NAICS 56221 - Waste Treatment and Disposal

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Key Terms

NAICS 5622 NAICS 562 NAICS 56 waste treatment waste disposal waste incineration solid waste landfill composting facility waste hauling hazardous waste management environmental compliance waste combustor municipal waste services government contracting environmental services

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Related NAICS Codes for NAICS 56221

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What is NAICS 56221

NAICS code 56221 covers establishments primarily engaged in the operation of waste treatment and disposal facilities, excluding sewer systems or sewage treatment plants. This sector includes businesses that manage a range of waste disposal services such as operating waste combustors, incinerators, solid waste landfills, and composting facilities. Additionally, some entities combine local waste collection or hauling with treatment and disposal operations. These businesses play a critical role in managing municipal, industrial, and hazardous waste streams, ensuring environmental compliance and public health protection. Government agencies contract with these firms to maintain safe, efficient, and environmentally responsible waste management infrastructure, which is essential for community sanitation and regulatory adherence.

Industry Classification for NAICS 56221

This industry comprises establishments primarily engaged in (1) operating waste treatment or disposal facilities (except sewer systems or sewage treatment facilities) or (2) the combined activity of collecting and/or hauling of waste materials within a local area and operating waste treatment or disposal facilities. Waste combustors or incinerators (including those that may produce byproducts, such as electricity), solid waste landfills, and compost dumps are included in this industry.

Breakdown for NAICS 56221

  • Includes operation of waste treatment and disposal facilities excluding sewer and sewage treatment plants.
  • Encompasses waste combustors, incinerators, solid waste landfills, and compost dumps.
  • May include combined activities of local waste collection/hauling and treatment.
  • Subject to environmental regulations and health safety standards.
  • Businesses vary from small local operators to large regional waste management companies.

Included Activities for NAICS 56221

  • Operating solid waste landfills for disposal of municipal and industrial waste.
  • Managing waste combustors and incinerators that may produce byproducts such as electricity.
  • Operating composting facilities for organic waste processing.
  • Collecting and hauling waste materials within local service areas.
  • Treatment and disposal of hazardous and non-hazardous waste.
  • Monitoring and maintaining environmental compliance at waste facilities.
  • Providing emergency waste disposal services as required by government contracts.
  • Maintaining records and reporting for regulatory agencies.

Business Types for NAICS 56221

  • Waste treatment and disposal companies
  • Environmental services firms
  • Hazardous waste management contractors
  • Municipal waste collection and disposal providers
  • Recycling and composting operators
  • Industrial waste treatment facilities

Government Buyers for NAICS 56221

Government buyers for NAICS 56221 services typically include municipal public works departments, environmental protection agencies, military installations, and federal facilities. These agencies require reliable waste treatment and disposal services to meet regulatory mandates, manage hazardous and non-hazardous waste, and maintain operational compliance. Contracts are often awarded to ensure proper handling of waste streams generated by government operations, construction projects, and community waste management programs. Additionally, environmental agencies contract these services to support pollution control initiatives and sustainable waste management practices.

Contract Types & Procurement for NAICS 56221

Contracts under NAICS 56221 commonly include fixed-price agreements for routine waste disposal services, cost-reimbursement contracts for specialized treatment projects, and indefinite delivery/indefinite quantity (IDIQ) contracts for ongoing waste management support. Procurement methods range from competitive sealed bidding to negotiated contracts, often depending on the complexity and environmental sensitivity of the waste handled. Contract values vary widely, from small municipal contracts for local landfill operations to multi-million dollar agreements for large-scale hazardous waste incineration and treatment facilities.

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