You turn the shower on. You expect a decent blast of hot water. Instead, you get a miserable trickle. Rinsing shampoo out of your hair suddenly takes ten minutes.

Why? If your home’s water pressure has tanked, it usually comes down to one of these specific culprits:

  • A partially closed main water valve.
  • Blocked tap aerators or showerheads.
  • A hidden leak draining the system.
  • Corroded, rust-choked internal pipes.
  • A broken pressure regulator.
  • Local water board maintenance in your street.

Here is how to figure out exactly what is going wrong at your place, and how to fix it.

Check the Obvious Things First

Start with the easiest fix. It happens more than you think. Did you recently have a tradie on site? Was someone mowing the front verge? The main shutoff valve next to your water meter might have been bumped. If it is only sitting half open, your house only gets half the water. Walk out to the street and heck the tap. Make sure it is turned fully anticlockwise.

Look at the Street

Before you start pulling plumbing apart, look outside. Is there a water truck parked a few doors down? Sometimes the issue isn’t your house at all. Local authorities regularly flush mains or repair street leaks. This temporarily kills water pressure to the whole block. Ask your neighbour if their water is acting up too.

Inspect Your Tap Fittings

Is the pressure terrible everywhere, or just in the ensuite? If the kitchen sink is fine but the shower is weak, the fixture itself is the problem. Hard water leaves calcium behind. Mineral deposits build up inside tap aerators and showerheads, physically blocking the water.

Unscrew the fitting. If it looks crusty, drop it in a bowl of white vinegar overnight. Scrub it with an old toothbrush the next morning and screw it back on.

Look for a Hidden Leak

Your plumbing is a closed loop. It needs a tight seal to maintain pressure. If a pipe cracks under your concrete slab or behind a wall, water escapes before it ever reaches the tap. The pressure drops instantly. Turn off every tap and appliance in the house, then go and look at your water meter. Are the dials still spinning? You have a hidden leak.

Ageing Pipes and Failing Regulators

Older homes have older problems. Galvanised steel pipes rust from the inside out. Over the decades, that rust builds up. It narrows the pipe until water can barely squeeze through.

Then there is the pressure regulator. Many properties have this valve installed to stop high-pressure street mains from blowing out internal plumbing. When a regulator fails, it fails hard. Your pressure drops to almost nothing. Replacing it is a fast, straightforward job for a licensed plumber.

Get Your Pressure Back

Stop putting up with a weak shower. If you’ve checked the meter and cleaned the showerhead but the water is still trickling, you need a professional.

At Newflo Plumbing, we track down and fix water pressure issues across Geelong, Torquay, and the Surf Coast. Call our local team on 1300 299 474, and let’s get your plumbing working properly again.