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Levee owners warn flow frequency studies could change flood profiles and threaten accreditation, insurance and property values
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Summary
Levee operators and flood‑control advocates told the House subcommittee that releasing updated flow frequency study results without paired mitigation can alter flood profiles, risking levee PL 84‑99 accreditation, increasing insurance costs and depressing property values across affected river systems.
Levee owners and flood‑protection advocates told the House Transportation and Infrastructure subcommittee that the release of flow frequency studies must be paired with concrete solutions to avoid unintended harm to local communities.
Charles Camillo, executive vice president of the Midwest Flood Control Association, warned that a reissued flood profile could change accredited flood lines for levee districts along the Upper Mississippi and Missouri Rivers and have serious financial consequences for agriculture and municipalities. "Releasing new profiles without actual solutions will impact levee accreditation and cause significant increases in flood insurance rates and significant decreases in property values," he said.
Camillo cited the 1993 Great Flood as evidence of the stakes: he said the event caused an estimated $15 billion to $20 billion in economic damages and that existing federal infrastructure prevented an even larger loss. He and other witnesses urged Congress to restore or strengthen local advisory structures — including a proposed levee owners advisory board — to ensure local operators have input and that studies are accompanied by actionable mitigations.
Members pressed witnesses on how section 408 permissions and other Corps processes are being interpreted on the Upper Mississippi and whether those interpretations limit practical options for levee raises or repairs. Witnesses said high contingencies, unfunded mandates and lengthy study timelines can make required engineering fixes unaffordable for local districts and can incentivize withdrawal from federal programs.
The subcommittee heard multiple recommendations: increase transparency and stakeholder input in study and implementation phases, reduce unnecessary procedural delays, examine the interpretation of section 408 permissions in relevant basins, and target assistance to rural levy districts that lack local funding capacity.
The committee kept the record open for additional submissions and did not take formal votes on policy changes during the hearing.
