The Portland Water District supplies water to 15% of Maine's population. Greater Portland's public water meets or surpasses all state and federal standards for safety. Failing to meet standards is not an option. We're committed to providing a reliable supply of water that surpasses all health and aesthetic standards and meets the approval of our most demanding customers.
There is no single method or technique that ensures quality water. Guided by a commitment to public health, the Portland Water District employs a multiple barrier approach to ensure quality water at the tap. Accepted worldwide as the best protection against contamination, the multiple barrier approach includes four protective measures.
By almost any measure, the quality of water delivered to our customers is excellent, indicating that this strategy has proven effective.