Sussex County - MUA

September 25, 2023
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Location of Upper Wallkill Pollution Control Facility
3500 Route 94
Hardyston, NJ 07419

(not a mailing address -  send correspondence to Administration Building in Lafayette Twp.) 

The Upper Wallkill Facilities commenced operation in the spring of 1984.  This facility accommodates the wastewater treatment needs of Franklin, Hamburg, and Sussex Boroughs and provides wastewater treatment and disposal service to portions of Vernon, Hardyston, Wantage and Sparta Townships.  The Upper Wallkill Plant is an advanced secondary treatment facility, which has a permitted discharge of 3 million gallons per day (GPD).  In 2010, construction of a 265,000 gpd BMR expansion/upgrade was completed to accommodate the wastewater treatment needs of the Vernon Town Center and Mountain Creek Development.

Since its inception, over 25 years ago, the Upper Wallkill Valley Water Pollution Control Facilities, as it is formally known, has treated and discharged over 10 billion gallons of treated wastewater while consistently meeting all NJPDES Permit requirements.  The Upper Wallkill Facility, in addition to accepting wastewater from the communities listed above, also treats all Sussex County septic waste (septage) and other Sussex County wastewater treatment plants' sludge.  The Upper Wallkill Facilities residuals or "biosolids" are composted which converts the sewage sludge to a soil conditioner.  This material is provided to area sod farms, golf courses, landscaping contractors and nurseries.  The beneficial reuse of biosolids through composting is an environmentally preferable method to incineration.


System Participants Allocations

Sludge, Septage and Sewer Volumes


Hampton Commons Facility
The Hampton Commons Wastewater Treatment Facility was constructed in 1987 to serve the 300 unit Hampton Commons Development in Hampton Township.  This 50,000 GPD facility continuously meets all NJPDES Permit requirements. In 2005, Sewer Service was extended, in accordance with the approved Wastewater Management Plan, to serve Hampton Lowe’s Center.




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