81.   It said health officials found the cholera embryo, which contains the virus that can infect humans, in the sewer system.

82.   It was supposed to spark the economy by putting people to work upgrading roads, bridges, sewer systems and other projects.

83.   Kingsley has been working to get approval for a new sewer system, hoping it will attract business.

84.   Methane gas killed five people cleaning the sewer system in a village in southern Russian, the ITAR-Tass news agency said Saturday.

85.   More than a dozen southeast Texas counties were under flash flood warnings as rain pelted saturated ground and overwhelmed sewer systems.

86.   Morelia authorities said they were still investigating that explosion, which apparently resulted from flammable chemicals flushed into the sewer system.

87.   Officials from Cincinnati used city money on similar trips last year to Austria and Switzerland last year to look at sewer systems.

88.   One of three men working inside the sewer system died instantly, while two others were hospitalized in serious condition.

89.   Rats have invaded a sewer system in central Ukraine and are sneaking into homes through the toilets, a newspaper said Wednesday.

90.   Sewer systems are failing, and not all restrooms are usable.