Chester Water Authority
P.O. Box 467
Chester, PA 19016
(610) 876-8181
(800) 793-2323


Chester Water Authority

Bringing Clean Water to You

Chester Water Authority (CWA) is proud of our award-winning record of providing clean, pure water. You can be confident that your water will meet or exceed all the criteria established by the Pennsylvania Department of Environmental Protection (
PA DEP), the United States Environmental Protection Agency (US EPA), and the American Water Works Association (AWWA). You can also rest assured that our rates are the lowest practical to cover operations, maintenance, and other requirements.


CWA is locally managed. That means we care about – and understand – your needs and concerns, because we live and work here, too.


Below are some points of interest about Chester Water Authority:

We serve over 41,000 customers (a total of over 200,000 people).

Our service area extends from the Susquehanna River to the Delaware River, covering the developing communities of Southwestern Delaware County and Southern Chester County.

We pump an average of 34 million gallons of water per day.

We have over 616 miles of distribution mains.

We supply water not only to residential, industrial, and commercial customers, but also to other water companies in Pennsylvania and Delaware.

Our Octoraro Treatment Plant has the capacity to treat 60 million gallons of water per day, positioning us well to serve today’s and tomorrow’s customers.