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Daily Water Watch: Carraízo Rises to 37.14 m

Published Aug 31, 2026, 6:02 AM AST787daily · Original analysis

At a glance

  • Carraízo rose 7 cm to 37.14 m (ajustes band) — 0.14 m above the control line
  • La Plata fell 5 cm to 44.67 m (ajustes band) — 4.17 m above the control line
  • Day 24 of the metro rotation that began Aug 8; levels are read each morning from AAA’s own 5:00 AM chart for our reservoir board

Why this matters: The number that matters is the gap to the next band line: 0.14 m for Carraízo, 4.17 m for La Plata. Straight-line dates move every day — the daily check is the point.

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Day 24 of the metro rotation. This morning’s 5:00 chart from the Autoridad de Acueductos y Alcantarillados shows Carraízo at 37.14 meters — up 7 centimeters from yesterday, and La Plata at 44.67 meters — down 5 centimeters from yesterday.

This is the 21th entry in our daily chart check (yesterday’s is here), built the same way every morning — from AAA’s own numbers, read off its charts for our reservoir board.

Carraízo: a rise

Carraízo gained ground overnight. This morning’s chart puts it at 37.14 meters — up 7 centimeters from yesterday, in the ajustes band. The next line on the chart — into the control band — sits at 37.00 meters, 0.14 meters below this morning’s reading.

control line · 37.00 m 37.69 37.14 — today ▲
Carraízo since Aug 18 (meters above sea level), against the control line. Data: AAA Monitoreo Diario.

Carraízo · August 31

Level today
37.14 mband: ajustes
Change since yesterday
+7 cm
To the control line
0.14 mline at 37.00 m
At the current pace
rising

La Plata: down 5 cm

La Plata kept sliding. This morning’s chart puts it at 44.67 meters — down 5 centimeters from yesterday, in the ajustes band. The next line on the chart — into the control band — sits at 40.50 meters, 4.17 meters below this morning’s reading.

If your water comes from La Plata — Dorado, Guaynabo, Naranjito, Toa Alta, Toa Baja, Vega Alta, Bayamón, Cataño, Corozal — this is the reservoir to watch; AAA lists 130,828 client accounts on it.

control line · 40.50 m 45.71 44.67 — today ▼ at the current ~5 cm/day pace
La Plata since Aug 18 (meters above sea level), against the control line. Data: AAA Monitoreo Diario.

La Plata · August 31

Level today
44.67 mband: ajustes
Change since yesterday
-5 cm
To the control line
4.17 mline at 40.50 m
At the current pace
months awaythe decline is very shallow

The other rationing reservoir

Cidra · August 31

Level today
400.06 mband: ajustes
Change since yesterday
+4 cm
To the control line
1.69 mline at 398.37 m
At the current pace
rising

Numbers from AAA’s Monitoreo Diario chart of Aug 31, read each morning for our reservoir board — where the levels, the bands, and the live rain gauges update daily. Day counts start Aug 8, when the metro rotation took effect. Straight-line dates are arithmetic, not forecasts.

In context

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Source: 787daily, “Daily Water Watch: Carraízo Rises to 37.14 m”, Aug 31, 2026 — https://787daily.com/news/2026-08-31-daily-water-watch-carraizo-rises-to-37-14-meters/

Numbers from
AAA's 5 AM reservoir chart, validated daily
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