Division 37: Sewerage
Section E, Water supply; sewerage, waste management and remediation activities. 1 subcategory with ISTAT's explanatory notes and the ATECO 2022 codes they come from.
ISTAT publishes ATECO 2022 titles in Italian only.
- 37Sewerage
This division includes the operation of sewerage systems or sewage treatment facilities, which collect, treat and discharge sewage into water bodies or operate surface impoundment.
This division also includes the operation of wastewater treatment facilities for reuse (for example, agricultural, industrial and road cleaning wastewater or collected rainwater).
- 37.0Sewerage
- 37.00Sewerage
ISTAT explanatory notes ›
Excludes
- further treatment of sludge extracted from wastewater, see division 3838
- anaerobic digestion, see 38.2
- aerobic treatment, such as composting, see 38.21
- incineration with energy recovery, see 38.22
- incineration without energy recovery, see 38.31
- decontamination of surface water and groundwater at the place of pollution, see 39.0039.00
- construction or repair of sewerage systems, see 42.2142.21
- cleaning and unblocking of drainpipes in buildings, see 43.2243.22
- rental of portable toilets, see 77.3977.39
- further treatment of sludge extracted from wastewater, see division 3838
- 37.00.0Sewerage
- 37.00.00SewerageFrom ATECO 2022: 37.00.00 Raccolta e depurazione delle acque di scarico (all from here)
ISTAT explanatory notes ›
Includes
- operation of wastewater treatment facilities for reuse (e.g. of agricultural, industrial and road cleaning wastewater or collected rainwater), or for artificial recharge or augmentation of groundwater bodies
- collection and transport of wastewater from users (e.g. households or industrial units)
- collection and transport of rainwater by means of sewerage networks, collectors, tanks and other means of transport (e.g. sewage vehicles, etc.)
- maintenance and cleaning of sewers and drains, including sewer rodding
Also includes
- freeze-drying of sewage sludge by wastewater treatment plants
- emptying and cleaning of cesspools and septic tanks, sinks and pits from sewage
- servicing of chemical toilets
Source and disclaimer
The code you find here has no legal value, like the one from ISTAT's own navigator. You can use it as a reference when you register or change a VAT number with the Business Register or the Italian Revenue Agency. If in doubt, ask your accountant. ISTAT's official ATECO navigator.
Data: ISTAT, ATECO 2025 classification, CC BY 4.0 licence. We reorganised the files for search without changing the text of codes and notes, except for the capitalisation of section titles. CC BY 4.0
ISTAT files used
- ATECO 2025 structure (Italian, English, German), last updated 2 April 2025
- ATECO 2025 explanatory notes (Italian, English), last updated 19 March 2025
- ATECO 2025 - ATECO 2022 correspondence table, 2026 update (Italian), last updated 15 July 2026
- ATECO 2025 - ATECO 2022 correspondence table, 2026 update (English), last updated 15 July 2026
- ATECO 2022 - ATECO 2025 operational reclassification table, 2026 update, last updated 15 July 2026