Borehole Yield Testing (Drawdown)

If you don't know the safe pumping rate of your borehole, you risk over-pumping and damaging the aquifer. A yield test defines the sustainable limit.

What you’ll usually notice

You may notice: – pump tripping on dry-run frequently – water level dropping rapidly during use – uncertainty about sustainable flow

What’s normally behind it

This usually happens when a borehole has never been professionally tested. Typical causes include: – missing original test data – changes in the water table over time – increased demand from new irrigation

Why quick fixes don’t stick

Reducing pump run times by guesswork does not protect the borehole structure from collapse.

How this is normally handled

Water Usage Monitoring & Metering

This service diagnoses the real cause and fixes the system properly, not just the symptom.

What actually fixes it

This problem is normally handled by performing a 24-hour drawdown test to define the borehole’s specific capacity.

What you can check yourself

You can check a few things yourself:
– look for an original driller’s report or certificate
– monitor how long it takes for water to run dry

When to call someone in

If you are expanding your usage or the borehole is tripping frequently, a yield test is essential.

Why does my borehole water look dirty or sandy?

Dirty or sandy borehole water usually indicates poor borehole development, pump placement issues, or the need for proper sediment and media filtration.

Why do filters block so quickly?

Filters blocking quickly is often due to incorrect filter selection, unexpected water quality issues, high sediment loads, or lack of staged pre-filtration.

Why is my water pressure low?

Low water pressure is usually caused by undersized pumps, incorrect pressure settings, pipe restrictions, or supply limitations from municipal, borehole, or tank-fed systems.

Why does my pump keep switching on and off?

Rapid pump cycling is typically caused by pressure tank issues, incorrect pressure switch settings, leaks, or pumps that are oversized for the system demand.

When should I call a water system professional?

You should call a professional when problems repeat, systems behave unpredictably, pumps fail regularly, or when you need clarity before making costly system changes.