Spread around this website are numerous portable document format (PDF) files and Excel spreadsheets that you can download. My goal with this page is to provide a single location where these documents and files can more easily be found. First up are six textbooks that you can read more about on the IWA blog page. Here you can download each of these free textbooks as PDF files.
Wastewater Characteristics, Treatment and Disposal—Volume 1 of 6
Basic Principles of Wastewater Treatment—Volume 2 of 6
Waste Stabilization Ponds—Volume 3 of 6
Anaerobic Reactors—Volume 4 of 6
Activated Sludge and Aerobic Biofilm Reactors—Volume 5 of 6
Sludge Treatment and Disposal—Volume 6 of 6