Newburyport Water Works is a public utility company that provides water and sewer services to the city of Newburyport, Massachusetts. The company was established in 1874 and operates under the supervision of the Newburyport Water Commission. The company's mission is to ensure the delivery of safe, reliable, and high-quality water and wastewater services to its customers while protecting the environment and promoting conservation. The company's main facilities include two water treatment plants, four pumping stations, two reservoirs, and over 100 miles of water and sewer mains.

The Newburyport Water Works are on Spring Lane adjacent to the Merrimack River near the I-95 bridge over the river.