Dripping Faucet: Causes, Fixes, and When to Repair or Replace

A dripping faucet can waste hundreds or even thousands of gallons of water each year. Our faucet drip calculator helps you estimate how much water and money a leaking faucet may be costing. By entering the number of drips per minute, you can quickly see the total water waste per day, month, and year.


Faucet Drip Calculator: How Much Water Is Your Dripping Faucet Wasting?

Even a slow drip can waste a surprising amount of water. What seems like a small nuisance can quietly add up to hundreds of gallons each year—and higher utility bills.

Use the faucet drip calculator below to estimate how much water your leak may be wasting.

Simply enter the number of drips per minute from your faucet and the calculator will estimate the total water loss per day, month, and year.

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Faucet Drip Water Waste Statistics

Small faucet leaks waste more water than most homeowners realize. According to water conservation studies, even slow drips can add up to thousands of gallons of water each year.

Here are some common estimates based on average faucet drip sizes:

Drips per MinuteWater Wasted Per DayWater Wasted Per Year
1 drip/minute~0.05 gallons~18 gallons
10 drips/minute~0.5 gallons~182 gallons
30 drips/minute~1.5 gallons~547 gallons
60 drips/minute~3 gallons~1,095 gallons
120 drips/minute~6 gallons~2,190 gallons

Even a moderate drip can waste thousands of gallons of water per year, which increases utility costs and places unnecessary strain on municipal water systems.

If you’re unsure how fast your faucet is leaking, simply count the number of drips for one minute and enter the number into the calculator above to estimate your water loss.

Across North Atlanta homes, our plumbers often find that dripping faucets are caused by worn cartridges, aging washers, or high water pressure.

Why Even a Small Faucet Drip Matters

Many homeowners underestimate the impact of a small leak. That steady plink… plink… plink can easily waste gallons of water per day.

Over time this can lead to:

  • Higher water bills
  • Increased wear on faucet components
  • Unnecessary strain on your plumbing system

The calculator above shows how quickly those small drips add up.

The Most Common Causes of a Dripping Faucet

Dripping faucets can stem from a few simple issues. Understanding the cause can help you decide whether you can fix it yourself or need professional help.

  1. Worn Washer or O-Ring
    Over time, washers and O-rings wear out, allowing water to slip through the seal. This is one of the most common reasons for a dripping faucet and one of the easiest to fix. Shut off the water supply, disassemble the handle, and replace the washer or O-ring with a matching part from your local hardware store.
  2. Corroded Valve Seat
    The valve seat connects the faucet and spout, and it can corrode from mineral buildup. Cleaning or replacing the seat usually solves the problem, but if corrosion is extensive, a professional plumber may need to inspect it to prevent further damage.
  3. Faulty Cartridge or Ceramic Disc
    Many modern faucets use cartridges or ceramic discs to regulate water flow. When these components wear out, they can cause constant dripping even when the faucet is fully off. Since each faucet brand uses different replacement parts, this fix often requires either brand-specific parts or professional help.

Multiple Dripping Faucets Could Mean High Water Pressure

If more than one faucet in your home begins dripping, the issue may not be the faucet itself.

Excessively high water pressure can push too much force through your plumbing system, wearing out seals, washers, and valves much faster than normal.

High pressure can also affect:

  • toilets
  • washing machines
  • water heaters
  • supply lines

A plumber can test your home’s pressure and install or adjust a pressure reducing valve (PRV) if needed.


Repair or Replace: Which Makes More Sense?

If your faucet is newer and from a known brand, replacing a small part is often all it takes. But if your fixture is old, corroded, or from an unknown manufacturer, it may be time to replace it altogether. Replacement is often more cost-effective in the long run and prevents future leaks or part failures. There’s no guarantee that a fix on an aging faucet will last, or that a new problem won’t pop up shortly after a repair.

Before deciding, check whether your faucet brand has had any past recalls. More reputable brands generally have less issues with production and materials. When they do find a problem, they’re more likely to handle resolution better than the lesser known manufacturers.

When replacement is the best choice, a professional plumber can help you find a faucet that fits your sink and water connections perfectly—and install it quickly and safely.


Choosing a Reputable Brand When Replacing a Dripping Faucet

Not all faucets are created equal. When you decide to replace your dripping faucet, it’s worth investing in a quality fixture that’s built to last. Reputable brands offer durable materials, dependable warranties, and readily available replacement parts—making future maintenance simple.

Here are a few trusted names in plumbing fixtures:

  • Moen – Known for innovative designs and lifetime warranties.
  • Price Pfister – Offers durable, affordable options with a variety of finishes.
  • Delta – Popular for reliable performance and easy-to-find replacement cartridges.

A high-quality faucet can last for decades, and choosing a reputable brand ensures your next repair (if you ever need one) will be quick and straightforward.


When to Call a Professional Plumber

If you’ve replaced washers or tightened handles and your faucet still drips, it’s time to call in a professional. A licensed plumber can diagnose deeper issues, like high water pressure, worn valve seats, or internal corrosion that might not be visible.

At Aaron Services: Plumbing, Heating, Cooling, we help homeowners fix leaks quickly and prevent them from returning. Whether your faucet needs a simple repair or a full replacement, our experienced team will explain your options and provide efficient, lasting solutions.

What If the Leak Isn’t Coming From the Faucet?

Not every sink leak is caused by a dripping faucet. In some cases, water around the sink may be coming from supply lines, drain connections, or the P-trap under the sink rather than the faucet itself.

If you’re seeing water inside the cabinet or under the sink, take a look at our guide to bathroom sink leaks to learn about the most common causes and how to identify where the water is coming from.


Faucet Drip Frequently Asked Questions

How much water does a dripping faucet waste per day?

It depends on the drip rate, but even a slow leak of 1 drip per minute can waste over 34 gallons a year. Faster leaks can waste hundreds of gallons per month. Use the calculator above to see your exact numbers.

How many drips are in a gallon of water?

On average, there are about 15,140 drips in one gallon of water. This number is based on a standard faucet drip being approximately 0.25 milliliters.

Is a dripping faucet a serious problem?

Yes. A dripping faucet may seem minor, but over time it leads to wasted water, higher utility bills, and possible fixture damage. It can also be a symptom of a worn-out washer, corroded valve seat, or high water pressure.

Can I fix a leaking faucet myself?

Many faucet leaks can be fixed with a simple washer or O-ring replacement, especially for compression faucets. However, if you’re not sure what’s causing the leak—or if it’s a cartridge or ceramic-disc faucet—it may be better to have a professional plumber take a look.

How do I measure drips per minute?

Grab a stopwatch or phone timer and count how many drips fall in one minute. If it’s too fast to count, count for 15 seconds and multiply by 4. Enter that number into the calculator above.

A dripping faucet might start as a small inconvenience, but over time it costs more than you think. Use our calculator to see how much water you’re losing and reach out to Aaron Services for expert faucet repair or replacement anywhere in Metro Atlanta.