Delivering Safe, Reliable Water to Our Community

Water treatment plant

At the Portland Water District, we proudly supply safe, high-quality water to 16% of Maine’s population. Our water consistently meets or exceeds all state and federal safety standards, because anything less is not an option.

We are dedicated to providing a dependable supply of water that not only meets health and safety requirements but also tastes great—earning the trust of even our most discerning customers.

To ensure the water you drink is safe and dependable, we use the multiple barrier approach, a strategy recognized worldwide as the most effective protection against contamination. This approach incorporates four key protective measures, safeguarding water quality from its source all the way to your tap.

At the Portland Water District, your health and safety are our top priorities. Clean water isn’t just a service—it’s our promise to you.

Watershed Protection
Water Treatment
Water Distribution
Water Quality Monitoring and Reporting

By almost any measure, the quality of water delivered to our customers is excellent, indicating that this strategy has proven effective.