Later this spring Penn State plans to offer a Chester County specific private well water webinar. The date has not yet been announced, until then consider these brochures about maintaining the quality of your drinking water.
The links for electronic versions of the three brochures are below:
Drilling a New Well
Best Management Practices for Private Water Systems
Private Water System Management
More drinking water resources are available at: Penn State Extension Drinking Water Information
East Nantmeal Township 