Ground water and surface water regulations, drinking water data, and related studies and databases.

Founded to protect and conserve the natural resources of the 362 mile Perkiomen Watershed. Promotes an environmental ethic through education, land conservation and watchdog activities.

Seeks to advance the knowledge of freshwater ecosystems through interdisciplinary research into all aspects of streams, rivers, and their watersheds.

Promotes public education and land use planning to protect the natural beauty of the Upper Perkiomen Watershed in Montgomery County Pennsylvania.

Rich source of information about the environmental resources of the Allegheny River watershed and how human activities affect water quality and the environment.