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Rio De La Plata at Highway 2 near Toa Alta water level

River gauge, Rio De La Plata, Puerto Rico, United States

Directions

Right now

Normal for late October

Water level

3.83ft Down 0.15 ft over the last 24 hours

Flow
93.1 cfs
0 13 25 38 Highest onrecord 37.40 ft Minor floodstage 16.00 ft

History

History
46ftOct 16Oct 17Oct 18Oct 19Oct 2146ftOct 16Oct 18Oct 21
2468ftSep 22Sep 29Oct 6Oct 13Oct 212468ftSep 22Oct 6Oct 21
51015ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026Minor flood stage51015ftOct 2025Apr 2026Oct 2026Minor flood stage
2468ftJanMarMayJulSepNov20262468ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The Rio De La Plata at Highway 2 near Toa Alta is at 3.83 ft, in the normal range for late October.

That puts it 0.12 ft above the median of 3.71 ft for late October, based on 38 years of readings. It is 12.17 ft below the flood stage of 16.00 ft. A year ago it stood at 3.55 ft (+0.28 ft).

It has dropped 0.15 ft over the past 24 hours. In the last month it has stayed between 3.37 ft and 4.18 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Compared with 38 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
3.71 ft0.12 ft above the median for this date
Normal for this date
2.39 ft – 6.35 ft8 years in 10 fall in this range (38 years of records)
Same day last year
3.55 ft+0.28 ft
Lowest and highest in 30 days
3.37 ft – 4.18 ft
Lowest and highest in 12 months
3.26 ft – 8.70 ft
Highest on record
37.40 ftSeptember 13, 1928

Floating and fishing near Rio De La Plata at Highway 2 near Toa Alta

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 16.00 ft, 12.17 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

22.04 ft
Road PR-2 flooded-Rio Lajas out of its banks.Barrio Chorro de Maguayo flooded.
21.00 ft
Flooding along PR-2, around km 2.8, affecting Puente La Virgencita. 9/24 erg
18.53 ft
Flooding in: PR-165, in front of Urb Lagos De Plata, Sector El 26, Villa Calma, Urb Las Gaviotas, Mansion del MarIn Dorado: Flooding in Barrio Mameyal, Sector Costa del Oro.
3.83 ft
Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

RankLevelDate
137.40 ftSeptember 13, 1928
236.35 ftSeptember 6, 1960
334.40 ftJune 16, 1943
434.00 ftOctober 9, 1970
533.08 ftAugust 27, 1961
631.72 ftAugust 31, 1979
730.08 ftNovember 9, 1969
828.56 ftSeptember 20, 2017
927.33 ftSeptember 10, 1996
1026.78 ftSeptember 19, 2022

Weather at the gauge

Rain in the last 3 days: 0.68 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 88° 72° 0.14 in, 100% Wind 5 mph
21 Wed 91° 70° 0.15 in, 63% Wind 7 mph
22 Thu 88° 72° 0.15 in, 75% Wind 6 mph
23 Fri 90° 72° 0.06 in, 54% Wind 7 mph
24 Sat 89° 75° 0.05 in, 63% Wind 10 mph
25 Sun 91° 75° – Wind 7 mph
26 Mon 88° 73° 0.02 in, 63% Wind 6 mph

Forecast: Open-Meteo

Sunrise 06:21 AM Sunset 05:59 PM Daylight 11 hr, 38 min Waxing gibbous 74%

Map

Other gauges on the Rio De La Plata

Gauge Level Compared with normal 24 hours Distance
Rio De La Plata at CayeyRiver gauge, Rio De La Plata 3.66 ft Very low −0.04 ft 21 mi
Rio De La Plata at Proyecto La PlataRiver gauge, Rio De La Plata 10.02 ft Normal ±0 18 mi
Rio De La Plata at ComerioRiver gauge, Rio De La Plata 5.33 ft Normal −0.02 ft 13 mi
Rio De La Plata below Represa ComerioRiver gauge, Rio De La Plata 5.53 ft No reference yet −0.32 ft 10 mi
Rio De La Plata below La Plata DamsiteRiver gauge, Rio De La Plata 6.99 ft Low +0.13 ft 4.8 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Rio Corozal at CorozalRiver gauge, Rio Corozal 4.54 ft Normal −0.04 ft 6.1 mi
Rio Cibuco at Vega BajaRiver gauge, Rio Cibuco 5.31 ft Normal +0.53 ft 8 mi
Rio Guadiana near Guadiana, NaranjitoRiver gauge, Rio Guadiana 1.63 ft Very low +0.03 ft 8 mi
Quebrada Santa Catalina near GuaynaboRiver gauge, Quebrada Santa Catalina 1.00 ft Very low +0.07 ft 9 mi
Rio De Bayamon near BayamonRiver gauge, Rio De Bayamon 1.80 ft Low ±0 10 mi
Qda. Margarita at Caparra Inter. near GuaynaboRiver gauge, Qda. Margarita 2.69 ft Very low −0.03 ft 10 mi
Quebrada Josefina at Pinero AvenueRiver gauge, Quebrada Josefina 1.47 ft Below flood stage −0.04 ft 12 mi
Rio Grande De Manati at Highway 155 near MorovisRiver gauge, Rio Grande De Manati 2.98 ft Very low −0.25 ft 12 mi

Questions and answers

How does the Rio De La Plata at Highway 2 near Toa Alta compare with last year?

It is 0.28 ft higher than on the same day last year, when the reading was 3.55 ft.

What is flood stage for the Rio De La Plata at Highway 2 near Toa Alta?

The official flood stage is 16.00 ft. The level is currently 12.17 ft below it.

What is a normal level for the Rio De La Plata at Highway 2 near Toa Alta in late October?

The median for late October is 3.71 ft. In 8 years out of 10 the reading falls between 2.39 ft and 6.35 ft, based on 38 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Rio De La Plata at Highway 2 near Toa Alta today?

On Oct 21, 2026, 12:30 AM AST, the water level was 3.83 ft. Down 0.15 ft over the last 24 hours.

Is Rio De La Plata at Highway 2 near Toa Alta rising or falling?

Down 0.15 ft over the last 24 hours. Up 0.38 ft over the last 7 days.

Is the level of Rio De La Plata at Highway 2 near Toa Alta normal?

Normal for late October. Compared with 38 years of daily readings for this time of year.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:50046000 (Agency page)
Coordinates
18.41159, -66.26096 (WGS84)
Vertical datum
PRVD02
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 3.83 ft 2026-10-21 04:30 Provisional
Flow 93.1 cfs 2026-10-21 04:30 Provisional

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How to cite

U.S. Geological Survey: Rio De La Plata at Highway 2 near Toa Alta (usgs:50046000). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/rio-de-la-plata-at-highway-2-near-toa-alta

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.