On FIRE to serve you since 1972!

Pool Leak Detection Service

We offer a certified Leak Detection service in Austin and surrounding areas. Using state-of-the-art equipment, we can quickly and accurately identify leaks in your pool.

A custom pool in Texas Hill Country by HCP Construction

A certified pool Leak Detection service.

Hill Country Pools takes pride in its expert swimming pool leak detection service, utilizing state-of-the-art equipment and a highly skilled team to quickly and accurately identify and address potential issues in your pool.

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We use the best pool leak detection tools available to pinpoint leaks with precision while minimizing disruption and preserving the integrity of your pool.

Whether it’s a small, subtle leak or a more complex problem, our dedicated pool leak detection technicians can diagnose the issue and provide efficient solutions.

Trust Hill Country Pools to safeguard your investment through our thorough and professional approach to leak detection.

Signs Your Pool May Have a Leak

Beyond a dropping water level, watch for signs that may indicate a pool leak.

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  • Wet or soggy ground near the pool equipment pad, pump, filter, or heater connections
  • A water bill that’s climbed with no clear explanation
  • Visible cracks in the pool shell or deck
  • Air bubbles in the return jets while the pump is running
  • Algae or chemical balance problems that keep coming back despite regular treatment
  • Loose or lifting tile near the waterline
  • An auto-fill valve that never seems to stop running

Not sure whether you’re seeing a leak or just normal evaporation? Click the button below for more information.

Certified and licensed pool technician in Austin providing pool repair and maintenance services.

What Causes Pool Leaks in Austin?

Austin’s climate is uniquely hard on pools. The most common causes we see include:

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  • Cracked or loose skimmer, return, and light-niche fittings: The seals in these areas can deteriorate because of age and prolonged UV exposure.
  • Underground plumbing breaks: Central Texas’s expansive clay soil contracts and shifts during drought, placing stress on buried plumbing and pulling fittings apart.
  • Worn pump, filter, and equipment seals: Austin’s long, hot swimming season can accelerate normal wear and tear.
  • Shell or plaster cracks: Even hairline cracks can allow water to escape under pressure.
  • Liner or structural movement: Soil movement around the pool can affect the pool’s structure and create leaks.
Hill Country Pools technician cleaning a residential swimming pool with professional pool maintenance equipment

Where Pool Leaks Most Often Happen

In order of how often we find them:

  1. Skimmer box and fittings
  2. Return jets and suction lines
  3. Light niche and light fixture seals
  4. Main drain and equipment-pad plumbing
  5. Pool shell, plaster, or structural cracks

Knowing where to look first is half the job, which is why our technicians always start with a visual walk-around before bringing out any equipment.

Pool Leak Detection FAQs

How do I know if my pool has a leak or if it's just evaporation?

In Austin’s hot climate, pools can lose up to 1/2 inch of water per day from evaporation alone during summer. If you’re consistently losing more than that, it’s worth investigating further. Our bucket test guide walks you through a simple 24-hour DIY check.

Common signs include rapid water loss, unusually high water bills, cracks in the pool or deck, soggy ground, and air or bubbles coming from return lines. Contact us if any of these issues are present in or around your pool, and one of our leak detection experts will help you.

Cracked or loose fittings at the skimmer, returns, and light niche are the most frequent culprits, closely followed by underground plumbing breaks caused by Central Texas’s expansive clay soil shifting during drought.

Most often at the skimmer box, return jets, and light niche fittings, followed by the main drain and equipment-pad plumbing, and less frequently in the pool shell or structure itself.

We use a five-step process: visual inspection, pressure testing of individual plumbing lines, dye testing at suspected structural leaks, electronic listening equipment for underground lines, and a final re-test after repair to confirm the leak is gone.

Cost depends on your pool’s size and the complexity of the leak. We’ll give you an exact number after inspecting your pool, with no surprises. If the leak requires more than a straightforward repair, our sister company HCP Construction can handle everything from replastering to larger structural work, so you’re never left finding a second company mid-project.

Our Pool Leak Detection Process

Hill Country Pools team infront of the office

When you call Hill Country Pools for leak detection, here’s what you can expect during the inspection process.

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  1. Visual Inspection
    We inspect the pool shell, fittings, skimmers, lights, drains, and equipment for visible signs of leaks.
  2. Pressure Testing
    We test plumbing lines to determine whether the leak is located in the pipes or within the pool structure.
  3. Dye Testing
    For suspected structural leaks, we use dye testing to identify cracks and leaking fittings.
  4. Electronic Leak Detection
    We use specialized equipment to locate underground plumbing leaks without unnecessary digging.
  5. Repair and Follow-Up
    We recommend the appropriate repair, complete many fixes in-house, and re-test the area to confirm that the leak has been resolved.

From Detection to Repair, Seamlessly

Finding the leak is only half the job. Making the right repair is just as important, especially when the problem extends beyond a simple fitting or plumbing issue.

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When a leak requires structural repair, replastering, or a larger renovation, Hill Country Pools works closely with our sister company, HCP Construction .

Because HCP Construction is family-owned alongside Hill Country Pools and shares the same decades of Austin pool experience, there’s no need to transfer your project to an unfamiliar company or repeat your pool’s history to a new team.

If a leak has damaged your pool’s surface, HCP Construction’s pool replastering team can restore it with a smooth, long-lasting finish while following the same certified, PHTA-trained standards that guide our service work.

Together, Hill Country Pools and HCP Construction provide Austin homeowners with more than 50 years of combined local experience, from leak detection to complete pool restoration, without requiring you to switch companies.

Hill Country Pools team infront of the office

54 years of pool services.

Hill Country Pools team infront of the office

Welcome to Hill Country Pools, a pool services company that has been serving Austin and surrounding areas since 1972. Now in its third generation of family ownership, we are proud to deliver pool cleaning, maintenance, Leak Detection and pool equipment repair services in the city that we call home.

Get in touch.

We’re here to help, so reach out anytime or drop by during business hours.

More Pool Services

From pool cleaning and maintenance to leak detection and pool repair, Hill Country Pools is the best pool services company in Austin and surrounding areas.

Pool
Cleaning

Pool cleaning is at the heart of what we do. Ask about our no contract approach. We earn your business clean after clean.

Pool
Repair

Pool repair is our strength. Our licensed service technicians ensure that your equipment is running optimally.

Pool
Maintenance

Regular pool maintenance services are essential to keeping your pool healthy for use and operating at peak performance.