When we say environment for reservoirs what do we mean?

A reservoir (/ˈrɛzərvwɑːr/; from French réservoir [ʁezɛʁvwaʁ]; lit. 'storehouse') is, most commonly, an enlarged natural or artificial lake, pond, or impoundment created using a dam or lock to store water. ... Defined as a storage space for fluids, reservoirs may hold water or gasses, including hydrocarbons.A single-purpose reservoir is designed to fulfill only one function, such as irrigation, power generation, navigation, flood control, water supply, recreation, or low-flow regulation. The trend has been toward construction of multiple-purpose reservoirs designed to serve at least two principal functions.

Hope this helps, have a wonderful day/night, stay safe, happy holidays, and merry christmas!

take a nice, long walk. walk, feel the wind through your hair and your it is very relaxing.