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
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
It applies to single-stage activated sludge systems of any size, typically serving populations of 5,000 or more.
