Groundwater Classification Areas GA1

This dataset represents GA1 Groundwater Classification Areas in New Hampshire, which receive enhanced protections under RSA 485-C. Reclassification is initiated by local entities or NHDES to safeguard public water supplies by restricting high-risk land uses and requiring a Potential Contaminant Source (PCS) management program. This program includes maintaining a PCS inventory, enforcing best management practices (BMPs), and conducting regular inspections. NHDES provides oversight, while local entities manage compliance and enforcement