The main reason a fridge leaks water inside is usually due to a blocked defrost drain or drainage system. This drainage system is responsible for carrying condensation and melted ice water from inside the fridge to a drip tray underneath. If this drain or tube gets clogged with food particles, ice, or debris, water can't drain properly and starts to pool inside the fridge, often near the back or bottom, causing leaks inside the fridge. Other common causes include:
- Clogged or frozen defrost drain blocking water flow.
- Faulty or misaligned water supply lines (especially if the fridge has an ice maker or water dispenser).
- Excessive humidity inside the fridge causing increased condensation.
- Damaged or worn door seals letting warm air in, increasing moisture.
- Cracked or damaged drain pans or water filter issues.
Resolving this usually involves clearing the blocked drain tubes, inspecting and replacing damaged water lines or seals, or unblocking frozen or clogged parts of the drainage system. In many cases, the blockage can be cleared by carefully poking a plastic straw or running warm water down the drain, but some repairs require a professional technician to safely access the components.
Summary of Why Your Fridge Leaks Water Inside
- Blocked defrost drain or drainage tubes (most common)
- Frozen drain or ice buildup causing water blockage
- Damaged water supply line or leaks from ice maker/water dispenser
- Faulty door seals causing condensation
- Excessive humidity leading to moisture buildup inside
Taking care to keep the drainage system clean and ensuring parts like door seals and water lines are intact will usually prevent indoor water leaks in the fridge.
