Flowing through Rio de Janeiro state, the Pavuna River tells tales of transformation. It is a story etched in water and time. This river is more than just a waterway. It is a boundary, a lifeline, and a reflection of the city’s evolution.
The Pavuna River is located in southeastern Brazil. It stretches 14 kilometers. The river starts in the Pantanal do Sítio do Retiro. This is in the Serra de Bangu. It is in the western zone of the municipality. After a certain point near the border of the capital with São João de Meriti, it becomes the Meriti River. The Pavuna River marks the boundary between Rio de Janeiro and São João de Meriti. It empties into Guanabara Bay near Ilha do Governador.
The history of the Pavuna River is deeply connected to the urbanization of Rio de Janeiro. Its name traces back to indigenous roots. In 1565, the missionary Jean de Léry documented Upabuna. This was an indigenous village along the riverbanks. This village gave its name to the Pavuna neighborhood. So even before 1565, people lived where we now know as Pavuna.
In the 16th century, the Portuguese Crown encouraged sugarcane cultivation. This brought enslaved people and sugar factories to the area. The region prospered. This led to the creation of the first parish outside Rio’s center. It was named Nossa Senhora da Apresentação de Irajá in the mid-17th century. The Fazenda Nossa Senhora da Conceição da Pavuna existed. It belonged to the Tavares Guerra family. Its chapel dates back to 1788.
By 1830, the area around the Pavuna River had grown significantly. People lived and worked on both sides. Each side belonged to a different parish. The south side was part of Irajá. The north side belonged to Meriti. Nova Iguaçu once disputed the lands on both banks of the Pavuna River. However, the capital prevailed. The Pavuna River became the historical boundary.
The Pavuna River’s urbanization peaked in the early 20th century. Lots were developed west of the railway. The Engenho Nossa Senhora da Conceição became Vila Dom Pedro II. This led to the creation of streets like Mercúrio, Apollo, Catão, and Juno. Juno is Pavuna’s main urban center today. It provides access to health, education, social assistance, commerce, and transport. This development significantly changed the Pavuna River’s use and condition.
Today, the Pavuna River faces alarming pollution. It receives raw sewage and industrial waste shortly after its source. Many illegal sewage connections exist. The government has repeatedly promised to address this. Its flow has been altered in several places. Its banks suffer from erosion. High urbanization and lack of maintenance worsen the situation. Illegal dumping is also a problem. Until the 1970s, residents used the river for fishing, bathing, and leisure. Intense urbanization has damaged the river’s ecosystem. This impacts not only those nearby. Entire populations suffer from water shortages. Flooding during rains occurs due to the river’s altered course.
Polluted water causes serious health issues. The Pavuna River has fecal coliforms, fats, detergents, and other pollutants. Untreated sewage contaminates the river. Flooding can spread diseases like hepatitis and typhoid fever. The occupation of the riverbanks contributes to its degradation. Waste from street markets is dumped into the river daily. Industries release chemical waste into the water. Lack of environmental awareness and insufficient enforcement exacerbate the problem. An effective cleaning system is needed. Environmental education is essential.
Efforts to clean the Pavuna River have been insufficient. Residents and activists demand an end to illegal sewage connections. They seek basic sanitation for residents. This is essential to start the river’s recovery. The Pavuna River’s pollution violates water laws. These laws aim to ensure water availability. They also promote the rational use of water resources for current and future generations. The Pavuna River needs our attention. It needs our action. Only then, it can revive and regain its vital role in Rio de Janeiro.