To call the Peirce Island Wastewater Treatment Facility a success story is an understatement.
The plant, recently upgraded to advanced secondary treatment and nitrogen removal, is actually several success stories.
The $92 million, four-year upgrade was completed on a very small footprint without upsetting the existing primary treatment facility. Public acceptance was achieved through a comprehensive education and information campaign.
Adjoining parkland, including trails, a public swimming pool and natural areas along the Piscataqua River were not compromised nor disturbed. Effluent quality has been greatly improved, helping protect the river and the sensitive Great Bay Estuary. Construction traffic was managed to limit congestion.
As a
