2 plants indexed.
Northern Lehigh secondary treatment plant serves 1,250 people in North Whitehall Township, Pennsylvania. It discharges treated wastewater into the Lehigh River watershed, ultimately draining to the Delaware River and Delaware Bay.
CLARKS SUMMIT _ S ABINGTON STP serves North Whitehall Township, Pennsylvania, treating wastewater for approximately 15,182 people. The plant operates under the US Clean Water Act's NPDES permit program.