Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, July 22 at 2:00 PM EDT

Register Free →
← Back to NAICS Codes
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

Contract Opportunities

Active solicitations and awarded contracts classified under NAICS 221310Water Supply and Irrigation Systems.

Dotted
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

POSTED

about 20 hours ago

DEADLINE

in 16 days
View Details
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

DEADLINE

in 27 days
View Details
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

POSTED

1 day ago

DEADLINE

N/A
View Details
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

POSTED

1 day ago

DEADLINE

in 7 days
View Details
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

DEADLINE

N/A
View Details
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

POSTED

5 days ago

DEADLINE

in 6 days
View Details

Win Contracts in Water Supply and Irrigation Systems

Get AI-powered intelligence on NAICS 221310 procurement

Real-time contract opportunities for NAICS 221310 (Water Supply and Irrigation Systems)

AI-powered matching based on your business capabilities and past performance

Competitive analysis of contractors winning awards in this industry

Automated alerts when new opportunities are posted

Miguel
Hillary
Keith Deutsch
Christine

Join 650+ contractors already using CLEATUS