Concerns about public health led to the construction between 1876 and 1904 of three separate sewer systems to serve metropolitan Boston.

出于对公众健康的担忧，1876年至1904年期间，为了服务于波士顿市区，政府修建了三个独立的下水道系统。

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A few blocks away, residents of the slum, which has no public water or sewer system, pay 3 shillings to fill used 20-liter cooking oil jugs with fresh water from a Coke-sponsored well.

几个街区远的地方是没有公共用水和下水道系统平民窟，居民们支付3先令从可口可乐公司赞助的井里购买20升的淡水，装在烹调油壶里。

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The river water quality should further improve once more village houses are connected to the public sewer.

更多村屋接驳至公共污水渠，城门河水质可望进一步改善。

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"He was telling us, not only our family, but more and more the public, 'Don't use the ocean as a garbage can, as a universal sewer because it's a life support system.

VOA: standard.2010.06.18

The Woodlands is an unincorporated area that was laid out with no rights of way for public water or sewer lines, and even the idea of extending a public water line to the area has created divisions.

NPR: Cause Of Off-Color, Fetid Water Eludes Pa. Town

"Even though we all realise that the Bagmati - where we will all be cremated at some point - has turned into a sewer it is nevertheless a sociological phenomenon that the public while realising it, is not been able to do anything about, " he said.

BBC: Alastair Lawson reports from Kathmandu

Built after a string of cholera epidemics in the 19th century by Joseph Bazalgette, an engineer in the heroic Victorian mould, the capital's 14, 000-mile sewer network was a triumph of engineering and a victory for public health.

ECONOMIST: The capital's overflowing drains are due for a big upgrade