In the past, it seemed as if groundwater treatment regulations were an afterthought to surface water regulations. Today, water treatment professionals have a much better understanding of the vulnerability of groundwater supplies to various contaminant threats. This understanding is reflected in a broader regulatory framework for groundwater.This handbook is designed to answer many operational questions regarding groundwater treatment. Written in a question-and-answer format, the book provides all the information needed to choose appropriate treatment and operate a groundwater treatment plant. It provides a handy information source on regulations, commonly used treatment technologies, disinfection, and corrosion control. Additionally, it provides best practices and procedures for removing various substances from groundwater: iron, manganese, arsenic, hydrogen sulfide, nitrate, uranium, radium and gross alpha, barium, and organic compounds.