Equipment pad leaks on Phoenix-area pools

What usually fails on the pad

Pump lid O-rings, barrel unions, filter backwash valves, heater bypasses, and salt-chlorinator cells are the common drips. A loose union can throw a fan of water that evaporates before you walk outside at noon.

Look in the morning. Look while the pump is running. Write which piece is wet. If everything is dry and the pool still drops, this may not be a pad job — send the request anyway and say the pad is dry.

Pad leak versus buried plumbing

A pad leak is visible once someone is standing there. Buried plumbing is not. Mixing the two wastes a pressure-test if the union was the whole problem, and it wastes a gasket run if the line under the deck is open.

A locator can cap and watch. You do not need to buy parts before they look. This page will not sell you a union kit.

Typical cost and timing — not a quote

If the find is a lid O-ring or a union, the on-site fix is often well under the cost of a full locate-plus-repair package — sometimes a service-call minimum plus a part. A heater header or a cracked filter body is more. A locate fee may still apply if they came to find an unknown leak.

Same-day pad visits happen when a provider has a gap. We cannot dispatch one.

Safety note we will not oversell

Standing water on a pad next to a heater or a timer is a reason to shut the system down if you know how. We are not on the phone walking you through a breaker. Put “water at the timer” in the form so the person who calls treats it as urgent.

Related guides

Short explainers that point at this request. They are not a site visit and not a bid.

• How to find a pool leak

Local statistics

Phoenix pool leak statistics, 2026 — public-record figures, not a bid from Phoenix Pool Leak Detection.