PA SB1157

Amends the Hazardous Sites Cleanup Act to create new Chapter 6 establishing mandatory spill response requirements for hazardous substance discharges, including petroleum and pipeline releases, that threaten residential areas and private drinking water supplies

Imposes strict, joint and several liability on responsible persons (owners, operators, transporters) to immediately contain, clean up, and remove discharges, with mandatory timelines including 30-day preliminary assessments and 90-day remedial investigations

Authorizes the Department of Environmental Protection to issue written or oral directives, enter property for response actions, and recover all cleanup costs from responsible parties, with treble damages (up to 3x costs) for noncompliance with directives

Requires cleanup in residential areas to meet unrestricted residential use standards protecting groundwater, preventing soil contact exposure, and addressing vapor intrusion, with limits on using institutional controls as sole remedies

Establishes a public information portal for residents affected by discharges and directs recovered funds and civil penalties to the Hazardous Sites Cleanup Fund; takes effect in 60 days