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Environment & Climate28 Oct 2026 · about 6 min

Ecuador Rivers Overflow in Five Provinces

The brief

A river, stream, or canal overflows when water rises above its usual banks or edges and spreads onto nearby land. This can flood streets, farms, roads, and other low-lying areas. In Ecuador, the reported overflows were linked to continuing heavy coastal rain and, in Guayaquil, high tides. The National Secretariat for Risk Management counted 15 overflowing water bodies at 07:00 on Tuesday, 27 October. They included rivers such as the Pilco, Tenguel, and Las Lolas, as well as tidal creeks and the El Macho canal. Guayas recorded nine overflows, the most of any province. The affected provinces stretch along Ecuador’s Pacific coast. They are Guayas, El Oro, Santa Elena, Esmeraldas, and Los Ríos. The count was a snapshot and could change quickly as more rain fell. Officials had not reported deaths, damage estimates, or numbers of affected people.

01

What does it mean for a river, stream, or canal to overflow, and where did this happen in Ecuador?

A river, stream, or canal overflows when water rises above its usual banks or edges and spreads onto nearby land. This can flood streets, farms, roads, and other low-lying areas. In Ecuador, the reported overflows were linked to continuing heavy coastal rain and, in Guayaquil, high tides.

The National Secretariat for Risk Management counted 15 overflowing water bodies at 07:00 on Tuesday, 27 October. They included rivers such as the Pilco, Tenguel, and Las Lolas, as well as tidal creeks and the El Macho canal. Guayas recorded nine overflows, the most of any province.

The affected provinces stretch along Ecuador’s Pacific coast. They are Guayas, El Oro, Santa Elena, Esmeraldas, and Los Ríos. The count was a snapshot and could change quickly as more rain fell. Officials had not reported deaths, damage estimates, or numbers of affected people.

02

How many water bodies and provinces were affected, and which province had the most overflows?

The official count recorded 15 overflowing rivers, streams, canals, and tidal creeks across five coastal provinces. Guayas had the largest share, with nine overflows. El Oro had three, while Santa Elena, Esmeraldas, and Los Ríos each had one.

In Guayas, the listed waterways included the Pilco, Tenguel, Balao, Pula, Jaboncillo, Jaguas, and Arenas rivers. Two tidal creeks were also included. Affected cantons were Daule, Guayaquil, Naranjal, Balzar, and Playas. The Tenguel River is in a rural parish of Guayaquil canton.

The other reported sites included the El Macho canal and La Puentecita area in Machala, plus the Chaguana River in El Guabo. Santa Elena had the California River, Esmeraldas had the Bogotá River near San Lorenzo, and Los Ríos had the Las Lolas River near Babahoyo.

03

Why did the number of overflows rise to 15, and why is the risk especially high on Ecuador’s coast right now?

The number rose from about a dozen on Monday, 26 October, to 15 on Tuesday morning. The article links that increase to continuing rain associated with El Niño. The National Secretariat for Risk Management counted the waterways at 07:00, so the figure represented conditions at one specific time.

INAMHI said El Niño had entered a stronger phase on 23 October. Its warning covered heavy rain, electrical storms, and wind gusts, with the strongest rainfall expected along the coast. The institute also warned that rivers could rise. In Guayaquil, rain and high tide combined to leave water in streets.

The risk remained high because more downpours were forecast through Wednesday, 28 October. High tides could add pressure in coastal areas, especially Guayas and El Oro. The official total could therefore change quickly, although a higher overflow count would not automatically mean greater damage.

04

What consequences can these overflows have for residents, roads, airports, farms, ports, and travelers?

Overflowing waterways can spread water across streets and low-lying land. The article warns that coastal floods often cut roads and power. Residents may face delays, difficult travel, evacuations, or other impacts, although the official report gave no figures for affected or evacuated people.

Travellers heading to Guayaquil, Machala, or the coast were told to expect flooded streets, closed roads, and short-notice delays. Extra time may be needed for airport transfers. In Guayaquil, storms and high tide had already left standing water in parts of the city on Monday and Tuesday.

The affected provinces are important banana- and shrimp-farming areas, with exports reaching US supermarkets. The official count reported no damage to farms, ports, or shipments so far. Conditions could still worsen because rivers may continue rising after rainfall ends, and more rain was forecast through Wednesday night.

05

Which Ecuadorian agencies monitor the weather and rivers, and which agency leads the emergency response?

Ecuador’s National Meteorology and Hydrology Institute, known as INAMHI, monitors weather and water conditions. It issues warnings about heavy rain, storms, wind gusts, and possible river rises. Its warning No. 83 covered the period from 25 to 28 October.

The National Secretariat for Risk Management is the government disaster agency. It counted the 15 overflowing water bodies at 07:00 on 27 October and leads the emergency response. Its updates provide the national picture of where rivers, streams, canals, and tidal creeks are out of their banks.

These roles work together during the flooding. INAMHI provides forecasts and hazard warnings, while the risk agency tracks impacts and coordinates disaster response. President Daniel Noboa heads the government. The article reports no deaths and no national figures for people affected, evacuated, or missing.

06

How can high tide make flooding worse in coastal cities such as Guayaquil, even after rainfall begins to ease?

High tide can worsen flooding by raising water levels at the coast and in connected tidal channels. When the receiving water is already high, rainwater and river water can drain more slowly. Water may then remain in streets and low-lying areas for longer. This drainage explanation is general background; the article specifically reports that rain and high tide combined in Guayaquil.

On Monday, 26 October, storms and high tide left water collected in Guayaquil streets. High tide again left standing water in parts of the city on Tuesday, 27 October. The city is in Guayas, the province with nine of the 15 reported overflows.

The combination matters because rainfall was still forecast along the coast. INAMHI warned that rivers could rise, while the article said high tides could add overflows in Guayas and El Oro. Even if rain begins easing, high coastal water can delay drainage and keep flooding visible.

07

What is El Niño, and how can unusually warm Pacific Ocean waters change rainfall patterns in Ecuador and around the world?

El Niño is a warming of Pacific Ocean waters that changes weather patterns around the world. In Ecuador, the article links it to heavier rain along the coast. That rain can raise rivers, streams, and canals until they spill over their banks.

INAMHI said El Niño had entered a stronger phase on 23 October and had reached its peak phase. Its warning covered heavy rain, electrical storms, and wind gusts, with the strongest rain forecast for the coast. Rain and high tide together left water standing in Guayaquil streets.

The effects were visible in five coastal provinces on 27 October. Fifteen water bodies had overflowed, up from about a dozen the day before. More downpours were forecast until Wednesday, 28 October, and INAMHI warned that rivers could rise. The article does not detail El Niño’s effects in other parts of the world.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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