reservoirs.earth logo
Reservoirs.EARTH
GRANDE
FullHydroelectric

IGARAPAVA

São Paulo · GRANDE

Capacity

480 hm³

Coordinates

-19.990°N, 47.754°W

Operator

ONS

105.0% full

Current fill

105.0%
Full

vs 7 days ago

+5.0%

gaining

vs 1 year ago

+50.5%

year-over-year

7-day trend

rising

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity480 hm³
Usable capacity14.61 hm³
Primary useHydroelectric
OperatorONS
RiverGRANDE
ProvinceSão Paulo
River basinGRANDE
Data source:ONS – Operador Nacional do Sistema Elétrico·Last reading: 2026-07-28

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -19.990, -47.754 · Open in Google Maps

About IGARAPAVA

As of July 28, 2026, IGARAPAVA is filled to 105.0% of its total capacity, holding roughly 15 hm³ of water out of a maximum 480 hm³. At this level the reservoir is effectively full. Of that total, about 15 hm³ is usable (live) storage.

Over the most recent week on record the fill level has risen by 5.0 percentage points, and it is 50.5 points above its level on the same date a year earlier.

Across the readings we hold for IGARAPAVA — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 2.5% (October 17, 2025) to a high of 105.0% (July 28, 2026). On average the reservoir is fullest around April and at its lowest around November.

It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 19.990°S, 47.754°W.

Key facts

Current fill level
105.0%
Water stored
15 hm³
Total capacity
480 hm³
Usable capacity
15 hm³
7-day change
▲ 5.0 pts
Year-on-year
▲ 50.5 pts
Primary use
Hydroelectric power
River
GRANDE
River basin
GRANDE
Operator
ONS
Coordinates
19.990°S, 47.754°W
Last updated
July 28, 2026

Recent readings

DateFill levelVolume (hm³)
28 Jul 2026105.0%15
24 Jul 2026100.0%15
17 Jul 202649.5%7
10 Jul 202674.6%11
3 Jul 202659.5%9
26 Jun 202662.0%9
19 Jun 202662.0%9
12 Jun 202654.5%8
5 Jun 202644.5%7
29 May 202669.6%10
22 May 202619.7%3
15 May 202669.6%10

Frequently asked questions

What is the current water level of IGARAPAVA?

As of July 28, 2026, IGARAPAVA is at 105.0% of its capacity, holding approximately 15 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.

Is IGARAPAVA reservoir full?

IGARAPAVA is essentially full, sitting at 105.0% of capacity as of July 28, 2026.

Is the water level at IGARAPAVA rising or falling?

The level at IGARAPAVA is rising — it gained 5.0 percentage points over the latest week on record.

How much water can IGARAPAVA hold?

IGARAPAVA has a total capacity of 480 hm³, of which about 15 hm³ is usable storage.

Where is IGARAPAVA reservoir located?

IGARAPAVA is located in São Paulo, Brazil, within the GRANDE basin (coordinates 19.990°S, 47.754°W).

What is IGARAPAVA used for?

IGARAPAVA is used primarily for hydroelectric power, and is managed by ONS.

Nearby reservoirs

ShareXLinkedInWhatsApp