A dripping tap may seem like a minor problem, but it is one of the most common household plumbing issues homeowners ignore for too long. What starts as a slow, regular drip can waste water every day, leave marks around the sink, damage fittings over time, and increase your water bill unnecessarily.
For homeowners in Calpe, Benissa, Moraira and across the Costa Blanca, a dripping tap is often linked to wear, internal seal failure, or limescale caused by hard water. If the problem is left unresolved, a simple repair can turn into a more expensive issue affecting the tap body, nearby pipework or surrounding surfaces.
If you are already noticing other plumbing issues at home, it is often worth having the full system checked by a professional team offering servicios generales de fontanería so the drip is not treated as an isolated symptom.
Why a dripping tap should not be ignored
A tap that keeps dripping is more than an annoyance. It usually means that one of the internal parts is no longer sealing the water flow properly. In many cases, the issue is caused by a worn washer, a damaged cartridge, a loose O-ring or mineral buildup inside the tap.
Ignoring it can lead to higher water bills, corrosion around the fitting, staining on sinks and worktops, and gradual wear that makes the final repair more complicated. According to the U.S. Environmental Protection Agency’s WaterSense program, a faucet dripping at one drip per second can waste more than 3,000 gallons of water per year. That makes even a “small” tap leak worth fixing early.
If your property has older plumbing or recurring water-related issues, this can also be a good opportunity to review your domestic water supply system and rule out pressure or installation problems elsewhere in the home.
The most common causes of a dripping tap
Worn washer
In traditional taps, a rubber washer helps create a watertight seal. Over time, that washer can harden, crack or wear unevenly. When that happens, water continues to pass through the spout even when the tap is fully closed.
Damaged cartridge
Many modern mixer taps use a ceramic cartridge instead of a washer. If the cartridge becomes worn, blocked by debris or affected by limescale, the tap may continue dripping after use. This is especially common in homes affected by hard water.
Loose or worn O-ring
A small O-ring inside the tap assembly can also be responsible. If it shifts out of position or deteriorates, the leak may appear at the handle, around the base or through the spout.
Valve seat corrosion
The valve seat connects the tap to the spout. If it becomes rough, corroded or damaged, the internal seal may stop working correctly. In these cases, replacing a washer alone may not solve the issue.
Limescale buildup
In Costa Blanca homes, limescale is one of the most common causes of premature wear in taps, valves and cartridges. Mineral deposits can affect how smoothly the tap closes and slowly damage sealing surfaces over time. If hard water is a recurring issue in your property, it may be worth looking at longer-term solutions such as water treatment systems for healthier, better-protected plumbing.
How much water can a dripping tap waste?
Many homeowners underestimate how much water a slow drip can waste. Even when the drip looks minor, it can continue 24 hours a day for weeks or months. That means wasted water, avoidable cost and unnecessary pressure on a fixture that is already failing.
As noted by EPA WaterSense, a faucet leaking at one drip per second can waste more than 3,000 gallons annually, which makes early repair the sensible option both financially and practically.
For homes in areas where water efficiency matters, acting quickly is even more important. A persistent drip is not just a maintenance issue. It is also a sign that the tap is no longer operating efficiently.
Can you fix a dripping tap yourself?
Sometimes, yes. If the issue is straightforward and you are comfortable with basic DIY, a simple repair may be possible. In many cases, replacing a washer, cartridge or O-ring solves the problem.
A basic safe process usually includes:
- turning off the water supply
- identifying the tap type
- removing the handle carefully
- checking the washer, cartridge or seals
- reassembling and testing the tap
However, DIY only makes sense if the tap is accessible, the correct part can be identified easily, and there are no signs of corrosion, limescale damage or multiple leak points.
If the drip continues after replacing a part, the problem may be deeper than it first appeared. At that stage, it is usually more cost-effective to arrange a professional inspection through your local plumbing services team instead of repeating temporary fixes.
When it’s time to call a professional plumber
A dripping tap should usually be repaired professionally when:
- you have already replaced a washer or cartridge and the leak remains
- the tap is old, stiff or heavily affected by limescale
- water is leaking from the handle, base or connection points
- there are signs of corrosion inside the fitting
- the problem may be linked to wider pressure or supply issues
- you want a lasting repair instead of a short-term fix
This is especially relevant if the drip appears alongside other warning signs, such as pipe noise, reduced flow or damp patches. In that case, it may be worth reading Cuándo llamar a un fontanero profesional and booking a proper diagnosis before the problem spreads.
Why homeowners on the Costa Blanca should act early
In hard-water areas such as Calpe and the wider Costa Blanca, taps and plumbing fittings can wear faster because of mineral deposits. That means a constant drip may be more than a simple washer problem. It can indicate that the internal mechanism is under ongoing stress from scale buildup.
For holiday homes, rental properties and second residences, this matters even more. A tap that drips for days or weeks in an empty property can waste a surprising amount of water and lead to staining, fixture wear and avoidable bills by the time someone returns.
If you suspect the drip is part of a bigger issue, such as concealed pipework leakage or ongoing moisture damage, it also makes sense to check related content like how to spot a hidden leak before it becomes expensive.
Need help with a dripping tap?
If your tap keeps dripping, 100% Plumbing provides professional help for homeowners across Calpe and the Costa Blanca. A proper inspection can confirm whether the problem is a worn internal component, limescale damage, valve seat wear or a tap that is no longer worth repairing.
For persistent tap leaks, broader water issues or recurring limescale-related problems, the best next step is to contacto 100% Fontanería and arrange a professional assessment.
Preguntas frecuentes
Why does my tap keep dripping after I turn it off?
Usually because an internal part is no longer sealing properly. Common causes include a worn washer, a damaged cartridge, a loose O-ring or mineral buildup.
Is a dripping tap an emergency?
Usually not, but it should not be ignored. It wastes water and can lead to higher bills and additional wear over time.
Can hard water cause a dripping tap?
Yes. Hard water and limescale can damage cartridges, seals and other internal components, especially in areas like Calpe and Costa Blanca where mineral buildup is common.
Should I repair or replace a dripping tap?
If the tap is otherwise in good condition, repair is often enough. If it is old, corroded or keeps leaking after repair, replacement may be the better long-term option.
Who should I call for a dripping tap in Calpe?
A local professional plumber with experience in residential plumbing repairs and hard-water-related wear, such as 100% Plumbing.
