If your grease trap has overflowed, it means that the outlet line or somewhere down stream is blocked.
During normal operation the water level inside the grease trap will never rise above the outlet pipe connected to the trap. Here are some common symptoms and some likely causes:
| Symptom | Likely Root Cause |
| Grease Trap is Overflowing | The outlet line from the trap is obstructed |
| Sink connected to grease trap is not draining | The inlet line to the trap is obstructed or the outlet line from the trap is obstructed and trap is sealed well enough to prevent an overflow |
| Sink connected to grease trap drains slowly | There is a partial obstruction potentially in inlet, inside the trap itself (baffles) or in the outlet line |
| Multiple sinks and toilets not draining | There is an obstruction in either a branch or a mainline |
An obstruction occurring downstream of your grease trap is more likely if the trap is not regularly maintained. If you are having your trap cleaned regularly, it is less likely for solids and greases to flow out of the trap and down the outlet line.
Emergency drain cleaning bills can be hefty, please call us to determine the appropriate amount of maintenance to help avoid costly back ups.
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