Its purpose, apparently, was to carry rainwater from the hill to the river.

But 70 percent of the city is served by only a single sewer system, carrying both rainwater and human waste through 13,000 miles of often-ancient pipes.

They were originally built in the 19th century to carry rainwater and sewage from the city past marshland northward into the lake.

The surface water drain should only carry uncontaminated rainwater as it goes directly into a watercourse.

Its proximity to the Ameca River which carries muddy rainwater in the summertime causes the water to lose its clarity making it appear dirty.

The city has only a rudimentary drainage system, based on a network of ditches, some of them paved with concrete, that are supposed to carry rainwater into Lake Managua.

Dima or Dimah, a feminine given name of Arabic origin meaning "cloud which carries rainwater."

An easement to carry rainwater to a river, wetland, detention pond, or other body of water.

The most dramatic entrance starts at the top of the ravine with a simple path bisected by a notch to carry rainwater.