I think, it is a great idea, that Google thinks about a green way of (if) artificial groundwater recharge because it is the same old story than massive groundwater-dewatering for civil engineering. An excavation must be dug for the foundation of a building. Unfortunately, the groundwater level is too high. So well-galleries are drilled to pump down the "surface-groundwater" to dry-off the excavated-pit and led this water away into "receiving-waters" such as canals, rivers, and the sea. We can also say: poured or just dumped away ...! This "dumped" water can, however, a) have almost drinking water qualitiy, b) also be contaminated, but not necessarily, but for sure: not controlled or just ignored. Because no-one asks. Some years ago, resourceful engineers have discovered, that this groundwater can also be pumped back into the lower-reaches of groundwater-flow of the construction project and thus keeps the entire groundwater balance: "in balance!". Thus one can advocate such a Google cooling water by groundwater use also without hesitation. You can even extract energy from the cold and also from the heated process water and even use it for groundwater treatment, in case, somebody dicoveres, that other industries have dumped their garbage and contaminated the said water before...   So: Be Innovative! Don't belong anymore to copy/paste- & laptop-engineering Google Go..!

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I think, it is a great idea, that Google thinks about a green way of (if) artificial groundwater recharge because it is the same old story than massive groundwater-dewatering for civil engineering. An excavation must be dug for the foundation of a building. Unfortunately, the groundwater level is too high. So well-galleries are drilled to pump down the "surface-groundwater" to dry-off the excavated-pit and led this water away into "receiving-waters" such as canals, rivers, and the sea. We can also say: poured or just dumped away ...!
This "dumped" water can, however, a) have almost drinking water qualitiy, b) also be contaminated, but not necessarily, but for sure: not controlled or just ignored. Because no-one asks.

Some years ago, resourceful engineers have discovered, that this groundwater can also be pumped back into the lower-reaches of groundwater-flow of the construction project and thus keeps the entire groundwater balance: "in balance!". Thus one can advocate such a Google cooling water by groundwater use also without hesitation. You can even extract energy from the cold and also from the heated process water and even use it for groundwater treatment, in case, somebody dicoveres, that other industries have dumped their garbage and contaminated the said water before...  

So: Be Innovative! Don't belong anymore to copy/paste- & laptop-engineering

Google Go..!