Testing groundwater is essential for several reasons:  

To have access to groundwater is a huge benefit to any property but it is important to know exactly what it is best suited for. Some water is amazing and can almost be piped straight into the house whereas other water can be have lots of total dissolved solids with a high salt content, iron and a low pH.

Ground water is affected by lots of different factors including seasons, local construction, burst pipes, dumping, soil contents, chlorine etc.

As convenient and versatile as groundwater it is, you still need to know what it is best suited for. Some water is fine to fill the pool but will kill the plants and some will be fine for the garden but stain the walls are tarnish the car.

Make sure you know whether your water has, salt, iron, calcium, low pH etc.

Rental properties, businesses and schools that are using ground water on the premises are obligated to test their water to ensure that the safety of their staff, learners or clients.