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US Pollution Hotspots

The most severely contaminated communities in the United States — documented by the EPA, investigative journalists, and environmental justice organizations. Many are the direct result of regulatory failure and environmental racism.

12 locations
🏭

Cancer Alley

Louisiana (St. James to Baton Rouge)
aircritical

An 85-mile stretch along the Mississippi River between Baton Rouge and New Orleans is home to over 150 petrochemical pla...

🌾

Kettleman City

Kings County, California
aircritical

A small, predominantly Latino farming community surrounded by industrial facilities including the largest hazardous wast...

☢️

Navajo Nation Uranium Mines

Arizona, New Mexico, Utah
dumpingcritical

Over 500 abandoned uranium mines on Navajo Nation land continue to contaminate water and soil with radioactive material....

🚰

Flint, Michigan

Genesee County, Michigan
watercritical

In 2014, the city switched its water source to the Flint River to save money. Corrosive water leached lead from aging pi...

Superfund Sites — Houston Ship Channel

Harris County, Texas
watercritical

The Houston Ship Channel is one of the most industrialized waterways in the US, lined with refineries, chemical plants, ...

🏘️

East Chicago Lead Contamination

Lake County, Indiana
dumpingcritical

Residents of the West Calumet Housing Complex lived on top of a former lead smelter Superfund site for decades without b...

Appalachian Coal Ash Ponds

Tennessee, Virginia, West Virginia
waterhigh

Coal ash — the toxic residue from burning coal — is stored in unlined ponds across Appalachia. The 2008 Kingston TVA spi...

🏚️

Mossville, Louisiana

Calcasieu Parish, Louisiana
airhigh

A historically Black community founded by freed slaves, Mossville was surrounded by 14 industrial facilities including v...

💧

Hinkley Groundwater Contamination

San Bernardino County, California
waterhigh

Pacific Gas & Electric contaminated the groundwater in Hinkley with hexavalent chromium (chromium-6) from a compressor s...

🧪

Anniston PCB Contamination

Calhoun County, Alabama
dumpinghigh

Monsanto produced PCBs in Anniston for decades, dumping waste in open-pit landfills and discharging into local creeks. I...

🌵

Navajo Generating Station Fallout

Page, Arizona
airhigh

The Navajo Generating Station, one of the largest coal plants in the US, operated near the Grand Canyon and Navajo Natio...

🚂

East Palestine Train Derailment

Columbiana County, Ohio
dumpinghigh

In February 2023, a Norfolk Southern freight train carrying vinyl chloride and other hazardous chemicals derailed and ca...