San Jacinto Waste Pits’ history

1990s:

Cancer-causing dioxin found at high levels in fish.

2005:

Old paper mill pits rediscovered in San Jacinto River.

2008:

Pits approved as EPA Superfund site.

2011:

Jackie Young forms group to fight waste pit dangers. Site capped.

2015:

Harris County alleges cap has leaked and wins a $23 million settlement.

2016:

EPA holds hearings on plan to permanently remove pits from river.

September:

EPA announces pits again leaked dioxin after Hurricane Harvey.

October:

Removal plan approved by EPA.