aquifer

The crippling five-year drought Oklahoma finally broke out of in 2015 is still fresh in the memory of the state’s water regulators, which is looking for…

A large, Central Oklahoma aquifer will be 50 percent depleted as early as 2049 if usage continues at the current rates, an updated study presented Tuesday…

The underground lakes were found in the most arid region of a country where 40 percent of the population lacks access to safe water.