🛠️ Invention or technique

Huehuetoca drainage (Nochistongo tunnel and cut)

Desagüe de Huehuetoca (túnel y tajo de Nochistongo)

Date
1607-1609 · confidence high
Place
Huehuetoca, State of Mexico, Mexico
Credited to
Enrico Martínez (Heinrich Martin)
Field
Tools

What it is

A hydraulic engineering work that diverted the rivers of the northern Valley of Mexico out of the basin to protect the capital from floods after the one in 1604. A tunnel of about 6.5 km later became a great open cut.

The original tunnel silted up and partly collapsed; the open cut was completed in 1789. Enrico Martínez was also a cosmographer and printer.

What it led to

  • Progressive drying of lakes Texcoco and Zumpango
  • A work continued for centuries (Nochistongo Cut, 1789)
  • Transformation of the lake landscape of old Tenochtitlan
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Sources✓ verified 2026-11-04