Below is a list of links to interesting websites:

• Prof. Dr. ir. Peter Vanrolleghem
  Peter Vanrolleghem, bio-engineer, PhD, is head of the modelEAU research team and has ample experience with modelling, monitoring and control of wastewater treatment systems. The development of new ...
• International Water Association IWA (Former International Asscociaton of Water Quality IAWQ):
  The International Water Association is a global network of water professionals, spanning the continuum between research and practice and covering all facets of the water cycle.
• Taskgroup on Respirometry in Control of the Activated Sludge Process : Simulation Benchmark
  Wastewater treatment plants are large non-linear systems subject to large perturbations in flow and load, together with uncertainties concerning the composition of the incoming wastewater. ...
• Water Environment Federation (WEF)
  Formed in 1928, the Water Environment Federation (WEF) is a not-for-profit technical and educational organization with 32,000 individual members and 80 affiliated Member Associations representing an ...
• WWWastewater Training Centre
  Online training courses for wastewater treatment specialists
• Water and Wastewater.com
  'The best web site for the water treatment professional'