Mississippi Flood Control Act of 1928

Mississippi Flood Control Act of 1928
Name	Mississippi Flood Control Act of 1928
Enacted	1928
Enacted by	United States Congress
Signed by	Calvin Coolidge
Affected	Mississippi River
Introduced by	William R. Green
Status	enacted

Mississippi Flood Control Act of 1928 was landmark United States federal legislation responding to the catastrophic Great Mississippi Flood of 1927 and establishing a comprehensive regime for levee construction, floodway design, and river engineering on the Mississippi River. The Act authorized the United States Army Corps of Engineers to implement structural works, shaped subsequent statutes such as the Flood Control Act of 1936 and the Rivers and Harbors Act, and influenced public policy debates involving figures like Herbert Hoover and institutions including the Federal Emergency Relief Administration, Tennessee Valley Authority, and the National Flood Insurance Program.

Background and Legislative Context

The Act emerged after the Great Mississippi Flood of 1927, which devastated Mississippi Delta, Louisiana, and Arkansas regions and propelled political actors such as Herbert Hoover, Calvin Coolidge, and congressional leaders like Henry T. Rainey into action. Advocacy from engineers at the United States Army Corps of Engineers, reformers linked to the Red Cross (United States) and officials from the State of Mississippi created pressure following reports by the Mississippi River Commission and studies influenced by engineers associated with George Washington Goethals and the legacy of the Panama Canal. Congressional debate intersected with competing interests represented by representatives from Missouri, Tennessee, and Louisiana and legal advisors invoking precedents from the Supreme Court of the United States.

Provisions and Engineering Measures

The Act authorized construction of levees, floodways, cutoffs, channel improvements, and diversion structures along the Mississippi River and its tributaries, assigning planning and execution to the United States Army Corps of Engineers and consulting agencies such as the United States Geological Survey and the Bureau of Reclamation. It specified design standards for levee height, spillway dimensions, and channelization informed by contemporary practice used in projects like the Eads Bridge and inspired by river training works on the Rhine River and interventions by engineers trained at institutions such as Massachusetts Institute of Technology and United States Military Academy. The Act delegated authority to create regulated floodways analogous to later works including the Morganza Spillway and authorized acquisition of lands and easements through negotiation or condemnation following precedents in cases connected to Eminent domain in the United States.

Funding and Administration

Funding mechanisms in the Act relied on congressional appropriations overseen by committees including the House Committee on Rivers and Harbors and the Senate Committee on Commerce, Science, and Transportation (United States Senate Committee on Commerce), with expenditures administered by the United States Army Corps of Engineers and audited by the United States General Accounting Office (now Government Accountability Office). The statute created a framework for cost-sharing between federal authorities and affected states such as Louisiana, Arkansas, and Mississippi and set procurement and contracting standards consistent with practices later codified in the Federal Acquisition Regulation and influenced by contracting norms from agencies like the Works Progress Administration.

Impact on Flood Control Policy and Infrastructure

The Act reshaped national flood policy by establishing federal primacy over major riverine flood control, affecting subsequent legislation including the Flood Control Act of 1936, the Water Resources Development Act, and programs administered by the Army Corps of Engineers. It accelerated large-scale infrastructure projects including levee systems, floodways, and channel improvements that changed navigation and commerce dynamics on the Mississippi River and influenced port facilities at New Orleans, Memphis, Tennessee, and St. Louis, Missouri. The Act's engineering approach informed hydrological practice at institutions like the National Oceanic and Atmospheric Administration and professional societies such as the American Society of Civil Engineers.

Social and Economic Effects

The Act’s emphasis on levees and structural control had profound effects on communities in the Mississippi Delta, displacing agricultural laborers, altering plantation economies tied to crops like cotton, and influencing migration patterns that fed the Great Migration to cities such as Chicago and St. Louis, Missouri. Federal works contracted with firms like those based in New York City and Chicago, Illinois reshaped local labor markets and interacted with relief programs such as the Civilian Conservation Corps. Economic impacts rippled through commodity markets centered in New Orleans and Memphis, Tennessee, while social consequences affected African American populations and political movements connected to leaders like Huey Long and civil rights organizations including the National Association for the Advancement of Colored People.

Legal Challenges and Constitutional Issues

The Act raised constitutional issues concerning federal authority and state sovereignty, invoking doctrines debated in cases before the Supreme Court of the United States and relying on congressional powers exercised under the United States Constitution’s appropriation and commerce provisions. Litigation and disputes over land takings and compensation referred to precedents such as Pennsylvania Coal Co. v. Mahon and later influenced jurisprudence on regulatory takings like in Penn Central Transportation Co. v. New York City. Questions about federal liability for levee failures and interstate impacts anticipated controversies adjudicated in suits involving interstate water rights and remedial obligations enforced through federal courts including the United States Court of Appeals for the Fifth Circuit.

Long-term Environmental Consequences

The structural, levee-centered strategy authorized by the Act produced long-term environmental effects on ecosystems in the Mississippi River Delta, including reduced sediment deposition in wetlands near Louisiana, altered fish and wildlife habitats within the Atchafalaya Basin, and changed nutrient fluxes impacting the Gulf of Mexico and hypoxic zones monitored by the National Oceanic and Atmospheric Administration. The engineered channelization and floodway projects influenced later conservation efforts by agencies such as the United States Fish and Wildlife Service and informed environmental policy debates leading to legislation like the National Environmental Policy Act and restoration initiatives involving the Coastal Wetlands Planning, Protection and Restoration Act.

Category:1928 in American law Category:Mississippi River