Water Treatment Facilities

Built: 1942
Source Waters: Glenville Lake, Cape Fear River
Original Capacity: 3 MGD
Expansions: 5 MGD (1949), 8 MGD (1954), 12 MGD (1961), 18 MGD (1994)
Current Capacity: 18 MGD
12-Month Daily Avg: 9.641 MGD
12-Month Daily Max: 13.985 MGD
12-Month Total: 3518.78 MG
Expansion Plans: None at present time; however, additional treatment units may be needed to meet Safe Drinking Water Act requirements; a SCADA upgrade is currently underway; Construction of the Granulated Active Carbon (GAC) facility is expected to begin in 2026, with an expected completion of 2029 to ensure compliance with the recently applied regulations regarding PFAS contamination in our source water(s)
Features: Three 6 MGD Pumps located to treat water from Glenville Lake and Glenville Raw Water Station located on the Cape Fear River with a 36” raw water transmission main that allows GLWTF to treat river water as well. In 2003, the disinfection process switched from chlorination to chloramination.
Awards: NCDEQ State Area Wide Optimization Program Award (2024); NC AWWA-WEA Walter Courmon Safety Award (2016)

Built: 1969
Source Water: Cape Fear River
Original Capacity: 8 MGD
Expansions: 16 MGD (1975), 32 MGD (1988)
Filter Uprating Approval: 39.5 MGD (2005)
Current Capacity: 39.5 MGD
12-Month Daily Avg: 19.526 MGD
12-Month Max: 25.351 MGD
12-Month Total: 7126.89 MG
Expansion Plans: A 3-phase, multi-year upgrade began in 2014; Phase 1A was completed in January 2017, Phase 1B completed in February 2018; Phase 2A is currently underway that includes a Powdered Activated Carbon (PAC) bulk facility, Electrical Building with new Motor Control Centers, a Chloramine Mixing Vault, and High Service Valve replacement; Construction of the Granulated Active Carbon (GAC) facility is expected to begin in 2026, with an expected completion of 2029 to ensure compliance with the recently applied regulations regarding PFAS contamination in our source water(s); Construction on Phase 2B is contingent on future water demands.
Features: In 2003, the disinfection process switched from chlorination to chloramination.
Awards: NCDEQ State Area Wide Optimization Program Award (2024); NC AWWA-WEA Walter Courmon Safety Award (2016)