It applies to single-stage activated sludge systems of any size, typically serving populations of 5,000 or more.
The standard covers the removal of carbon, nitrogen, and phosphorus. Atv Dvwk A 131 E.pdf
The primary objective of the standard is to ensure that municipal wastewater treatment plants meet or exceed the effluent requirements established by the . It is widely considered one of the most adopted guidelines for wastewater design across Europe. It applies to single-stage activated sludge systems of
Facilities designed under these guidelines should ideally have a planning horizon of no more than 25 years. Core Components of the Standard It is widely considered one of the most
is a foundational technical standard published in May 2000 by the German Association for Water, Wastewater, and Waste (ATV-DVWK, now DWA ). It provides comprehensive guidelines for the dimensioning of single-stage activated sludge plants used in wastewater treatment. Purpose and Scope
The ATV-DVWK-A 131 E.pdf document outlines specific procedures for calculating the dimensions of essential treatment units: Atv Dvwk A 131 E.pdf Apr 2026