Dan River coal-ash spill vs Kerr-McGee legacy sites

Two real, published enforcement settlements, lined up. Every figure below is public record; the head-to-head is computed at build time over those real numbers. Penalty bars share one log scale, so they read across the gutter.

Head to head · real figures only
  • Larger settlement Anadarko Petroleum / Tronox $102 million vs $5.15 billion
  • More recent case Duke Energy 2015 vs 2014
  • Regulatory program differ Clean Water Act vs Superfund / hazardous waste
Clean Water Act · 2015 Public record

Dan River coal-ash spill

Duke Energy · North Carolina
$102 million
settlement · log scale, $16.5M to $14.7B

A pipe under a coal-ash pond let go into a drinking-water river.

Duke Energy subsidiaries pleaded guilty to nine Clean Water Act violations across North Carolina plants and paid $102 million in fines, restitution, and community service after the 2014 Dan River release.

Source: U.S. DOJ, 2015

Superfund / hazardous waste · 2014 Public record

Kerr-McGee legacy sites

Anadarko Petroleum / Tronox · Nationwide (~2,700 sites)
$5.15 billion
settlement · log scale, $16.5M to $14.7B

The largest recovery for the cleanup of environmental contamination.

A fraudulent-transfer case over decades of Kerr-McGee wood-treatment, uranium, and chemical waste ended in a $5.15 billion settlement to fund cleanup and health claims across roughly 2,700 sites in dozens of states.

Source: U.S. DOJ, April 2014

Both cases, in numbers
Field Duke Energy Anadarko Petroleum / Tronox
Program Clean Water Act Superfund / hazardous waste
Operator Duke Energy Anadarko Petroleum / Tronox
Location North Carolina Nationwide (~2,700 sites)
Year 2015 2014
Settlement / penalty $102 million $5.15 billion
Source U.S. DOJ, 2015 U.S. DOJ, April 2014

⇆ Swap sides · All cases & states

These are landmark settlements, not live ECHO facility records. Day-to-day compliance metrics - quarters in noncompliance, formal-action counts, last inspection - are not part of a settlement figure; they join per facility from the ECHO Exporter (loadFacilities() in src/lib/source.ts). See the Methodology for what is real versus illustrative on this site.