Qhpt, short for Quissett Harbor Preservation Trust, is a not-for-profit environmental organization dedicated to preserving and enhancing the natural environment and ecosystems of the Quissett Harbor area. As a 501(c)(3) organization, donations made to Qhpt are tax deductible. The trust's primary goal is to protect and maintain the harbor and its surrounding habitats, ensuring a diverse and healthy population of fish, wildlife, and plants.

Qhpt also aims to restore and protect the integrity of the Knob, a nature preserve within the area. The trust actively works to improve water quality, increase public awareness of the harbor's ecosystems, and establish partnerships with relevant agencies and environmental interest groups. Qhpt also engages in inventory, monitoring, and research initiatives to better understand the natural systems and habitats under its care.

Additionally, Qhpt provides educational programs and recreational opportunities for visitors to enjoy and learn about the area's rich natural heritage. By collaborating with other conservation organizations and participating in advocacy efforts, Qhpt strives to protect the harbor's resources and promote successful preservation outcomes for the future