New Dimensioning Guidelines and New Worksheet DWA-A 131 (pdf)

Since July 2016 a new guideline DWA-A 131 for the design of WWTP is valid in Germany. AQUA DESIGNER has been updated. This applies also to other processes like SBR-design and generally aeration design. So also other guidelines like A 202, M 229-1, M 210 are also affected.