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Tuesday, 18 March 2025 · Lisbon
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FIELD REPORT — LATAM

Mexico City's water engineers are quietly redrawing the map of a sinking metropolis — and no one in Brasília is watching.

A two-year investigation across four utility districts, leaked SACMEX memos, and 38 interviews with hydraulic engineers reveals a coordinated extraction strategy that the federal regulator has never formally acknowledged.

By Sofia Mendoza 22 min read Filed from Mexico City
A water utility engineer inspects an analogue pressure gauge inside a Mexico City pumping station.

ON THE DESK TODAY

Four reads across the sections

CITED BY

The New York Times Financial Times Bloomberg Reuters Wired The Guardian Le Monde El País Folha de S.Paulo The New York Times Financial Times Bloomberg Reuters Wired The Guardian Le Monde El País Folha de S.Paulo

WHAT YOU READ HERE, AND WHY IT ISN'T ANYWHERE ELSE

Eight to twelve original pieces a week, sourced from the rooms the press releases never reach.

Every weekday, Gawlo's editors surface the conversations that are actually moving markets, ministries and research labs — pulled from private Discord servers, niche Substacks, working-group Slack channels, and academic preprints that haven't yet been assigned a peer reviewer. Our 140 contributing analysts, spread across 31 countries, file the briefings and field reports that become your morning read.

You won't find a press release rewritten into a headline here. You'll find the document a junior staffer leaked into a Telegram group three weeks ago, traced, sourced, and translated — with the kind of context a wire service cannot justify to its editor.

Read our methodology
A journalist's desk at night with an open laptop, handwritten notes and a printed corrections page.

BY THE NUMBERS, 2024

  1. 0.4%

    Editorial correction rate across 2,847 published pieces — among the lowest in digital publishing. Every correction timestamped at gawlo.net/corrections.

    Source: Gawlo corrections ledger, full-year 2024

  2. 187,000

    Subscribers to The Gawlo Brief, grown from zero in 26 months without a dollar of paid acquisition.

    Source: Internal newsletter platform, 31 Dec 2024

  3. 412

    Times Gawlo's reporting has been cited as a primary source in mainstream outlets including the New York Times, Financial Times and Bloomberg.

    Source: Citation audit, Jun 2023 – Dec 2024

EDITORIAL STANDARDS

A corrections ledger you can audit.

Since January 2023, every correction, retraction and methodology update at Gawlo has been timestamped on a public ledger. We publish the change, the article affected, and the reason — without spinning the difference between a typo and a structural error. In 2024, our editorial correction rate across 2,847 published pieces was 0.4%. The ledger is open. Read it, and hold us to it.

Read the full ledger at gawlo.net/corrections

— Marta Quintas & Daniel Hofstetter, co-founders, Lisbon