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NSF/ANSI 40:2026

Current

Current

The latest, up-to-date edition.

Residential Wastewater Treatment Systems

Available format(s)

PDF

Language(s)

English

Published date

01-07-2026

£172.52
Excluding VAT

This standard contains minimum requirements for residential wastewater treatment systems having rated treatment capacities between 1,514 LPD (400 GPD) and 5,678 LPD (1,500 GPD).

DocumentType
Standard
Pages
42
ProductNote
This standard also refer to 40 CFR Part 133, ANSI/AWS D.1.1/D1.1M:2015, ANSI/AWS D1.3/D1.3M:2018
PublisherName
NSF International
Status
Current
Supersedes

£172.52
Excluding VAT