The Rio Dell water system serves approximately 1,100 customers and consists of a network of water mains, valves and storage tanks that deliver treated water from the plant located at 475 Hilltop Drive to water customers.

Raw water is pumped from infiltration galleries under the Eel River to the treatment plant. The City has completed an approximately $8.5 million project to establish a new raw water intake below the Eel River, improve filtration, and rehabilitate the water distribution infrastructure. The completion of this project has lifted a water emergency declaration within the City that has been in place for over five years.