Sarah Kominek

Hawaii experienced its worst flooding in two decades due to consecutive Kona low storms, overwhelming stormwater systems, causing wastewater spills, and raising concerns about aging dam infrastructure.

Heavy rainfall and snowmelt have caused flooding and a culvert washout on M-119, disrupting travel. Authorities are implementing detours and evaluating slope stabilization measures.

Following a 1,000-year storm in August 2025 that caused more than $200 million in private property damage, MMSD is accelerating four flood management projects and joining a new regional task force to address $900 million in identified flood mitigation needs.

Charleston, S.C., plans to acquire properties in flood-prone areas, converting them into green spaces and stormwater infrastructure, with funding from HUD and FEMA grants.

Douglas County, Nevada is advancing a proposed countywide stormwater utility, with a vote on fee structures expected as soon as May 28.

From Interstate 70 closures in Missouri to golf-ball-sized hail in Salina, Kansas, a four-day severe weather outbreak overwhelmed roads, drainage systems and emergency responders across the region.

Camp Mystic won't reopen this summer following hearings on the Guadalupe River flood that killed more than 130 people and exposed critical gaps in Texas's flood warning infrastructure, gaps the state is now spending millions to fix.

Featuring examples from Houston and Buffalo, the discussion highlights scalable, practical flood-control technologies that improve infrastructure management, reduce risks, and save lives through smarter decision-making.

Residents affected by past floods call for urgent investment in stormwater infrastructure, emphasizing that current funding levels are insufficient to address the city's growing flood risks and aging systems.

MS4 permit requirements are pushing green infrastructure into mainstream stormwater planning. The engineering challenge is making it work alongside gray systems.