In April 1999 the municipality Weitra and Unserfrau-Altweitra established the Wastewater association Lainsitz Mitte.
The existing WWTP in Weitra was abandoned and the wastewater was pumped via the transmission pipeline to the new WWTP.
A full biological SBR type WWTP (5.800 P.E.) was designed and consists of following:
The measurement, control and regulation technology (SPS control) comprises all relevant components which are necessary for proper automated operation.