Why Your Toilet Keeps Running — And What a Repair Tech Will Do About It
Jaclyn Basilone | Jan 05 2026 09:32
By Brooks Plumbing | Garland, TX & Surrounding Areas
You walk into your bathroom, and there it is again — that annoying sound of your toilet running long after you flushed. It’s just background noise , right? Wrong. A running toilet is one of the most common household plumbing issues, but it’s also one of the most wasteful. Even minor leaks can waste hundreds of gallons of water every day, silently increasing your water bill and straining your plumbing system.
If you’re tired of hearing that constant “whoosh…” — and you’re ready to fix it for good — here’s what’s most likely happening and what our Brooks Plumbing experts will do to solve it.
You Have a Problem — But You’re Not Alone
A running toilet occurs when something inside the toilet tank isn’t functioning properly. That one issue can lead to water constantly flowing — or turning on and off — for minutes or hours at a time. It’s not just annoying — it’s wasting water and money every time it runs without flushing.
Most homeowners experience this at least once, and the good news is: many running toilets are due to simple internal parts wearing out or being out of adjustment.
The Common Causes — In Plain Language
Before we talk about what our repair tech will do , it helps to understand why it happens. The most frequent culprits include:
1. A Worn or Faulty Flapper
Inside your toilet tank is a little rubber piece called a flapper. Every time you flush, it lifts up and then seals back down to hold water in the tank. Over time, heat, minerals, and wear can make it warp or crack — so it doesn’t seal properly. When that happens, water slowly leaks into the bowl, triggering your toilet’s fill valve over and over.
2. The Float Is Set Wrong
Your toilet has a float(either a ball or a cup) that tells the fill valve when the tank has enough water. If the float is set too high, water spills into the overflow tube, and the toilet keeps refilling to maintain the level — even when you didn’t flush.
3. Fill Valve Issues
The fill valve controls the water coming in after a flush. If it’s worn, clogged with mineral deposits, or simply not working right, it can refuse to shut off — keeping water running.
4. Chain & Handle Problems
The chain that connects your flush handle to the flapper can get tangled, too tight, or too loose. If it prevents the flapper from closing fully, water will keep running.
5. Overflow Tube Misalignment
The overflow tube directs excess water into the bowl. If parts are misaligned, cracked, or positioned incorrectly, water won’t stop draining — and the tank keeps trying to refill.
These might sound small, but even a tiny problem can mean gallons of water wasted every day — and your meter spinning faster than it should.
How Brooks Plumbing Helps You Win Back Quiet & Savings
You don’t have to live with that constant running sound — and you definitely shouldn’t let it waste water and money. When you call Brooks Plumbing in Garland, TX, here’s how our professional toilet repair techs fix the problem:
Step 1: Full Diagnostic Inspection
Our tech starts by inspecting your toilet tank internals to identify the real cause — not just a guess. We check:
- Flapper condition
- Chain and handle travel
- Float position and movement
- Fill valve operation
- Overflow tube alignment
By diagnosing the issue thoroughly, we don’t just fix the symptom — we fix the root cause.
Step 2: Precise Repairs or Part Replacement
Depending on what we find:
Flapper Replacement
– Often the quickest and most effective fix.
Float Adjustment or Float Assembly Replacement
– Ensures the water stops at the right level.
Fill Valve Cleaning or Replacement
– Restores proper shutoff after each fill.
Chain/Handle Adjustment
– Stops parts from interfering with proper sealing.
Overflow Tube Fixes
– Keeps water where it belongs.
We use high-quality replacement parts and make sure everything works quietly and efficiently before we leave.
Step 3: Water Savings & Peace of Mind
A properly repaired toilet not only stops that recurring sound — it stops water waste. A constantly running toilet can waste hundreds of gallons per day, adding a surprising amount to your water bill if left alone.
Our techs don’t just fix it — we show you why it happened and how to prevent it from coming back.
Why Trust Brooks Plumbing in Garland & Beyond?
You deserve plumbing service that’s reliable, expert, and stress-free. In Garland and the surrounding areas, homeowners call Brooks Plumbing because:
- We show up on time
- We diagnose accurately
- We fix it right the first time
- We stand behind our work
Whether it’s a running toilet, a leaky pipe, or a bigger plumbing project, we’re here to keep your home running smoothly.
Don’t Let a Running Toilet Run Up Your Bill
That constant water sound might seem small, but left alone, it’s silently costing you. If your toilet keeps running — even intermittently — you’re not imagining it. Let Brooks Plumbing diagnose and fix it for good.

