The Toledo Bay View Water Reclamation Facility treats the wastewater from Toledo and all or portions of six adjacent jurisdictions as well as operating an industrial wastewater pretreatment program. The facility is a Class IV wastewater treatment system with an average daily capacity of 130 million gallons per day.

The water plant is a Class IV facility designed to treat 9 million gallons of water per day with the capability to be expanded to 18 million gallons of water per day on the present site. The water plant serves parts of Danbury, Catawba Island, Erie, Salem, Portage, Harris, and Bay townships in Ottawa County, as well as the City of Port Clinton and the Village of Oak Harbor.

The Water Reclamation Center provides service to the city of Fremont and is a Class IV facility designed for 7.6 million gallons per day daily average flow and 24 million gallons per day peak flow. The system also operates an industrial wastewater pretreatment program.

The City of Fostoria Water Treatment Center is a Class IV facility that provides safe and clean drinking water to the city. The raw water is collected and stored in six reservoirs located throughout the City of Fostoria, primarily taken from the East Branch of the Portage River.

The current facility was placed into operation in 1982 with recent major upgrades to increase rated capacity and improve treatment processes. The plant is a Class IV facility with an average design capacity of 10 million gallons per day, with a peak capacity of 20 million gallons per day. The plant also produces Class A biosolids.

The Put-in-Bay wastewater plant was built in the early 1980s, originally to serve the central downtown area of the village. Like other costal areas in Ottawa County, the population served on a summer weekend is far greater than the permanent residents. While only 128 residents live in the village year-round, there are often 10,000 people in town during the spring and summer.

The Lucas County Water Resource Recovery Facility operates to serve about 57,000 people and is a Class IV facility. The facility is designed to treat 22.5 million gallons per day average daily flow, and 45.5 million gallons per day peak, expanded in 2005. The facility has undergone upgrades in the past few years with the goal of using their treatment equipment to power 80 percent of the facility's power needs.

The Northwestern Water and Sewer District (The District) provides 20,000 customers with quality water and sewer services in Wood, Hancock, Henry, and Sandusky counties.  The District works with various water providers to distribute almost 6 million gallons of water daily throughout Northwest Ohio.  The District is also responsible for moving and treating over 850,000 gallons of wastewater daily.   The District currently employs 75 full-time workers including water and wastewater operators, managers, engineers, a customer service team, an IT/GIS staff, and administrators.   Click here to find out more about The District.