1981
Trichloroethylene (TCE), dumped in pits by Hughes Aircraft and others beginning in the 1950s, is discovered in south-side water wells and has a negative impact on the health of many people.
Exterior de la planta tratadora de agua por la contaminación con TCE.
David Sanders / Arizona Daily StarTrichloroethylene (TCE), dumped in pits by Hughes Aircraft and others beginning in the 1950s, is discovered in south-side water wells and has a negative impact on the health of many people.
Subscribe to stay connected to Tucson. A subscription helps you access more of the local stories that keep you connected to the community.
Get local news delivered to your inbox!
Some of the major historical events that have shaped Tucson.
© Copyright 2026 Arizona Daily Star, PO Box 26887 Tucson, AZ 85726-6887
A Lee Enterprises, Incorporated newspaper. Majority shareholder: David Hoffmann, Hoffmann Media Group.
Get up-to-the-minute news sent straight to your device.