The aqua consult Baltic OÜ is an independent consulting and engineering company in the field of wastewater management. aqua consult Baltic is a subsidiary of the German company aqua consult Ingenieur GmbH. From the last 30 years of our activity we have over 1,000 references worldwide from water supply, sewerage system, industrial and municipal waste water, solid waste and waste air projects. aqua consult Baltic is responsible for supplying a qualified wastewater technology and design in the Baltic region and partly also in former Soviet countries. At time we have a staff of about 100 qualified employees in the whole aqua consult group and around 15 in the office at aqua consult Baltic. In Estonia our employees have mostly good Russian knowledge however, also native Russian speaking engineers are employed. The range of our projects comprises the municipal waste water treatment with advanced treatment (biological phosphate and nitrogen elimination, filtration, disinfection, reuse, operation control systems partial with support by remote control and simulation models) for medium-sized and big cities. aqua consult has totally references from more than 200 municipal waste water treatment plant projects. aqua consult is one of the pioneers in the development of novel technologies of nutrient removal. Together with the University of Hannover in Germany and University of Tartu in Estonia we have been involved in several research and development projects in wastewater treatment. Currently we are involved in several projects developing autotrophic nitrogen removal technologies for wastewater treatment as well as for fisheries. In Germany we have successfully developed and applied PANDA process (improved nitrogen removal over nitritation).