 This issue is becoming quite large in the United States (most notably California), but it is also worth noting that it has been a problem in other parts of the world, as was documented in Punjab, India in 1987

According to a 2013 report by research hydrologist, Leonard F. Konikow, at the United States Geological Survey (USGS), the depletion of the Ogallala Aquifer between 2001–2008, inclusive, is about 32 percent of the cumulative depletion during the entire 20th century (Konikow 2013