System Facts

General

• Communities Served: Waterville, Winslow, Fairfield, Vassalboro, Benton
• Wholesale Customers: Maine Water Company in Oakland
• Population Served: 22,500
• Ownership: Consumer owned (quasi-municipal)
• Personnel: 28
• Customer Cost: $2.39 per 100 cubic feet (748 gallons) (2026)
• Price per gallon: $0.0031 (2026)
• Funding Sources for Operations: User fees though rates
• Fiscal year: January 1 to December 31
• Total water revenues: $8 million (2026)

Distribution and Transmission

• Number of pumping stations: 4
• Number of water storage facilities: 3
• Number of hydrants: 649
• Number of active services: 8,800
• Miles of main: 172
• Sizes of main: 2″ – 36″
• Predominant pipe materials: Cast Iron and ductile Iron
• Storage facility capacity: 12.9 million gallons total
• 2nd Rangeway Tank: 0.90 million gallons – Steel 
• Ridge Road Reservoir Tanks (2): 6.0 million gallons each – Concrete

Source of Supply:

• Water Source: China Lake
• Capacity: 31.7 billion gallons
• Surface area: 6.1 square miles
• Watershed area: 27 square miles
• Watershed land owned by KWD: 344 Acres
• Maximum depth: 92 feet (28 Meters)
• Average depths: 25 feet (8 Meters)
• Annual flushing rate:  64% 
• Average yearly precipitation: 43 inches

Treatment

• Average yearly water production: 1 billion gallons 
• Average daily water production: 3 million gallons per day 
• Treatment plant operations began: August 1993
• Chemicals used: Aluminum sulfate; Cationic polymer; Sodium hypochlorite; Hydrofluorosilicic acid; Ortho-polyphosphate; Sodium hydroxide 
• Clarification process: Upflow – solids – contact
• Filtration process: Conventional high rate
• Filter media: Granular activated carbon, Sand
• Disinfectant: Sodium Hypochlorite
• Disinfection application: Post filtration
• Residuals collection method:  Recycle lagoon
• Residual dewatering method:  Air dry and freeze/thaw
• Residual disposal method: Landfill