Your pool should be one of the best parts of your backyard, not a source of stress. But if your water levels keep dropping, your yard stays soggy after dry weather, or your chemical bills are creeping up for no obvious reason, your pool might be trying to tell you something.

The good news? Most leaks leave clear warning signs well before they turn into major problems. Here’s what to look for and what to do when you spot them.

Your Water Level Keeps Dropping

All pools lose some water to evaporation, especially during a hot Charlotte summer. A quarter inch per day is generally considered normal. Losing significantly more than that, consistently, is worth paying attention to.

A simple way to check: fill a bucket with pool water, set it on a step in your pool, and mark both water levels. Come back in 24 hours. If the pool has lost noticeably more water than the bucket, evaporation isn’t your culprit. You’re most likely dealing with a leak.

There’s Pooling Water or Wet Ground Around the Pool

If you’re noticing soft, soggy patches in your yard near the pool, especially after dry weather, that water has to be coming from somewhere. A leak in the shell, plumbing lines, or fittings can allow water to travel underground and surface in unexpected spots around the pool perimeter or landscaping.

This is a sign that shouldn’t wait. Water migrating beneath the surface can erode the soil under and around your pool over time, which can eventually compromise the structural integrity of the shell itself.

You Can See Cracks, Bubbles, or Damage on the Pool Surface

For concrete and plaster pools, take a close look at the walls, floor, and especially around fittings, returns, and steps. Even hairline cracks can allow water to seep under pressure. Surface bubbling or spalling, where the plaster begins to lift or flake, can also indicate water movement behind the surface.

For vinyl liner pools, the culprit is usually a rip, tear, or separation at a seam or fitting. Liner damage can be subtle. Running your hand slowly along the liner surface and seams while in the water will sometimes reveal small tears that aren’t visible at a glance.

Your Water Bills Are Higher Than Usual (Especially With an Autofill)

Many pools in the Charlotte area are equipped with an autofill system that automatically tops off the pool to keep the water level consistent. It’s a great convenience feature, but it can also hide a leak entirely since the water level never visibly drops.

If your water bill has climbed without an obvious explanation, your autofill may be working overtime to compensate for water that’s quietly leaking out. Because the pool always looks full, these leaks can go undetected for months. Temporarily disabling the autofill and watching whether the water level drops is a simple way to confirm whether a leak is present.

You Can’t Hold Your Chemistry or Chlorine Levels

This surprises many pool owners. When your pool loses water, it also loses the chemicals dissolved in that water. If you’re finding it impossible to keep your chlorine or water balance stable, even with consistent treatment, a leak could be the underlying cause.

Chasing chemistry problems without addressing a potential leak is a frustrating and expensive cycle. If your pool maintenance team is adding chemicals more frequently than usual and still struggling to keep levels where they should be, it’s worth factoring in whether water loss is part of the equation.

You’re Noticing Cracks or Moisture Around Your Equipment

Leaks don’t always start in the pool itself. Pump housings, filter connections, return lines, skimmer baskets, and other fittings are all common leak points, particularly as equipment ages and seals begin to wear. After heavy rain or significant temperature swings, it’s worth checking around your equipment pad for signs of moisture, dripping, or corrosion.

What to Do If You Think You Have a Leak

If you’re seeing one or more of these signs, the next step is a professional pool leak detection inspection. Modern leak detection uses pressure testing, dye testing, and electronic listening equipment to pinpoint the exact source of a leak without unnecessary damage to your pool deck or surrounding areas.

Trying to find and fix a pool leak without the right tools and experience usually leads to wasted time and missed diagnoses. What looks like a surface crack can point to a deeper plumbing issue, and vice versa. Getting an accurate read upfront saves time, money, and a lot of unnecessary stress.

Why Acting Early Makes a Difference in Charlotte

Charlotte’s climate puts real stress on pool materials over time. Hot summers, occasional freezing temperatures in winter, and the expansion and contraction cycles that come with them can widen small cracks, weaken fittings, and accelerate wear on liner seams.

The sooner a leak is caught and repaired, the smaller the fix tends to be. Left unaddressed, even a slow leak can lead to erosion beneath the pool deck, heaving or cracking of the surrounding hardscape, and in more serious cases, structural damage to the pool shell that requires significant renovation to correct.

B&B Pools Is Here to Help

At B&B Pools of the Carolinas, we’ve been caring for pools in the Charlotte area since 1991. We know how pools in this region behave, what the local climate demands, and what it takes to keep your investment in great shape for the long term.

If you’re seeing any of the warning signs above, don’t wait. Contact B&B Pools to schedule an inspection and let our team get to the bottom of it quickly and accurately.