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NAICS Code· 562991

Septic Tank and Related Services

This U.S. industry comprises establishments primarily engaged in (1) pumping (i.e., cleaning) septic tanks and cesspools and/or (2) renting and/or servicing portable toilets. Cross-References. Establishments primarily engaged in--Show more

NAICS 562991 – Septic Tank and Related Services encompasses the installation, maintenance, pumping, inspection, repair, and disposal of on-site wastewater systems, including septic tanks, drainfields, leach lines, and associated components such as grease traps and pump stations. This sector supports critical sanitation infrastructure for federal installations lacking centralized sewer access, particularly in remote, rural, or temporary operational environments.

94
Active Contracts
$88.7M
Total Obligations (12mo)
1.5K
Awarded Contracts (12mo)
493
Contractors Awarded (12mo)
-46.7%
YoY Growth

Industry Spending Overview

Federal obligations, top contractors and agencies, and related industry codes for NAICS 562991.

AI Industry Description

NAICS 562991 – Septic Tank and Related Services encompasses the installation, maintenance, pumping, inspection, repair, and disposal of on-site wastewater systems, including septic tanks, drainfields, leach lines, and associated components such as grease traps and pump stations. This sector supports...

NAICS 562991 – Septic Tank and Related Services encompasses the installation, maintenance, pumping, inspection, repair, and disposal of on-site wastewater systems, including septic tanks, drainfields, leach lines, and associated components such as grease traps and pump stations. This sector supports critical sanitation infrastructure for federal installations lacking centralized sewer access, particularly in remote, rural, or temporary operational environments. Services under this code are essential for compliance with environmental regulations, public health standards, and facility operational continuity across DoD bases, VA medical campuses, and USDA or DOI field sites. The work often requires specialized permits, soil testing, hydraulic modeling, and adherence to EPA and state-specific wastewater codes, making technical expertise and regulatory compliance central to contract performance. Top contractors in this sector include ROCKWELL AMERICAN SERVICES, LTD., SUNTIFF, LLC, BPM SERVICES INC, MST MARITIME MANAGEMENT LLC, and STORM SERVICES, LLC. These firms range from small businesses with niche environmental remediation capabilities to mid-sized primes with nationwide service networks. Many specialize in mobile pumping units, automated monitoring systems, and rapid-response maintenance contracts, serving both permanent installations and expeditionary operations. Key government buyers include the Department of Defense, particularly through Naval Air Warfare Center and Naval Special Warfare Command, as well as the Department of Homeland Security, Department of the Interior, Department of Agriculture, Department of State, and Department of Veterans Affairs. Demand is driven by the need to maintain sanitation in isolated barracks, research outposts, border patrol stations, and veteran housing facilities where municipal infrastructure is unavailable. The competitive landscape is characterized by localized service dominance and high barriers to entry due to licensing, equipment costs, and environmental compliance requirements. Opportunities are concentrated in regions with high concentrations of federal installations and limited sewer access, particularly in the Southeast, Alaska, and rural Western states. Contractors with proven experience in federal environmental permitting and rapid deployment logistics are best positioned to compete.

Top Contractors

Companies with the highest total award value under NAICS 562991, ranked by dollars won.

Ranked by total awards
CompanyTotal AwardsContracts
Forever Clean Portable Toilets Inc. Fuquay Varina NC 27526 USA$7.8M1
CRITICAL CONTINGENCY SOLUTIONS LLC$7.5M2
MAJOR CONTRACTING SERVICES, INC.$5.2M43
AMERIVET CONTRACTING$3.5M25
RONJON RENTALS INC$2.6M94
SKOOKUM EDUCATIONAL PROGRAMS$2.5M73
WRUCK SEWER AND PORTABLE RENTAL L. L. C.$2.0M1
SUNTIFF, LLC$1.9M31
RONJON RENTALS VANTEX SERVICE JOINT VENTURE$1.9M37
KRÄTZ GMBH$1.8M19

Top Agencies

Federal agencies directing the most contract spending toward NAICS 562991.

Department Of Defense722 awards$34.3M
Department Of Agriculture579 awards$19.8M
Commanding General3 awards$14.7M
Department Of The Interior137 awards$4.5M
FA8125 Afsc Pzima2 awards$2.6M
W7NG Uspfo Activity Mn Arng1 award$2.0M
W6QM Micc Ft Lee1 award$1.1M
Department Of Homeland Security34 awards$1.1M
W7NE Uspfo Activity Ma Arng1 award$1.0M
W075 Endist Sacramento3 awards$813K

Related NAICS Codes

Industries similar to Septic Tank and Related Services, by shared sector, subsector, and industry group.

Remediation Services

This industry comprises establishments primarily engaged in one or more of the following: (1) remedi...
562910Same Industry GroupHigh Similarity

Materials Recovery Facilities

This industry comprises establishments primarily engaged in (1) operating facilities for separating ...
562920Same Industry GroupHigh Similarity

All Other Miscellaneous Waste Management Services

This U.S. industry comprises establishments primarily engaged in providing waste management services...
562998Same Industry GroupHigh Similarity

Solid Waste Collection

This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) c...
562111Same SubsectorMedium Similarity

Hazardous Waste Collection

This U.S. industry comprises establishments primarily engaged in collecting and/or hauling hazardous...
562112Same SubsectorMedium Similarity

Other Waste Collection

This U.S. industry comprises establishments primarily engaged in collecting and/or hauling waste (ex...
562119Same SubsectorMedium Similarity

Hazardous Waste Treatment and Disposal

This U.S. industry comprises establishments primarily engaged in (1) operating treatment and/or disp...
562211Same SubsectorMedium Similarity

Solid Waste Landfill

This U.S. industry comprises establishments primarily engaged in (1) operating landfills for the dis...
562212Same SubsectorMedium Similarity

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NAICS 562991 FAQ

Frequently Asked Questions

NAICS code 562991 covers Septic Tank and Related Services. This U.S. industry comprises establishments primarily engaged in (1) pumping (i.e., cleaning) septic tanks and cesspools and/or (2) renting and/or servicing portable toilets. Cross-References. Establishments primarily engaged in--

Recently Posted in Septic Tank and Related Services

NAICS: 562991
New
SLED
IFB P2620005 NCR2 Multi Campus Septic Tank Inspection & ServicingThe California Department of Fish and Wildlife is soliciting bids for the inspection and servicing of four septic tanks located across multiple sites within the North Central Region in Rancho Cordova, California. These include two 2,500-gallon tanks at the American River Trout Hatchery, one 1,000-gallon tank at the Office of Spill Prevention and Response, and one 5,000-gallon tank at North Central Region 2 Headquarters. The septic tanks at the hatchery are subject to regulatory requirements under the California Integrated Water Quality System, which mandates annual pumping to comply with water quality permits. Bidders must be prepared to perform comprehensive inspection and servicing of all four units in accordance with applicable environmental standards and regulatory guidelines. The solicitation, identified as IFB P2620005 with number 0000039783, was posted on July 14, 2026, with a response deadline of August 1, 2026. The procurement is conducted under the State and Local Government category and is managed by the California Department of Fish and Wildlife. All work must be performed at the specified locations in Sacramento, California. Questions and submissions must be directed to Jillian Harris, the primary point of contact, via email at jillian.harris@wildlife.ca.gov. Interested parties are required to review the full solicitation package and sample agreement through the provided online portal to ensure full compliance with technical, logistical, and regulatory requirements.
California Department of Fish & Wildlife

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about 18 hours ago

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in 17 days
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NAICS: 562991
New
SLED
Commercial Property Sweeping ServicesThe California Department of Motor Vehicles is seeking subcontractors to provide commercial property sweeping services for paved surfaces including roads, parking lots, and driveways using truck-mounted sweeping equipment. The solicitation was posted on July 13, 2026, with a response deadline of July 22, 2026, and is categorized under NAICS code 562991 for other waste management services. Services are specifically required at locations within Santa Clara, though the exact facilities or sites are not specified in the posted details. This procurement is structured as a subcontract opportunity with no set-aside designation, indicating it is open to all eligible vendors regardless of business size or socioeconomic status. Interested parties must submit proposals through the CalEprocure portal prior to the deadline and are expected to demonstrate capability in routine, high-quality sweeping operations compliant with state and local standards.
California Department of Motor Vehicles

POSTED

about 20 hours ago

DEADLINE

in 8 days
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NAICS: 562991
New
SLED
Dewatering and Sediment ManagementThe contract requires the dewatering of dredged material using geotextile tubes, centrifuges, or filter presses to separate water from sediment, ensuring efficient and environmentally compliant processing. All methods must meet applicable environmental regulations for handling and managing residual solids, with strict adherence to standards governing disposal, containment, and mitigation of potential contamination. The work is tied to sediment management efforts under Rockdale County Board of Commissioners in Georgia and is structured as a subcontract, indicating it supports a larger project or program. The solicitation was posted on July 13, 2026, with a response deadline of August 20, 2026, and falls under NAICS code 562991, which classifies it under other waste management services. Performance location details are unspecified, but the work is expected to occur within Rockdale County, with all activities subject to state and federal environmental oversight.
Rockdale County Board of Commissioners

POSTED

1 day ago

DEADLINE

in about 1 month
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NAICS: 562991
New
SLED
Highway Debris Removal and Surface Sweeping ServicesThe contract encompasses routine mechanical sweeping and manual debris removal services along a 0.01-mile segment of IH-0035 to ensure clean and safe roadway conditions. This work is part of ongoing maintenance efforts to uphold public safety and infrastructure standards by removing litter, gravel, and other hazardous materials from the travel surface. The solicitation, titled Highway Debris Removal and Surface Sweeping Services, is classified as a subcontract under NAICS code 562991 and was posted on July 13, 2026, with a response deadline of August 6, 2026. The Texas Department of Transportation is the overseeing agency, and the work is to be performed within the state of Texas, though specific location details beyond the highway segment are not provided. Interested parties must submit proposals through the designated portal by the stated deadline to be considered for award.
Texas Department of Transportation

POSTED

1 day ago

DEADLINE

in 23 days
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NAICS: 562991
New
SLED
Bridge Cleaning and Debris RemovalThe Texas Department of Transportation is seeking a subcontractor to perform comprehensive cleaning and debris removal services on bridge infrastructure, including decks, expansion joints, drainage systems, and structural components. The work aims to prevent deterioration, ensure structural integrity, and maintain public safety by systematically removing debris, vegetation, sediment, and contaminants that can accelerate wear and compromise bridge function. All tasks must be executed with precision to avoid damage to sensitive bridge elements while meeting stringent safety and environmental standards. The contract is posted as a subcontract opportunity with a response deadline of August 5, 2026, and is classified under NAICS code 562991 for other waste management services. The place of performance and detailed location information are not specified in the data, but work will be conducted across bridges under the jurisdiction of the Texas Department of Transportation. Interested parties must respond by the deadline through the provided Texas SmartBuy portal to be considered for award, and full compliance with all technical, logistical, and regulatory requirements will be essential for successful performance.
Texas Department of Transportation

POSTED

1 day ago

DEADLINE

in 22 days
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NAICS: 562991
New
SLED
Emergency Water Extraction & Pumping ServicesDekalb County Government is seeking subcontractors to provide emergency water extraction and pumping services in response to floods, sewage backups, and storm-related water intrusions. The contract calls for rapid deployment of industrial-grade pumps and vacuums to remove standing water from residential, commercial, and public properties, ensuring timely restoration and mitigation of damage. Work must be performed immediately upon notification, with contractors expected to maintain readiness to respond around the clock across the county’s jurisdiction. The solicitation is open for bids until August 13, 2026, under NAICS code 562991 for other remediation services, and is structured as a subcontract opportunity without specific set-aside classifications. All performance will occur within Dekalb County, Georgia, and interested parties must submit proposals through the official state procurement portal by the stated deadline.
Dekalb County Government

POSTED

1 day ago

DEADLINE

in about 1 month
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NAICS: 562991
New
Federal
UTTR Portable Toilets ServiceThe U.S. Air Force is seeking quotes under solicitation number FA820126Q0030 for comprehensive portable sanitation services at the Utah Test and Training Range, Detachment 1, located on Dugway Proving Ground in Utah. The requirement covers the rental, delivery, relocation, cleaning, servicing, and maintenance of portable toilet units and portable toilet trailer units. This is a combined synopsis and solicitation issued under Part 12 procedures for commercial items, meaning no separate written solicitation will be issued, and responses must be submitted by the deadline of August 12, 2026. The acquisition is fully set aside for small business concerns as defined by the Small Business Administration, with the NAICS code 562991 designated for this procurement. All offers must comply with applicable federal acquisition regulations, and the full text of referenced provisions and clauses is accessible through the Acquisition.gov website. The contract will be managed out of Hill Air Force Base, Utah, with primary point of contact Marina Callisto available via email and phone for inquiries. The place of performance is specifically identified as Dugway, Utah, with a zip code of 84022. Interested small businesses are encouraged to review the solicitation details through the official SAM.gov link provided and ensure submission before the specified deadline to be considered for award.
FA8201 Afsc Ol H Pzio

POSTED

1 day ago

DEADLINE

in 29 days
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NAICS: 562991
New
Federal
Cold Weather Pumping and Thawing of LatrinesThe 413th Contracting Support Brigade, Regional Contracting Office – Alaska, is seeking to award a single-award requirement contract for Cold Weather Pumping and Thawing of Latrines in support of the 11th Airborne Division at Fort Wainwright, Alaska. The contract includes a one-year base period with four optional one-year extensions, allowing for up to five years of performance. Primary services involve the pumping and thawing of vaulted latrines, along with associated duties such as waste disposal and cleaning of septic tanks, all conducted in accordance with specified technical requirements and compliant with local, state, and federal regulations. Work will be performed exclusively within Fort Wainwright’s containment and associated training areas across Alaska. This solicitation, identified as W912D0-26-R-A008, is a total small business set-aside under NAICS code 562991 and is open for responses until August 13, 2026. The contract is managed by the Department of Defense through the Office of Regional Contracting – Alaska, located at Fort Wainwright, AK, 99703-0510. Primary point of contact is Richard Smith, reachable at 907-353-2460 or richard.f.smith3.civ@army.mil, with secondary support from Jeff Morgan at 907-353-1519 or jeffrey.a.morgan69.civ@army.mil. All proposals must be submitted via the SAM.gov platform using the provided UI link.
0413 Aq Hq Rco-Ak Wainwrig

POSTED

1 day ago

DEADLINE

in 30 days
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NAICS: 562991
New
Federal
USFS California State Regional Vault Toilet and Septic Pumping IDIQThis solicitation under RFP 127EAS26R0003 seeks multiple-award, indefinite-delivery, indefinite-quantity (IDIQ) contracts for commercial-level vault toilet pumping, septic tank pumping, portable toilet servicing, inspection, cleaning, disinfection, waste hauling, emergency response, and remote/winter-access services across all National Forests in USDA Forest Service Region 5 (California), with optional ordering authority extended to Regions 3, 6, and 10 upon approval. The contract, governed under FAR Part 12 for commercial items, establishes a combined ceiling of $9,000,000 across all awards, with each contractor guaranteed a minimum of $2,500 in ordering potential. Work includes labor, equipment, transportation, permits, and incidentals required to service over 17 National Forests spread across eight geographic zones, many of which require high-clearance or snow-capable vehicles. Contractors are strictly prohibited from performing repairs, replacements, plumbing, excavation, or construction, and must limit all activities to Tasks 1–4 of the Performance Work Statement. Services must comply with federal, state, and local environmental and wastewater regulations, including proper waste manifests and disposal facility reporting, and must provide response within 48 hours for emergency requests. All proposals must be submitted electronically by the deadline of July 26, 2026, to the designated contracting officer email, and require an active SAM.gov registration with a valid UEI. Submissions must include three volumes—Technical, Past Performance and Experience, and Price—with each offering required to complete the fillable Schedule of Items (J3) for base and all option years. Evaluation will assess Technical Approach, Relevant Past Performance, and Price for overall value, with pass/fail gates for Responsiveness, Representations and Certifications, and Biobased Statement. The contract includes a five-year and six-month performance period with one base year and four option years, and task orders will be issued as firm-fixed-price under FAR 16.505. The contracting officer may award contracts without discussions, making it critical for offerors to submit fully competitive proposals. Key personnel are locked in for the first 90 days, and substitutions require written justification and CO approval, while contractors must maintain comprehensive automobile liability insurance and comply with Buy American, anti-discrimination, and combating trafficking in persons requirements. Payment will be processed through the Invoice Processing Platform (IPP), requiring itemized invoices as attachments
Csa Southwest 2 Usda-Fs

POSTED

1 day ago

DEADLINE

in 13 days
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NAICS: 562991
New
Federal
Weekly Servicing of Standard Portable ToiletsThe contract requires weekly servicing of 43 standard portable toilets at Fort Rucker, including comprehensive waste removal, thorough disinfection, restocking of necessary supplies, and full cleaning to maintain hygiene and functionality. All waste must be transported exclusively to approved disposal facilities that adhere strictly to federal, state, and local environmental and public health regulations, ensuring no violations or improper handling occurs. The work is classified as a subcontract under NAICS code 562991 and is issued by the Department of Defense through the agency W6QM Micc-Ft Rucker, with performance specifically located in the 36362 zip code area. The solicitation was posted on July 10, 2026, and responses are due by August 10, 2026, and while details on set-aside status and point of contact are not provided, the scope is clearly defined around consistent, compliant, and reliable maintenance of sanitation units at this military installation.
W6QM Micc-Ft Rucker

POSTED

4 days ago

DEADLINE

in 27 days
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NAICS: 562991
New
Federal
Emergency and Event-Based Latrine SupportThe contract seeks providers to supply temporary portable toilets and handwashing stations for recurring major events and as-required support at Fort Rucker, with full service including delivery, on-site setup, regular servicing during events, and timely removal. The work supports emergency and event-based sanitation needs for the Department of Defense, specifically under the W6QM Micc-Ft Rucker office, and requires reliable, responsive service to maintain hygiene and compliance at dynamic operational sites. The North American Industry Classification System code 562991 indicates this is for other waste management services, emphasizing the specialized logistics and sanitation expertise needed. Proposals must be submitted by August 10, 2026, and the contract is structured as a subcontract, meaning the awardee will operate under a prime contractor or existing agreement rather than directly with the government. All services must be performed at Fort Rucker, Alabama, with no specified set-aside for small or disadvantaged businesses, and the requirement is ongoing, calling for consistent readiness to support both scheduled and ad hoc events. Providers must demonstrate capacity to handle high-volume, time-sensitive deployments while maintaining cleanliness, accessibility, and regulatory standards throughout the duration of each engagement.
W6QM Micc-Ft Rucker

POSTED

4 days ago

DEADLINE

in 27 days
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NAICS: 562991
Closed
Federal
School of Infantry-East Waste Management ServicesThe School of Infantry-East is soliciting services for waste management under solicitation number M6700126QM015, seeking 173 portable toilets and eight handwashing stations for a 12-month period at Camp Lejeune, North Carolina, with performance taking place near Topsail Beach. This is a total small business set-aside as defined by the SBA, with NAICS code 562991, and is open exclusively to qualified small businesses. The Government will evaluate quotes based on price, technical capability, and past performance, awarding the contract to the most advantageous offeror. The solicitation was posted on July 10, 2026, and responses are due by July 11, 2026, at 8:30 p.m. ET. Point of contact for inquiries is Santana Rosario, with David Bovee as the secondary contact, both reachable via phone and email provided. The contract will be managed under the Department of Defense, Commanding General, and all details are outlined in the attached Performance Work Statement.
Commanding General

POSTED

4 days ago

CLOSED

3 days ago
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