How to Check for Pool Leaks and Protect Your Investment
- dtantillo68
- Dec 8, 2025
- 3 min read
Owning a pool is a wonderful way to enjoy the warm Tucson and Oro Valley climate. However, a leaking pool can quickly turn your relaxing oasis into a costly problem. Detecting leaks early saves you money and prevents damage to your pool structure and surrounding areas. I will guide you through practical steps to check for pool leaks confidently and efficiently.
How to Check for Pool Leaks: Essential First Steps
Start by observing your pool carefully. A leak often reveals itself through unusual water loss. Here’s how to begin:
Monitor Water Levels: Track your pool’s water level daily. Mark the water line on the pool wall or use a floating device to note changes.
Check for Visible Signs: Look for wet spots around the pool deck, unusually green patches in the lawn, or cracks in the pool shell.
Inspect Pool Equipment: Examine pumps, filters, and pipes for moisture or corrosion. Leaks often occur near fittings or valves.
These initial checks help you narrow down the source of the problem. If you notice consistent water loss beyond normal evaporation, it’s time to dig deeper.

Understanding Evaporation vs. Leak: How to Check for Pool Leaks Accurately
Not all water loss means a leak. Tucson’s dry climate causes evaporation, which can lower your pool’s water level naturally. To distinguish between evaporation and a leak, perform the bucket test:
Fill a bucket with pool water to about an inch from the top.
Place the bucket on a pool step, ensuring the water inside the bucket is at the same level as the pool water outside.
Mark the water levels inside and outside the bucket.
After 24 hours, compare the water loss inside the bucket to the pool’s water loss.
If the pool water level drops more than the bucket water, you likely have a leak. This simple test gives you a clear indication without guesswork.
Is it normal to lose 2 inches of water out of a pool?
Losing 2 inches of water in a week can be normal depending on weather conditions. In hot, dry climates like Tucson and Oro Valley, evaporation rates can reach up to 1 inch per day. However, if you notice water loss exceeding this, especially without heavy sun or wind, it’s a red flag.
Consider these factors:
Pool Surface Area: Larger pools lose more water to evaporation.
Wind Exposure: Wind increases evaporation.
Pool Covers: Using a cover reduces evaporation significantly.
Recent Rainfall: Rain can mask water loss temporarily.
If your pool consistently loses 2 inches or more weekly without environmental causes, investigate for leaks immediately.

How to Find a Pool Leak: Practical Detection Techniques
Once you suspect a leak, use these methods to locate it precisely:
Visual Inspection: Check pool walls, floor, and fittings for cracks or damage.
Dye Testing: Use a leak detection dye near suspected areas like skimmers, returns, or lights. The dye will move toward the leak, revealing its location.
Pressure Testing: This involves isolating sections of your plumbing and pressurizing them to detect drops indicating leaks.
Check Pool Equipment: Inspect pump seals, filter tanks, and valves for leaks.
Professional Leak Detection: Advanced technology like electronic listening devices and infrared cameras can pinpoint leaks hidden underground or inside walls.
If you want expert assistance, visit how to find a pool leak for professional leak detection services in Tucson and Oro Valley.
Preventing Pool Leaks: Maintenance Tips to Keep Your Pool Healthy
Prevention is always better than repair. Follow these maintenance tips to reduce the risk of leaks:
Regularly Inspect Pool Structure: Look for cracks or wear in the plaster, tiles, and coping.
Maintain Proper Water Chemistry: Balanced water prevents corrosion and damage to pool surfaces and equipment.
Service Equipment Frequently: Replace worn seals, gaskets, and valves before they fail.
Use a Pool Cover: Covers reduce evaporation and protect your pool from debris and damage.
Monitor Water Levels: Keep an eye on water loss and act quickly if you notice unusual drops.
Routine care extends your pool’s life and saves you from costly repairs.
When to Call a Professional Leak Detection Service
If your efforts don’t reveal the leak or if you find a leak but cannot fix it yourself, it’s time to call in experts. Professional leak detection services use specialized tools and experience to:
Locate leaks quickly and accurately.
Minimize disruption to your pool and yard.
Provide permanent repair solutions.
Don’t wait until a small leak becomes a major problem. Early professional intervention protects your investment and keeps your pool safe and enjoyable.
By following these steps, you can confidently check for pool leaks and take action before damage escalates. Remember, early detection and maintenance are your best defenses against costly repairs. Keep your pool in top shape and enjoy the beautiful Tucson and Oro Valley weather worry-free.





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