reservoirs.earth logo
Reservoirs.EARTH
GRANDE
HighHydroelectric

P. COLOMBIA

Minas Gerais · GRANDE

Capacity

1,524 hm³

Coordinates

-20.127°N, 48.566°W

Operator

ONS

88.3% full

Current fill

88.3%
High

vs 7 days ago

+10.7%

gaining

vs 1 year ago

+16.6%

year-over-year

7-day trend

rising

Catchment Weather

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

Technical specifications

Total capacity1,524 hm³
Usable capacity233.5 hm³
Primary useHydroelectric
OperatorONS
RiverGRANDE
ProvinceMinas Gerais
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. -20.127, -48.566 · Open in Google Maps

About P. COLOMBIA

As of July 28, 2026, P. COLOMBIA is filled to 88.3% of its total capacity, holding roughly 206 hm³ of water out of a maximum 1,524 hm³. At this level the reservoir is high. Of that total, about 234 hm³ is usable (live) storage.

Over the most recent week on record the fill level has risen by 10.7 percentage points, and it is 16.6 points above its level on the same date a year earlier.

Across the readings we hold for P. COLOMBIA — 52 data points between August 15, 2025 and July 28, 2026 — the level has ranged from a low of 42.5% (December 31, 2025) to a high of 92.0% (October 10, 2025). On average the reservoir is fullest around March and at its lowest around November.

It is operated by ONS primarily for hydroelectric power. It lies within the GRANDE basin at 20.127°S, 48.566°W.

Key facts

Current fill level
88.3%
Water stored
206 hm³
Total capacity
1,524 hm³
Usable capacity
234 hm³
7-day change
▲ 10.7 pts
Year-on-year
▲ 16.6 pts
Primary use
Hydroelectric power
River
GRANDE
River basin
GRANDE
Operator
ONS
Coordinates
20.127°S, 48.566°W
Last updated
July 28, 2026

Recent readings

DateFill levelVolume (hm³)
28 Jul 202688.3%206
24 Jul 202677.6%181
17 Jul 202682.3%192
10 Jul 202685.3%199
3 Jul 202685.3%199
26 Jun 202688.3%206
19 Jun 202672.2%169
12 Jun 202653.8%126
5 Jun 202666.3%155
29 May 202657.4%134
22 May 202687.7%205
15 May 202690.8%212

Frequently asked questions

What is the current water level of P. COLOMBIA?

As of July 28, 2026, P. COLOMBIA is at 88.3% of its capacity, holding approximately 206 hm³ of water, according to ONS – Operador Nacional do Sistema Elétrico data.

Is P. COLOMBIA reservoir full?

No. As of July 28, 2026, P. COLOMBIA is high at 88.3% of its capacity, so it is not full.

Is the water level at P. COLOMBIA rising or falling?

The level at P. COLOMBIA is rising — it gained 10.7 percentage points over the latest week on record.

How much water can P. COLOMBIA hold?

P. COLOMBIA has a total capacity of 1,524 hm³, of which about 234 hm³ is usable storage.

Where is P. COLOMBIA reservoir located?

P. COLOMBIA is located in Minas Gerais, Brazil, within the GRANDE basin (coordinates 20.127°S, 48.566°W).

What is P. COLOMBIA used for?

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

Nearby reservoirs

ShareXLinkedInWhatsApp