NAICS 221325-digit industry · NAICS 2022
NAICS Code 22132: Sewage Treatment Facilities
The NAICS code for Sewage Treatment Facilities is 22132.
Sewage Treatment Facilities collect municipal wastewater through sewer collection systems and process it through primary, secondary, and advanced treatment to meet environmental discharge standards.
Sewage Treatment Facilities (NAICS 22132) is part of NAICS 2213 — Water, Sewage and Other Systems, which contains 3 industries.
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Other Industries in Water, Sewage and Other Systems
NAICS 22131 — Water Supply and Irrigation Systems11,000 entities
NAICS 22133 — Steam and Air-Conditioning Supply2,693 entities
Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.