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How to correctly use the sewer system?
For proper operation, the sewer system must only carry human waste and liquid waste. These residues are called domestic effluents and are conducted through the collection network to the Sewage Treatment Station - ETE, where this effluent is properly treated.
Do not throw solid materials into the sewer, they can clog the network causing the sewage from your residence to return or leak into a manhole. In addition to the inconvenience caused, the sewage when it leaks can cause a series of serious illnesses.
Manholes are wide openings in the sewage collection network that are intended for maintenance. Unfortunately, some people throw garbage in these places, making it impossible to access the network for maintenance services and clogging up the network, which has a diameter much smaller than the well.
If your home's sewage clogged, preferably use a rubber plunger or contact specialized professionals to solve the problem. Do not throw chemicals like caustic soda or acids, they can cause irreversible damage to the pipes.
Organic solvents such as thinner, kerosene or gasoline do not mix with water and can even cause an explosion when thrown into the sewer system. Furthermore, these substances are highly toxic and cannot be efficiently eliminated in conventional sewage treatment plants, ending up polluting rivers and other water courses.
Avoid excess cleaning products, even biodegradable detergents. In excess, they cause a decrease in dissolved oxygen in the water, harming the treatment and the aquatic fauna and flora.
Rainwater is not sewage: it must be directed to the storm sewers. No sewer system is sized to receive rainwater that comes from patios, roofs and open areas.
For this reason, it is prohibited by law to channel rainwater into the sewer.
Grease boxes: always keep clean. This box is responsible for retaining oils, fats and food remains, preserving the sewage system. Over time, the fat ends up solidifying, preventing the flow to the sewer system.
A liter of oil can contaminate up to 1 million liters of water, so used cooking oil should be disposed of in domestic waste and not in the sewer.
Carry out vehicle oil changes only at gas stations, these places have sandboxes that separate the oil from the sewage.
Batteries and batteries contain heavy metals such as mercury. They must be separated and disposed of at delivery points for recycling. Do not dispose of in common garbage, much less in vacant lots or in the sewer.
The sewage collection network is one of the main basic sanitation works in a municipality. Its conscientious use guarantees the population's quality of life.
