NAICS 221320 - Sewage Treatment Facilities
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What is NAICS 221320
NAICS code 221320 covers establishments primarily engaged in operating sewer systems and sewage treatment facilities that collect, treat, and dispose of wastewater and sewage. Businesses in this sector focus on environmental management by ensuring safe and effective treatment of sewage to protect public health and water quality. These operations include processing municipal and industrial waste through physical, chemical, and biological methods to remove contaminants before discharge or reuse. Government agencies contract these services to comply with environmental regulations, manage urban infrastructure, and maintain community sanitation standards. The sector is critical to sustainable urban development and environmental stewardship, often requiring specialized expertise and ongoing facility management.
Industry Classification for NAICS 221320
This industry comprises establishments primarily engaged in operating sewer systems or sewage treatment facilities that collect, treat, and dispose of waste.
Breakdown for NAICS 221320
- Includes operations of municipal and industrial sewage treatment plants.
- Covers facilities involved in collection, treatment, and disposal of wastewater.
- Businesses must comply with environmental and public health regulations.
- Typical projects include plant operations, upgrades, and maintenance.
- Small and large entities operate under this code, with size standards based on revenue.
- Government contracts often involve long-term service and performance requirements.
Included Activities for NAICS 221320
- Operating sewage collection and treatment systems.
- Monitoring and managing wastewater quality and compliance.
- Performing routine maintenance and emergency repairs on treatment facilities.
- Implementing advanced treatment technologies for contaminant removal.
- Conducting environmental impact assessments and reporting.
- Upgrading and expanding treatment infrastructure.
- Disposing of treated sewage sludge in accordance with regulations.
- Coordinating with regulatory agencies for permits and inspections.
Business Types for NAICS 221320
- Municipal public works departments
- Private wastewater treatment operators
- Environmental engineering firms
- Utility service providers
- Industrial wastewater management companies
- Consultants specializing in environmental compliance
Subcategories for NAICS 221320
- Collection, treatment, and disposal of waste through a sewer system
- Sewage disposal plants
- Sewage treatment plants or facilities
- Sewer systems
- Waste collection, treatment, and disposal through a sewer system
Government Buyers for NAICS 221320
Government agencies at the federal, state, and local levels are the primary buyers of services under NAICS 221320. These include municipal public works departments, environmental protection agencies, water resource authorities, and military installations. They require sewage treatment services to ensure compliance with environmental laws such as the Clean Water Act, support public health initiatives, and maintain critical infrastructure. Additionally, agencies involved in urban planning and environmental remediation seek these services to upgrade or expand treatment capacity in response to population growth and industrial development.
Contract Types & Procurement for NAICS 221320
Contracts for sewage treatment facilities typically include operations and maintenance agreements, design-build contracts for facility upgrades, and long-term service contracts for continuous wastewater management. Procurement methods often involve competitive bidding, requests for proposals (RFPs), and negotiated contracts due to the technical complexity and regulatory requirements. Contract values can vary widely, from smaller-scale maintenance contracts valued in the tens of thousands to large multi-million-dollar agreements for facility construction or comprehensive treatment services. Performance-based contracting is common to ensure compliance with environmental standards and operational efficiency.
Details for NAICS 221320
Explore the hierarchy and related codes for this industry
| NAICS Code | Industry Title |
|---|---|
| 22132 | Sewage Treatment Facilities |
| 2213 | Water, Sewage and Other Systems |
| 221 | Utilities |
| NAICS Code | Industry Title |
|---|---|
| 221310 | Water Supply and Irrigation Systems |
| 221330 | Steam and Air-Conditioning Supply |
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