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Daily Water Watch: Carraízo at 37.20 m

Published Aug 28, 2026, 6:02 AM AST787daily · Original analysis

At a glance

  • Carraízo fell 6 cm to 37.20 m (ajustes band) — 0.20 m above the control line, roughly 3.3 days at the current pace
  • La Plata fell 11 cm to 44.93 m (observación band) — 0.03 m above the ajustes line, roughly 0.3 days at the current pace
  • Day 21 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: 0.20 m for Carraízo, 0.03 m for La Plata. Straight-line dates move every day — the daily check is the point.

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Day 21 of the metro rotation. This morning’s 5:00 chart from the Autoridad de Acueductos y Alcantarillados shows Carraízo at 37.20 meters — down 6 centimeters from yesterday, and La Plata at 44.93 meters — down 11 centimeters from yesterday.

This is the 18th 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: down 6 cm

Carraízo kept sliding. This morning’s chart puts it at 37.20 meters — down 6 centimeters from yesterday, in the ajustes band. The next line on the chart — into the control band — sits at 37.00 meters, 0.20 meters below this morning’s reading. At AAA’s printed pace that is roughly 3.3 days out (straight-line date: Sep 1 — a projection, not a forecast; one wet afternoon moves it).

control line · 37.00 m 37.85 37.20 — today ▼ at the current ~6 cm/day pace
Carraízo since Aug 15 (meters above sea level), against the control line. Data: AAA Monitoreo Diario.

Carraízo · August 28

Level today
37.20 mband: ajustes
Change since yesterday
-6 cm
To the control line
0.20 mline at 37.00 m
At the current pace
≈ 3.3 daysstraight-line date: Sep 1

La Plata: down 11 cm

La Plata kept sliding. This morning’s chart puts it at 44.93 meters — down 11 centimeters from yesterday, in the observación band. The next line on the chart — into the ajustes band — sits at 44.90 meters, 0.03 meters below this morning’s reading. At AAA’s printed pace that is roughly 0.3 days out (straight-line date: Aug 29 — a projection, not a forecast; one wet afternoon moves it).

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.

ajustes line · 44.90 m 45.95 44.93 — today ▼ at the current ~11 cm/day pace
La Plata since Aug 15 (meters above sea level), against the ajustes line. Data: AAA Monitoreo Diario.

La Plata · August 28

Level today
44.93 mband: observación
Change since yesterday
-11 cm
To the ajustes line
0.03 mline at 44.90 m
At the current pace
≈ 0.3 daysstraight-line date: Aug 29

The other rationing reservoir

Cidra · August 28

Level today
400.06 mband: ajustes
Change since yesterday
-1 cm
To the control line
1.69 mline at 398.37 m
At the current pace
months awaythe decline is very shallow

Numbers from AAA’s Monitoreo Diario chart of Aug 28, 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

About this analysis
Cite this

Source: 787daily, “Daily Water Watch: Carraízo at 37.20 m”, Aug 28, 2026 — https://787daily.com/news/2026-08-28-daily-water-watch-carraizo-at-37-20-meters/

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