Serving more than
25,000 residents
The primary mission of the District’s wastewater treatment plant is to protect Human Health, our Bays and the Environment.
2027 Budget Hearing September 3, 2026
10:00AM – 11:00AM
Who We Are
The Great Neck Water Pollution Control District (GNWPCD) is a special commissioner-run district within the Town of North Hempstead. The District is funded by taxpayers, as well as commercial, institutional and industrial users and has an elected Board of Commissioners. The GNWPCD serves more than 25,000 residents living in the villages of Great Neck, Saddle Rock, Kensington, and those parts of Thomaston and Great Neck Plaza east of Middle Neck Road; as well as all unincorporated areas north of the railroad and a part of Manhasset.
The GNWPCD is comprised of a wastewater treatment plant that is designed for a daily flow of 5.3 million gallons a day (MGD). Sewage is transported to the plant through 72 miles of sanitary sewers with the help of 10 sewage pump stations.
serving more than 25,000
residents
gallons of drinking water
conserved per year
miles of sewer lines maintained
Quick Links
Permit Portal
Residents
Contractors
Events/Meetings
News
Finances
FAQs
GNWPCD Staff Receives CPR and Opioid Overdose Training
Nassau County Delivers Grant for New Vactor Truck to Strengthen Sewer System Maintenance
The Great Neck Water Pollution Control District held its 17th biannual ‘Shed the Meds’ event
Mark Berger Elected Chairman of the Great Neck Water Pollution Control District
Commissioner Reiter Elected Chairman of GNWPCD
Mark Berger Sworn in as GNWPCD Commissioner
GNWPCD Staff Receives CPR and Opioid Overdose Training
Nassau County Delivers Grant for New Vactor Truck to Strengthen Sewer System Maintenance
The Great Neck Water Pollution Control District held its 17th biannual ‘Shed the Meds’ event
Mark Berger Elected Chairman of the Great Neck Water Pollution Control District
Commissioner Reiter Elected Chairman of GNWPCD
Mark Berger Sworn in as GNWPCD Commissioner
Permit Portal
Utilize our convenient online permit portal to select and submit permit applications, make deposit for cost payments, and track your permit status.
WasteWater Treatment
Wastewater treatment is utilized to protect the environment and the health of our society. Municipal wastewater contains a variety of wastes. Believe it or not, wastewater is approximately 99.9% drinking or potable water with only 0.1% being solids and waste.