivery required in 20 days to two locations: Camp Lejeune, North Carolina, and Camp Pendleton, California, each receiving 908 units. FOB origin terms apply, with inspection and acceptance occurring at the delivery points, and all items must comply with MIL-STD-2073-1E packaging standards and MIL-STD-129 marking requirements, including unit packaging in boxes with intermediate fiberboard containers, no preservation or cushioning materials, and no special marking. The contractor must adhere to DLA packaging requirements, use the fastest traceable shipping method, and avoid parcel post, aligning with DoD unit of issue specifications. The contract mandates compliance with numerous FAR and DFARS clauses, including those on small business representation, employment eligibility, combating human trafficking, sustainable products, hazardous material handling, and cybersecurity requirements under NIST SP 800-171, with deviations permitted for subcontracting and assessment rules. Payment is exclusively processed through WAWF, and the acquisition is structured as a potentially LPTA award with no trade-off evaluation indicated. All offers must be submitted electronically through DIBBS by July 20, 2026, and must include accurate socioeconomic certifications in accordance with 13 CFR Part 121, with adherence to the Berry Amendment and Buy American Act requirements. The contract includes strict compliance controls for technical specifications from the DLA Master List of Technical and Quality Requirements and requires representations regarding unique entity identifiers, CAGE codes, and supply chain transparency, particularly for covered defense telecommunications equipment.
Defense Logistics Agency

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5 days ago

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