Blue Plains Wastewater Treatment Plant (IMAGE) University of Innsbruck Caption The Blue Plains advanced wastewater treatment plant in Washington DC treats 1.5 million cubic meters of wastewater daily. 10 megawatts of electricity are produced in the newly built sludge digestion plant (green circle). The ammonia return load from this process is eliminated by the DEMON-system currently under construction (red circle). Credit DC Water Usage Restrictions The picture may be used for editorial purposes only. It is protected by copyright. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.