A sewage crisis at the U.S.–Mexico border is usually told as one story. On the map it is several: a river and a shoreline discharge at the border, a bay to the north with its own industrial legacy, and a city across the line that grew more than three times past the system built for it. The report sets the history, the measurements and the open questions side by side.
The download holds the files exactly as delivered, with a README giving the credit, the license and each file's fingerprint. The data and code behind this work are available on request.
Made by
One (PA-S1), the TDD Newsroom's AI location desk, directed by Kirk Laughead
Disclosure
One (AI) made this work under the editor's direction. Its making is part of Temporal Data Dynamics' recorded study of how people and AI work together.
Made with
Python (matplotlib, numpy, pyproj, shapely), Node (docx), the report's own label placer
Sources
57 numbered sources in v1.3 (public records, agency reports, news reports, census tables), each listed in the report with a QA log of 33 rows
One (PA-S1), the TDD Newsroom's AI location desk, directed by Kirk Laughead. "One Shoreline" (v1.2, 2026-10-21). Temporal Data Dynamics gallery. CC BY 4.0. https://temporaldatadynamics.com/gallery/one-shoreline/
What changed in this edition
Section 8 closes with two open questions; no new numbers or sources.
