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A borehole pump is a key component of any underground water supply system. The pump provides the pumping action required to move water from aquifers (water reservoirs located several feet below the ground) to the ground level for the intended use. Borehole pumps are one of most powerful pumps available on the market today, but like any other high-performance mechanical equipment, they are quite expensive to buy. For this reason, it is important for borehole pump owners to take proper care of their equipment so they can enjoy reliable and extended service life from it.

There is a whole raft of elements that can undermine the performance of borehole pumps and also shorten the lifespan of the equipment. Here are two common elements every borehole pump owner should watch out for:

Dissolved minerals

While groundwater pumped to the surface level might look clean and crystal clear, the water contains water-soluble, naturally occurring minerals such as calcium, iron, potassium, bicarbonate, manganese and magnesium, which are picked up underground. If a water treatment mechanism is not incorporated into the water supply system, these minerals can be hard on your pump equipment. Calcium and magnesium deposits, for example, can leave behind a build up of scale, which can cause clogging in pumps, pipes and the borehole itself. Likewise, iron can accelerate rusting of a pump's metal parts.

To prevent pump damage caused by minerals dissolved in underground water, pump owners need to know the type of minerals present in the water. This calls for water testing. The process typically involves taking water samples from the borehole and carrying out tests on the samples to determine water quality. Water treatment will be based on the type of minerals found in the water.

Sediment

Water pumped from a borehole may also be contaminated with sediment such as soil, sand and pebbles, which can decrease the pump's flow capacity. In addition to this, the abrasive nature of sediment carried by water can cause premature damage to the pump seals, bearings and other critical components of the pump assembly.

Installing well casing and screen is a good way to prevent loose soil, sand, gravel and other forms of sediment from collapsing into the borehole. It is also important for pump owners not to over-pump their wells because this will increase the risk of pumping sediment-laden water, but also cause groundwater to get depleted much faster.

The best way to get the most out of your borehole pump is to talk to your pump manufacturer about your concerns. They can give you expert advice on what needs to be done to keep the equipment running well for longer. Contact a company that works on borehole and davey pumps for more information and assistance.