reliable source

By blocking the natural flow of rivers and streams, dams created reservoirs to provide a reliable source of water for irrigation; in the arid Southwest, they could practically conjure breadbaskets out of desert.

For one thing, they say, the postal database that True the Vote relies on is outdated and not a reliable source for determining voter eligibility.

Fascists have long been entwined with superheroes, providing a reliable source of villains for patriotic stories since Captain America decked Hitler.

Rather, their main concern seems to be maintaining Wikipedia’s reputation as a reliable source of information for people across the political spectrum.

“The public rightly expect a safe, clean and reliable source of drinking water and on this occasion we have fallen significantly short of expectations.”