5 Signs Your Swimming Pool Has a Leak ( and How to Confirm)

Owning a swimming pool is a luxury, but it comes with its fair share of maintenance responsibilities. One of the more serious issues a pool owner can face is a leak. While a slow drip or small crack might seem harmless at first, even a minor leak can waste thousands of gallons of water, damage surrounding structures, and lead to costly repairs if ignored.

The problem is, pool leaks can be sneaky. They don’t always announce themselves with obvious puddles or gushing water. Sometimes, the signs are subtle changes in water chemistry, damp patches in the lawn, or an unexplained spike in your water bill.

In this guide, we’ll walk you through five clear signs your swimming pool might have a leak, plus some practical ways to confirm it before the problem gets worse. Catching a leak early not only saves water but also protects your investment.