Frequently Asked Questions

Answers to our most commonly asked questions from residential customers, including how to start or stop service, ask for an extension, and address leaks.

Learn about payment options, changing account information and more.

Information about how Prince William Water sets its rates, how our rates compare to other jurisdictions, and typical customer bills.

Frequently asked questions about water disinfection, water hardness, common plumbing-related issues and more.

Learn more about why boil water advisories happen, how to properly boil water and keeping your family safe during an advisory.

Information about our springtime distribution system flushing program, including why we do it and how it enhances water quality.

Important information about water main breaks, including their causes, how we repair them and what to do if you encounter one.

Learn more about sanitary sewer overflows (SSOs), including their signs and how you can help prevent them. 

Information about development impacts drinking and wastewater infrastructure in growing Prince William County.

Answers to questions about connecting to the public water and wastewater system, including our Service Connection Policy.

Information about regulations surrounding lead and copper in drinking water, including the Environmental Protection Agency's Lead and Copper Revised Rule.

Information about PFAS, including new Environmental Protection Agency regulations, how they enter drinking water sources and how to limit exposure.

Learn about hexavalent chromium in drinking water, such as regulations and sources of the substance.