The library consists of several sections that includes books and portable document files (PDFs). There are a few books listed in both the wastewater section and the water section because they do a good job of covering both topics. So any duplication you find will be on purpose.
Three categories of books (and one “Miscellaneous” section) are offered as follows:
3) Statistics Books, and
There is an excellent series of books published by the International Water Association (www.iwahg.org) that have recently been made available as FREE electronic downloads (eBooks) or PDF documents. You can go right to the IWA page that provides the links to download each of the textbooks listed below by clicking on the IWA Water Wiki button above. I highly recommend that you add this collection of books, whether as textbooks or eBooks, to your wastewater collection. And if you choose the eBooks, they are free and you will have them immediately.
List of Free Books Available for Immediate Download from the International Water Association:
von Sperling, Marcus. Wastewater Characteristics, Treatment and Disposal. Volume 1. London: IWA Publishing, 2007.
---. Basic Principles of Wastewater Treatment. Volume 2. London: IWA Publishing, 2007.
---. Waste Stabilisation Ponds. Volume 3. London: IWA Publishing, 2007.
Chernicharo, Carlos Augusto de Lemos. Anaerobic Reactors. Volume 4. London: IWA Publishing, 2007.
von Sperling, Marcus. Activated Sludge and Aerobic Biofilm Reactors. Volume 5. London: IWA Publishing, 2007.
Andreoli, Cleverson Vitorio, Marcos von Sperling, and Fernando Fernandes. Sludge Treatment and Disposal. Volume 6. London: IWA Publishing, 2007.
As I travel around to different customer sites I’m usually able to obtain substantial quantitites of treatment plant operating data. Every plant has different degrees of data generation. Sometimes I hit the jackpot and get several years worth of very detailed laboratory data. You need at least a fundamental understanding of statistics to really take advantage of large data sets. Plus, statistics is a hobby of mine. So I offer some statistics textbooks for you to consider.