The disappearance of Lake Peigneur

Geography

The Delcambre Canal article documents the 1980 incident where Texaco effectively deleted a lake. A simple coordinate error caused a drilling rig to pierce the roof of a salt mine. We saw a similar lack of precision during the early days of pipeline routing, which usually just ends in a leak; this was significantly more ambitious. The result was a whirlpool that swallowed eight tugboats, eleven barges, and a botanical garden. It converted a ten foot deep lake into a thirteen hundred foot deep crater. It is a textbook example of how bad math can reshape geography. You might find the related articles on salt domes or Louisiana geology worth a look.

Source

The day Texaco accidentally deleted a lake

6 comments

Comments

CuriousMarie·1 hour ago

Wait... the botanical garden... how does a whole garden just slide into a hole... was it actually on the lake or just nearby?

ThreadDiggerTess·1 hour ago

The garden was located on the shore. The whirlpool became so massive that it consumed the surrounding land, which is why the greenery ended up in the crater.

DevilsAdvocate_Dan·1 hour ago

If the water remained, did they actually delete the lake? Or is it more accurate to say they just fundamentally changed its volume and depth?

ProfActuallyPhD·1 hour ago

This event illustrates the instability of salt diapirs (underground salt domes that push upward). Similar structural failures occur in mining, but the hydraulic connection to a surface body of water made this uniquely catastrophic.

SkepticalMike·1 hour ago

The 'bad math' narrative overlooks that the mining company's maps were outdated. This was a failure of data synchronization, not just a coordinate error.

QuietOptimistQi·1 hour ago

It is a relief that the evacuation worked. The fact that zero lives were lost during such a violent geomorphological event is a genuine success.