The phrase "central sewage system" is grammatically correct and can be used in written English.
It refers to a system of pipes and other infrastructure that collects and transports sewage from multiple buildings or areas to a centralized treatment facility. Example: "The city council has allocated funds to upgrade the central sewage system in the downtown area, in order to reduce contamination of the nearby river."
There is no central sewage system.
Businesses were given until 2015 and residents until 2019 to hook into a central sewage system.
It also continues to push ahead with its nine new state-of-the-art, temperature-controlled stadiums, an entire city outside of Doha, shopping malls, transport links, several roads, a new central sewage system and 20 skyscrapers.
There is also a toilet but you cannot use it as there is no central sewage system.
Maputo was the only city with a central sewage system for collection and treatment of domestic sewage until 2012, when a plant opened in Beira city.
Out of a total of 450 million m3 of sewage produced in Israel, about 96percentt is collected in central sewage systems and 64percentt of the effluents are reclaimed (290 million m3); 283 million m3 are adequately treated.
On 6 occasions between 1998 and 2004, sewage collected at the entrance to the main treatment plant of the central Israeli sewage system in the Tel Aviv area (Primary Site #1; Figure S1) contained polioviruses with characteristics that differed from OPV.
When you get into smaller lots, you really need a central water and sewage system, which increases the cost of a development significantly".
As a precaution, Prague's metro system and central sewage treatment plant were closed, metal flood defences were erected and sandbags built up along the banks of the Vltava.
Despite more than fifty million dollars' worth of American investment, the city had sporadic electricity, no sewage system, and a central water plant working at twenty-per-cent capacity.
A dilapidated sewage system covers only the central area, and pipes meant to deliver clean water are a Swiss cheese of leaks.
