This morning’s 5:00 chart from AAA shows Carraízo at 40.85 meters, up 15 centimeters from yesterday. La Plata is at 41.78 meters, down 5 centimeters from yesterday.
Service today
Day 91 of the metro rotation, the San Juan area’s rationing schedule, with interruptions paused since September 2, and AAA has not canceled it.
AAA’s Cedro Arriba plan in Naranjito: AAA’s published calendar has run out; AAA has not said what follows.
AAA has posted no plan change, open outage or water-quality notice in the last three days.
Every notice AAA posts is on the water page, in its own words.
Reservoirs
Carraízo: a rise
Carraízo gained ground overnight. This morning’s chart puts it at 40.85 meters, up 15 centimeters from yesterday, in the Safe band (Seguridad). The next line on the chart, into the Watch band (Observación), sits at 39.70 meters, 1.15 meters below this morning’s reading.
Show the numbers
- Sep 7, 38.87 m, Watch
- Sep 8, 38.83 m, −4 cm, Watch
- Sep 9, 39.02 m, +19 cm, Watch
- Sep 10, 39.07 m, +5 cm, Watch
- Sep 11, 39.20 m, +13 cm, Watch
- Sep 12, 39.19 m, −1 cm, Watch
- Sep 13, 39.14 m, −5 cm, Watch
- Sep 14, 39.16 m, +2 cm, Watch
- Sep 15, 39.25 m, +9 cm, Watch
- Sep 16, 39.23 m, −2 cm, Watch
- Sep 17, 40.06 m, +83 cm, Safe
- Sep 18, 40.64 m, +58 cm, Safe
- Sep 19, 40.80 m, +16 cm, Safe
- Sep 20, 40.81 m, +1 cm, Safe
- Sep 21, 40.79 m, −2 cm, Safe
- Sep 22, 40.75 m, −4 cm, Safe
- Sep 23, 40.70 m, −5 cm, Safe
- Sep 24, 40.68 m, −2 cm, Safe
- Sep 25, 40.68 m, +0 cm, Safe
- Sep 26, 40.67 m, −1 cm, Safe
- Sep 27, 40.63 m, −4 cm, Safe
- Sep 28, 40.58 m, −5 cm, Safe
- Sep 29, 40.53 m, −5 cm, Safe
- Sep 30, 40.51 m, −2 cm, Safe
- Oct 1, 40.47 m, −4 cm, Safe
- Oct 2, 40.60 m, +13 cm, Safe
- Oct 3, 40.70 m, USGS gauge at 5 AM, Safe
- Oct 4, 40.74 m, +4 cm, Safe
- Oct 5, 40.72 m, −2 cm, Safe
- Oct 6, 40.69 m, −3 cm, Safe
- Oct 7, 40.65 m, −4 cm, Safe
- Oct 8, 40.88 m, +23 cm, Safe
- Oct 9, 40.94 m, +6 cm, Safe
- Oct 10, 40.91 m, −3 cm, Safe
- Oct 11, 40.96 m, +5 cm, Spilling
- Oct 12, 40.86 m, −10 cm, Safe
- Oct 13, 40.90 m, +4 cm, Safe
- Oct 14, 40.94 m, +4 cm, Safe
- Oct 15, 40.85 m, −9 cm, Safe
- Oct 16, 40.87 m, +2 cm, Safe
- Oct 17, 40.85 m, −2 cm, Safe
- Oct 18, 40.85 m, +0 cm, Safe
- Oct 19, 40.87 m, +2 cm, Safe
- Oct 20, 40.86 m, −1 cm, Safe
- Oct 21, 40.88 m, +2 cm, Safe
- Oct 22, 40.85 m, −3 cm, Safe
- Oct 23, 40.81 m, −4 cm, Safe
- Oct 24, 40.77 m, −4 cm, Safe
- Oct 25, 40.75 m, −2 cm, Safe
- Oct 26, 40.75 m, +0 cm, Safe
- Oct 27, 40.73 m, −2 cm, Safe
- Oct 28, 40.77 m, +4 cm, Safe
- Oct 29, 40.76 m, −1 cm, Safe
- Oct 30, 40.75 m, −1 cm, Safe
- Oct 31, 40.72 m, −3 cm, Safe
- Nov 1, 40.74 m, +2 cm, Safe
- Nov 2, 40.72 m, −2 cm, Safe
- Nov 3, 40.72 m, +0 cm, Safe
- Nov 4, 40.70 m, −2 cm, Safe
- Nov 5, 40.85 m, +15 cm, Safe
- Oct 30, 0.16 in of rain
- Oct 31, 0.45 in of rain
- Nov 1, 0.16 in of rain
- Nov 2, 0.21 in of rain
- Nov 3, 0.01 in of rain
- Nov 4, 2.2 in of rain
Carraízo, November 5
- Level today
- 40.85 mSafe band
- Change since yesterday
- +15 cm
- To the Watch line
- 1.15 mline at 39.70 m
- This morning
- rising
La Plata: down 5 cm
La Plata kept sliding. This morning’s chart puts it at 41.78 meters, down 5 centimeters from yesterday, in the Adjustments band (Ajustes). The next line on the chart, into the Control band, sits at 40.50 meters, 1.28 meters below this morning’s reading. At this week’s pace that is about 16 days away (at this pace, November 21: 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.
Show the numbers
- Sep 7, 44.46 m, Adjustments
- Sep 8, 44.40 m, −6 cm, Adjustments
- Sep 9, 44.32 m, −8 cm, Adjustments
- Sep 10, 44.24 m, −8 cm, Adjustments
- Sep 11, 44.14 m, −10 cm, Adjustments
- Sep 12, 44.25 m, +11 cm, Adjustments
- Sep 13, 44.26 m, +1 cm, Adjustments
- Sep 14, 44.40 m, +14 cm, Adjustments
- Sep 15, 44.46 m, +6 cm, Adjustments
- Sep 16, 44.40 m, −6 cm, Adjustments
- Sep 17, 44.36 m, −4 cm, Adjustments
- Sep 18, 44.40 m, +4 cm, Adjustments
- Sep 19, 44.61 m, +21 cm, Adjustments
- Sep 20, 44.66 m, +5 cm, Adjustments
- Sep 21, 44.70 m, +4 cm, Adjustments
- Sep 22, 44.72 m, +2 cm, Adjustments
- Sep 23, 44.68 m, −4 cm, Adjustments
- Sep 24, 44.63 m, −5 cm, Adjustments
- Sep 25, 44.56 m, −7 cm, Adjustments
- Sep 26, 44.47 m, −9 cm, Adjustments
- Sep 27, 44.39 m, −8 cm, Adjustments
- Sep 28, 44.31 m, −8 cm, Adjustments
- Sep 29, 44.22 m, −9 cm, Adjustments
- Sep 30, 44.13 m, −9 cm, Adjustments
- Oct 1, 44.04 m, −9 cm, Adjustments
- Oct 2, 43.96 m, −8 cm, Adjustments
- Oct 3, 43.87 m, USGS gauge at 5 AM, Adjustments
- Oct 4, 43.79 m, −8 cm, Adjustments
- Oct 5, 43.71 m, −8 cm, Adjustments
- Oct 6, 43.70 m, −1 cm, Adjustments
- Oct 7, 43.68 m, −2 cm, Adjustments
- Oct 8, 43.62 m, −6 cm, Adjustments
- Oct 9, 43.54 m, −8 cm, Adjustments
- Oct 10, 43.52 m, −2 cm, Adjustments
- Oct 11, 43.50 m, −2 cm, Adjustments
- Oct 12, 43.45 m, −5 cm, Adjustments
- Oct 13, 43.45 m, +0 cm, Adjustments
- Oct 14, 43.50 m, +5 cm, Adjustments
- Oct 15, 43.47 m, −3 cm, Adjustments
- Oct 16, 43.39 m, −8 cm, Adjustments
- Oct 17, 43.29 m, −10 cm, Adjustments
- Oct 18, 43.18 m, −11 cm, Adjustments
- Oct 19, 43.07 m, −11 cm, Adjustments
- Oct 20, 43.00 m, −7 cm, Adjustments
- Oct 21, 43.06 m, +6 cm, Adjustments
- Oct 22, 42.97 m, −9 cm, Adjustments
- Oct 23, 42.87 m, −10 cm, Adjustments
- Oct 24, 42.76 m, −11 cm, Adjustments
- Oct 25, 42.64 m, −12 cm, Adjustments
- Oct 26, 42.52 m, −12 cm, Adjustments
- Oct 27, 42.40 m, −12 cm, Adjustments
- Oct 28, 42.28 m, −12 cm, Adjustments
- Oct 29, 42.27 m, −1 cm, Adjustments
- Oct 30, 42.27 m, +0 cm, Adjustments
- Oct 31, 42.20 m, −7 cm, Adjustments
- Nov 1, 42.12 m, −8 cm, Adjustments
- Nov 2, 42.04 m, −8 cm, Adjustments
- Nov 3, 41.94 m, −10 cm, Adjustments
- Nov 4, 41.83 m, −11 cm, Adjustments
- Nov 5, 41.78 m, −5 cm, Adjustments
- Oct 30, 0.16 in of rain
- Oct 31, 0.38 in of rain
- Nov 1, 0.02 in of rain
- Nov 2, 0.05 in of rain
- Nov 3, 0.01 in of rain
- Nov 4, 0.59 in of rain
- Nov 5, 0.01 in of rain
La Plata, November 5
- Level today
- 41.78 mAdjustments band
- Change since yesterday
- −5 cm
- To the Control line
- 1.28 mline at 40.50 m
- At this week's pace
- about 16 daysat this pace: November 21
Cidra: the other rationing reservoir
- Level today
- 400.82 mWatch band
- Change since yesterday
- +24 cm
- To the Adjustments line
- 0.59 mline at 400.23 m
- This morning
- rising
Outlook
What the numbers say
Over the past week Carraízo has been rising an average of 1.7 cm a day. Since the rotation began 90 days ago it has gained 321 cm, from 37.64 m. It sits 1.15 m above the Watch line (the next band down), at 40.85 m in the Safe band. If this week’s rise held, the level would climb into the Spilling band (Desborde) above (line at 40.95 m) in about 6 days, around November 11. Gauges USGS runs nearby recorded 3.19 in of rain this week, most of it November 4 (2.2 in). After the 2.2 in on November 4, the next morning’s reading was +15 cm.
Over the past week La Plata has been falling an average of 8.2 cm a day, about the same pace as the week before (10 cm a day). That is 6 straight mornings lower, -49 cm in all. Since August 7 it has lost 477 cm, from 46.55 m. It sits 1.28 m above the Control line (the next band down), at 41.78 m in the Adjustments band. At this week’s pace the Control line (40.50 m) is about 16 days away, around November 21; arithmetic, not a forecast. Gauges USGS runs nearby recorded 1.22 in of rain this week; the wettest day was November 4 (0.59 in). After the 0.59 in on November 4, the next morning’s reading was -5 cm.
Over the past week Cidra has been rising an average of 3.8 cm a day. Since August 7 it has gained 65 cm, from 400.17 m. It sits 0.59 m above the Adjustments line (the next band down), at 400.82 m in the Watch band. If this week’s rise held, the level would climb into the Safe band above (line at 401.71 m) in about 23 days, around November 29. Gauges USGS runs nearby recorded 2.94 in of rain this week, most of it November 4 (2.1 in). After the 2.1 in on November 4, the next morning’s reading was +24 cm.
What to watch
- Carraízo: whether the rise survives a dry week. This week’s gain came with 3.19 in of rain nearby.
- La Plata: the Control line is inside three weeks at this pace; a band change there would be the next real news.
- Cidra: whether the rise survives a dry week. This week’s gain came with 2.94 in of rain nearby.
- Naranjito: whether AAA extends its Cedro Arriba plan (the calendar runs through October 31), changes the phase or ends it.
Lake levels
The gauge USGS runs at Carraízo read 40.85 meters at 5:45 AM. The gauge USGS runs at La Plata read 41.77 meters at 5:45 AM. The gauge USGS runs at Cidra read 400.82 meters at 5:45 AM.
The gauges report every quarter hour and their readings are provisional; the bands are measured on AAA’s 5:00 chart.
Elsewhere today
- Puerto Rico Manufacturers Association and House Lawmakers Debate Taxes, Energy, Labor and Water at Joint Hearing, San Juan Daily Star
How we read the data
This is the 78th Daily Water Watch (yesterday’s is here). The levels update every morning on the water page.
Levels: AAA’s daily reservoir chart, November 5. Rain: gauges USGS runs within 12 km of each reservoir. Day counts start August 7, when the metro rotation took effect. Straight-line dates are arithmetic, not forecasts. How we report.