This Act has different parts that help you understand its purpose. You can find the purpose, definitions, and key principles in the first part. The Act is divided into sections that explain how it works. You will find information about drinking water in Part 2. This part also includes rules for people who operate drinking water supplies and wastewater networks, which are in subpart 10. The Act also explains how to monitor and enforce these rules in Part 3. The Act has other parts too, like Part 4 which has powers to make regulations and other provisions. It also has Part 5 which makes changes to the Local Government Act 2002. This section gives you a general idea of what the Act is about.