The Bedfordshire town was hit by a magnitude three tremor on Tuesday morning.
Anglian Water has apologised for the disruption, which began on Friday evening.
Thursday is World Malaria Day - a moment to reflect on the enormous global efforts taking place to rid the world of this terrible disease. It's also a poignant reminder of all those who have lost their lives to malaria, including my son Harry who died in 2005.
The UK is seeing a rise in the number of rough sleepers being exploited and enslaved by criminal gangs, charities are warning