About role of sewer

We live with clean water. Using water means polluting the water. It is our duty to clean and return dirty water to nature. The sewer protects clean rivers and seas.

Failures of pumping toilets - It is open from bad smells and trouble of pumping. Clean and smell-free flush toilet can be used in any household.

Many modern cities, including Yokohama, have developed in lowlands. Therefore, drainage is not smooth, such as during heavy rains, and often suffers from flooding. The sewer has the role of keeping rainwater from collecting, just like rivers and waterways.

Dirty rivers can cause odors, mosquitoes and flies. By improving the sewer, these dirty rivers and dirty puddles will be eliminated. It is not only beautiful, but also helps to create a hygienic city.

• Diversion type and combined type
• Sewage Treatment System