‘A hidden threat’: San Mateo lawmaker warns of rising groundwater risks, seeks study funding
A Bay Area lawmaker is pushing for new federal legislation to study the threat rising groundwater poses — a hidden but growing environmental danger that experts say could worsen flooding , damage infrastructure, and contaminate drinking water. U.S. Rep. Kevin Mullin, D-San Mateo, last month introduced the Groundwater Rise and Infrastructure Preparedness Act of 2025, a bipartisan bill co-authored with Rep. Andrew Garbarino, R-N.Y., that seeks $5 million in initial funding to assess the risks rising groundwater poses to public health and critical infrastructure like roads, utilities, and sewer systems. The measure would also support the development of long-term mitigation strategies. Mullin held a press conference Tuesday morning in South San Francisco to discuss his new legislation and the region’s flood and groundwater rise threats with local environmental and government leaders. “As we continue to witness the devastating and deadly impacts of flooding across America, we need to hel...