Is Your Pool Losing Water or Just Evaporating? How to Check

Every pool loses some water, and in the Houston area the heat and humidity can make that loss feel dramatic. Evaporation is the main reason levels drop in summer, especially on breezy afternoons. A real leak, though, can look almost identical from the deck. Before you call for repairs, a simple check can tell you which problem you are dealing with.

Run a Simple Bucket Test

Place a bucket on the top pool step and fill it with pool water so the water inside matches the pool level. Mark the water level on the outside of the bucket and on the pool wall, then leave everything alone for a few days without rain or heavy splashing. Compare the two marks at the end. If the pool has dropped noticeably more than the water in the bucket, the difference points toward a leak rather than evaporation. Keep the pump running normally during the test so the readings reflect typical use.

Signs That Point to a Leak

• Water loss that is steady even on cool, cloudy, or rainy days
• Wet spots, soft soil, or pooling near the equipment pad or pool lines
• Cracks or gaps in the deck, coping, or tile line
• Air bubbles or sudden pump pressure changes, which can suggest a suction-side leak
• Auto-fill running more often than usual to keep the water level up

Pay attention to where the water goes as well as how much. Evaporation affects the whole surface evenly, while a leak often shows up in one spot.

What to Do Next

If the bucket test shows a real loss, avoid guessing at the cause. Pool leaks can come from the plumbing under the deck, the equipment pad, skimmer or light fittings, or the shell itself, and each one has a different fix. A professional leak detection service typically uses pressure testing or dye to narrow the location before any work begins. Ask for a written explanation of the findings so you understand what needs repair and what can wait.

Evaporation, on the other hand, is usually managed with a pool cover and keeping the water level in its normal range. If you are unsure which one you are seeing, we are happy to help you evaluate your pool and offer a free estimate for diagnosis.

Frequently Asked Questions

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