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NAICS code 221320: Sewage Treatment Facilities

This industry comprises establishments primarily engaged in operating sewer systems or sewage treatment facilities that collect, treat, and dispose of waste.

SBA small-business size limit
$35.0M

Is your company small for 221320?

The SBA limit is $35 million average annual receipts.

What 221320 covers

Use another code for

Activities listed under 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

Questions

What is NAICS code 221320?

NAICS 221320 is “Sewage Treatment Facilities”. This industry comprises establishments primarily engaged in operating sewer systems or sewage treatment facilities that collect, treat, and dispose of waste.

What businesses use NAICS code 221320?

Examples from the U.S. Census Bureau: Collection, treatment, and disposal of waste through a sewer system; Sewage disposal plants; Sewage treatment plants or facilities; Sewer systems; and Waste collection, treatment, and disposal through a sewer system.

What is not included in NAICS 221320?

Businesses mainly operating waste treatment or disposal facilities (except sewer systems or sewage treatment facilities) are classified in Industry 56221, Waste Treatment and Disposal; operating water treatment plants and/or operating water supply systems are classified in Industry 221310, Water Supply and Irrigation Systems; and pumping (i.e., cleaning) cesspools, portable toilets, and septic tanks or renting portable toilets are classified in U.S. Industry 562991, Septic Tank and Related Services.

What is the SBA size standard for NAICS 221320?

$35 million average annual receipts (average of the last five fiscal years), including affiliates. Source: 13 CFR 121.201, effective March 17, 2023.

What is the SIC code for NAICS 221320?

SIC 4952 (Sewerage Systems), from the U.S. Census Bureau concordances (1987 SIC → 2002 NAICS, carried to 2022 NAICS).

What is the IRS business code for NAICS 221320?

221000 (Utilities) on Schedule C, line B, from the IRS list of principal business codes. The IRS code covers NAICS 221111–221330.

How do I find government contracts for NAICS 221320?

Federal agencies put a NAICS code on each solicitation in SAM.gov, and some states and cities use NAICS codes too. Add 221320 to your SAM.gov registration and to your bid alerts; PublicBeam emails new bids for the codes you choose every morning.

Source: U.S. Census Bureau, 2022 NAICS (public domain). PublicBeam is independent and not affiliated with the Census Bureau or any agency. Always check the NAICS code in the official notice before you bid.