What is unique about obtaining water from an artesian well

Answer:

Artesian springs :

When a water-bearing bed is confined between relatively impervious strata and water is introduced from a higher elevation, the confined water is said to be

under artesian pressure. Artesian springs occur where these confined permeable strata are exposed near the surface. Springs may also occur where the confining formation over the artesian aquifer is ruptured by a fault or where the aquifer discharges to a lower topographic area. The flow from these springs depends on the difference in the recharge and discharge elevations of the aquifer and the size of the

openings transmitting the water. Artesian springs can be sensitive to the pumping of wells located nearby.

(b) Seeps

A seep does not have a defined outlet but zones where seepage emerges, which can be developed like a spring, capturing and funneling the water to a point of

use.

(c) Spring design

Existing information should be collected to determine feasibility and potential for development for water supply, such as:

• existing spring and well locations and yields

• current hydrologic conditions (precipitation and departure from normal)

• USGS and State geological survey investigative reports

• copies of well drillers’ logs for wells in the vicinity or in aquifers of interest

• interviews with well drillers who have done work in the area

• county soil survey report and interpretation data, and general description of geologic conditions

• map showing groundwater development sites and including the geologic situation of each site

• groundwater contour maps or structural contour maps of known aquifers

• geology reports from previous investigations.

In developing springs or seeps, it is necessary to select a spring that can provide the required quantity and/or

quality of water for the intended use, protect it so that it can be used without excessive maintenance, and

determine that it will meet all NRCS requirements.

Explanation:

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