NAICS 562991 - Septic Tank and Related Services

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What is NAICS 562991

NAICS code 562991 covers establishments primarily engaged in septic tank and related services, including the pumping, cleaning, and maintenance of septic tanks and cesspools, as well as the rental and servicing of portable toilets. Businesses operating under this code provide essential sanitation services that are critical for environmental health and compliance with public health regulations. This sector supports residential, commercial, and governmental clients by managing waste disposal systems in areas where centralized sewage systems are unavailable or impractical. Government agencies rely on these services to maintain sanitation standards at remote sites, construction zones, parks, and other public facilities.

Industry Classification for NAICS 562991

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.

Breakdown for NAICS 562991

  • Includes pumping and cleaning of septic tanks and cesspools.
  • Covers rental and servicing of portable toilets.
  • Services are critical for sanitation in areas without centralized sewage systems.
  • Small business size standards typically apply, often fewer than 50 employees.
  • Government contracts often support temporary or remote site sanitation needs.

Included Activities for NAICS 562991

  • Pumping and cleaning septic tanks and cesspools.
  • Renting portable toilets for construction sites or events.
  • Servicing and maintaining portable toilets, including waste removal.
  • Disposing of septic waste in compliance with environmental regulations.
  • Performing routine inspections and maintenance of septic systems.
  • Responding to emergency sanitation needs at government facilities.
  • Documenting and reporting service activities for regulatory compliance.

Business Types for NAICS 562991

  • Septic tank pumping and cleaning companies.
  • Portable toilet rental and service providers.
  • Environmental waste management firms.
  • Small and medium-sized sanitation service businesses.
  • Specialized contractors serving government and commercial clients.

Subcategories for NAICS 562991

  • Cesspool cleaning services
  • Portable toilet pumping (i.e., cleaning) services
  • Portable toilet renting and/or servicing
  • Pumping (i.e., cleaning) cesspools and septic tanks
  • Pumping (i.e., cleaning) portable toilets
  • Septic tank cleaning services
  • Septic tank pumping (i.e., cleaning) services
  • Tank cleaning services, septic
  • Toilet renting and/or servicing, portable

Government Buyers for NAICS 562991

Typical government buyers for services under NAICS 562991 include federal, state, and local environmental and public health departments, military installations, national parks, and public works agencies. These entities require septic tank pumping and portable toilet servicing to ensure sanitary conditions in facilities without permanent sewage infrastructure. The services help maintain compliance with environmental regulations, support emergency response operations, and address temporary sanitation needs at construction sites or special events. Contracting with specialized businesses ensures timely and safe handling of waste materials in a manner consistent with regulatory standards.

Contract Types & Procurement for NAICS 562991

Contracts for septic tank and related services under this NAICS code commonly include firm-fixed-price, indefinite-delivery/indefinite-quantity (IDIQ), and task order contracts. Procurement methods may involve competitive bidding, small business set-asides, and simplified acquisitions, depending on the contract size and government agency. Contract values typically range from small-scale maintenance agreements to multi-year service contracts supporting large facilities or multiple locations. Short-term contracts for emergency services and portable toilet rentals are also frequent, offering flexibility to meet fluctuating government needs.

Details for NAICS 562991

Explore the hierarchy and related codes for this industry

NAICS Code Industry Title
561 Administrative and Support Services
5611 Office Administrative Services
56111 Office Administrative Services
561110 Office Administrative Services
5612 Facilities Support Services
56121 Facilities Support Services
561210 Facilities Support Services
5613 Employment Services
56131 Employment Placement Agencies and Executive Search Services
561311 Employment Placement Agencies
561312 Executive Search Services
56132 Temporary Help Services
561320 Temporary Help Services
56133 Professional Employer Organizations
561330 Professional Employer Organizations
5614 Business Support Services
56141 Document Preparation Services
561410 Document Preparation Services
56142 Telephone Call Centers
561421 Telephone Answering Services
561422 Telemarketing Bureaus and Other Contact Centers
56143 Business Service Centers
561431 Private Mail Centers
561439 Other Business Service Centers (including Copy Shops)
56144 Collection Agencies
561440 Collection Agencies
56145 Credit Bureaus
561450 Credit Bureaus
56149 Other Business Support Services
561491 Repossession Services
561492 Court Reporting and Stenotype Services
561499 All Other Business Support Services
5615 Travel Arrangement and Reservation Services
56151 Travel Agencies
561510 Travel Agencies
56152 Tour Operators
561520 Tour Operators
56159 Other Travel Arrangement and Reservation Services
561591 Convention and Visitors Bureaus
561599 All Other Travel Arrangement and Reservation Services
5616 Investigation and Security Services
56161 Investigation, Guard, and Armored Car Services
561611 Investigation and Personal Background Check Services
561612 Security Guards and Patrol Services
561613 Armored Car Services
56162 Security Systems Services
561621 Security Systems Services (except Locksmiths)
561622 Locksmiths
5617 Services to Buildings and Dwellings
56171 Exterminating and Pest Control Services
561710 Exterminating and Pest Control Services
56172 Janitorial Services
561720 Janitorial Services
56173 Landscaping Services
561730 Landscaping Services
56174 Carpet and Upholstery Cleaning Services
561740 Carpet and Upholstery Cleaning Services
56179 Other Services to Buildings and Dwellings
561790 Other Services to Buildings and Dwellings
5619 Other Support Services
56191 Packaging and Labeling Services
561910 Packaging and Labeling Services
56192 Convention and Trade Show Organizers
561920 Convention and Trade Show Organizers
56199 All Other Support Services
561990 All Other Support Services
562 Waste Management and Remediation Services
5621 Waste Collection
56211 Waste Collection
562111 Solid Waste Collection
562112 Hazardous Waste Collection
562119 Other Waste Collection
5622 Waste Treatment and Disposal
56221 Waste Treatment and Disposal
562211 Hazardous Waste Treatment and Disposal
562212 Solid Waste Landfill
562213 Solid Waste Combustors and Incinerators
562219 Other Nonhazardous Waste Treatment and Disposal
5629 Remediation and Other Waste Management Services
56291 Remediation Services
562910 Remediation Services
56292 Materials Recovery Facilities
562920 Materials Recovery Facilities
56299 All Other Waste Management Services
562991 Current Septic Tank and Related Services
562998 All Other Miscellaneous Waste Management Services

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