The bill would only require spills be reported if they violate water quality standards or are reportable under federal rules. Currently, a spill of any size must be reported.
Extreme weather has been cited more and more frequently as a contributing cause in serious marine accidents at a time when shipping of hazardous materials like crude oil is increasing.
The Trump administration's rollback exempts some coal-fired power plants from Obama-era rules for wastewater containing toxins like mercury, arsenic and selenium.
AG Shapiro filed 15 criminal charges, including nine felonies, after more than a decade since Cabot's fracking activities caused well water contamination.
New York and New Jersey have used a provision of the Clean Water Act to halt pipeline projects carrying shale gas from Pennsylvania across state lines.
