Every plumber in Jamaica has the same story. A customer calls about a small stain on the ceiling. By the time we open it up, the gypsum is soft, the timber is going, and a repair that would have cost a few thousand dollars three months ago is now a job.
Water is patient. It does not announce itself. A pinhole in a supply line behind a wall can run for months, and the only clues are subtle enough that most people explain them away.
The Signs Most People Miss
You do not need to be a tradesman to catch a leak early — you just need to know what you are looking at. These are the six things worth paying attention to.
- A water bill that jumped with no change in how you use water
- Damp patches or bubbling paint, especially low on a wall
- A musty smell in a cupboard, bathroom or closed room
- The sound of running water when every tap is off
- Low pressure that has crept up on you over months
- Warm spots on the floor — a sign of a hot line leaking
The water bill is the most reliable of these. Your usage does not change much month to month. If the number does, something is using water that you are not.
Here is the simplest leak test there is. Last thing at night, turn off every tap and appliance in the house and write down the meter reading. Check it again first thing in the morning before anyone uses water. If the number moved, you have a leak somewhere in the system.
Why Small Leaks Get Expensive So Fast
The repair itself is rarely the expensive part. Replacing a section of pipe or a failed fitting is straightforward work. What costs money is everything the water touched on the way there.
A leak that would have been a two-hour repair becomes a wall to open, a ceiling to replace, mould treatment, and a repaint. The plumbing is the cheapest line on that invoice.
There is also the part nobody thinks about until it is too late — mould. In this climate, a wall that stays damp will grow mould inside of two to three weeks. Once it is established in gypsum or behind tiles, treating it properly means removing material, not wiping it down.
The Usual Suspects In Jamaican Homes
Old galvanised pipe
Any house built before the mid-1980s likely has galvanised steel supply lines. They corrode from the inside out. By the time one pinholes, the rest of that run is usually in the same condition — which is why patching one spot often leads to another leak a few metres along within months. If you are getting repeat leaks in the same section, it is time to price a re-run in PPR or PVC rather than keep patching.
Toilet flush valves
A toilet that keeps running after the flush is silently sending clean water straight down the drain, often thousands of gallons a month. It is one of the cheapest repairs on this list and one of the most commonly ignored.
Tank overflows and float valves
If your storage tank's float valve is not sealing, the tank fills and overflows continuously whenever the mains are on. Most people never notice because the overflow runs outside. Check yours when the water comes back after a lock-off.
Water heater connections
The connections at the top of a water heater run hot and cold repeatedly. Over years, that expansion and contraction works fittings loose. A slow drip here often shows up as a rust stain on the tank rather than visible water.
What To Do Right Now
Take ten minutes this weekend and do a walk-around. Look under every sink with a torch. Check the back of the toilet cistern. Look at the wall behind the washing machine. Walk the outside of the house and look for a patch of ground that stays wet or grass that is noticeably greener than everywhere else — that is a classic sign of an underground supply leak.
If you find something, or if the meter test tells you water is moving when it should not be, get it looked at while it is still small. That is the whole point.
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