You open your water bill and do a double-take. Nothing changed in your house, same showers, same laundry routine, but the number is 30% higher than last month. Nine times out of ten, a small water leak is sitting somewhere in the house quietly running up the tab. It might be a toilet that never fully stops running, a pinhole in a copper pipe behind drywall, or a loose fitting under the kitchen sink. Small. Easy to ignore. Expensive.
What a Small Drip Actually Costs You
A faucet dripping once per second, that slow, annoying tick you tune out wastes over 3,000 gallons a year. At Plano’s current water rates, that’s real money, and that’s just one drip. A running toilet is far worse. I’ve seen them burn through 200 gallons a day without the homeowner ever hearing it. Silent flush valves are the worst offenders.
A homeowner over on Preston Road called us after her bill jumped $90 in a single month. She hadn’t changed anything. The culprit was a hairline crack in the supply line behind her refrigerator’s ice maker dripping inside the cabinet for weeks. That small water leak had soaked the subfloor by the time we found it.
The frustrating part: water bills lag. You might be two billing cycles in before the spike shows up clearly enough to act on. By then, the damage is ahead of the bill.
Where These Leaks Hide
Toilets and faucets get the attention, but the leaks that cost the most are the ones you can’t see. Slab leaks where a pipe under the concrete foundation develops a crack are common in North Texas because of our clay soil. The ground shifts with every rain-drought cycle, and those shifts stress pipes. A small water leak under the slab can run for months before the bill or a warm floor gives it away.
Outside the house, irrigation systems are repeat offenders. A broken emitter or a cracked lateral line loses water underground, and your controller keeps running the zone like nothing’s wrong. If your lawn looks the same but your water bill jumped, turn the irrigation system off at the controller for a full billing cycle and see if the number drops.
This approach won’t work if you have multiple active leaks and that does happen in older Plano homes built in the 1980s with original galvanized or polybutylene pipe.
How to Know if You Have a Hidden Leak
The meter test takes five minutes. Shut off every fixture and appliance in the house no ice maker, no irrigation, no running anything. Go to your water meter and watch the low-flow indicator (usually a small triangle or dial). If it moves, water’s flowing somewhere it shouldn’t be. That’s a small water leak confirmed before you’ve called anyone.
Take the meter reading, wait two hours without using any water, then take it again. If the reading changed, you’re losing water. The size of the difference tells you roughly how fast. This test works on city meters in Plano; it won’t catch a leak that’s strictly downstream of a shutoff you closed.
If the meter doesn’t move but you still suspect something, the next step is pressure testing individual lines that’s where a pro with the right equipment earns their keep.
When You Should Stop DIYing It
Swapping a faucet cartridge or tightening a supply line is fair game. If the drip stops and stays stopped for a week, you’re done. But a small water leak that keeps coming back after a DIY fix is telling you something: the pipe or fitting is compromised further back, and the patch is just postponing the real repair.
Anything inside a wall, under a slab, or involving the main supply line is a professional call. Not because it’s complicated to find on YouTube but because an incorrect repair under pressure can turn a slow drip into a flood fast. In Plano, repairs involving the main shutoff or sewer lateral also trigger a permit requirement through the city. Unpermitted work can create real problems when you sell.
I’ve seen homeowners spend $400 on DIY materials fixing the wrong section of pipe, then call us anyway. The detection work usually takes 45 minutes to two hours; the repair depends on access.
Call Total Air and Heat Before the Next Bill Arrives
Our only way is all the way. That’s not a slogan we put on a truck it means we don’t leave until the leak is confirmed fixed and you understand what happened. Waiting costs more: the water waste compounds, and the water damage underneath gets worse every day a small water leak goes unaddressed. Call Total Air and Heat in Plano and we’ll find it.
Frequently Asked Questions
Can a small drip actually make a big difference on my water bill?
Yes more than most people expect. A faucet dripping once per second wastes over 3,000 gallons a year. A running toilet can hit 200 gallons a day. Over a billing cycle or two, a small water leak like that adds up to a noticeable dollar amount, especially with Plano’s tiered water rates that charge more per gallon as usage climbs.
How do I know if my toilet is leaking silently?
Put a few drops of food coloring in the tank and don’t flush for 15 minutes. If color shows up in the bowl, the flapper isn’t sealing. Silent toilet leaks are the most common hidden water waster in residential homes and the easiest to miss because you never hear them running.
My bill went up but I can’t find anything dripping. What now?
Do the meter test: shut off everything, watch the low-flow indicator on your street meter for movement. If it’s spinning, you’ve got a confirmed small water leak somewhere in the system. If the meter’s still but the bill climbed, check whether a new appliance was installed or an irrigation zone was added. If none of that applies, call for a pressure test.
Is a slab leak common in Plano?
More common than most homeowners realize. North Texas clay soil expands and contracts significantly with our wet-dry weather cycles, and that ground movement stresses pipes under the foundation over time. Slab leaks often show up as a warm spot on the floor, unexplained mold near a baseboard, or a water bill that just keeps slowly climbing with no other explanation.
Can I repair a small leak myself or should I always call a pro?
Simple fixture-level repairs a new faucet cartridge, a replacement flapper, tightening a compression fitting are reasonable DIY work if the fix holds. If the same spot leaks again, stop. Recurring leaks point to a deeper problem that a patch won’t solve, and in some cases a repair without a permit can create issues under Plano’s residential plumbing code.
A small leak won’t wait for a convenient time to get worse but a two-hour service call now is a lot cheaper than a water damage restoration later.
