In 1972, well no.1 located across from PPG began production, serving the PPG plant and about 30 additional customers.
In 1975, well no.2 was developed one mile west of Boiling Springs, on Rt. 174.
In 1985, well no.3, located southwest of Carlisle on Rockledge Drive, across from the Forest Meadows development, began operation.
As of December 31, 2018, the water system serving South Middleton Township consists of:
- 3 Well houses
- 5 Storage tanks, containing a total of 8.5 million gallons of water in reserve
- 75 Miles of water mains
- 467 Fire hydrants
- 4,190 Customers
The total water production for 2018 was 848,104,000 gallons, or 2,323,501 gallons per day.
The wastewater treatment plant is located on the Yellow Breeches Stream, East of Boiling Springs, at 345 Lear Lane.
The plant began operation on July 20, 1977, and is of the extended aeration type with aerobic digestion of sludge.
The original plant has a permitted capacity of .75 MGD (Million Gallons per Day), which was increased to 1.5 MGD in 2016.
65,000 square feet of reed beds were also constructed to improve biosolids processing. The reed bed system utilizes aquatic plants to dewater the sludge and increases storage capacity.
As of December 31, 2018, the sewer system consisted of:
- 0.75 MGD treatment facility (increased to 1.5 MGD in 2016)
- 11 Regional pumping stations
- 78 Miles of sewer mains
- 4,645 Customers
In addition to it’s own plant capacity, the South Middleton Authority owns 200,000 GPD capacity in the Mt. Holly Springs treatment plant, and 1.01 MGD in the Carlisle Borough treatment plant, in order to service South Middleton residents in those areas.