Home Articles Fix a Leak Week Fix a Leak Week Posted: Monday, January 4, 2021 Fix a Leak Week is March 15-21, but remember that you can fix leaks around your home to save water and money all year long. You might have a leak if: Youāve noticed an increase in the amount of water used on your billing statement with no explanation. Have a plumbing fixture that runs and doesnāt stop. Have water pooling in specific locations. For our free Water-Wise House Call program, visit MesaWater.org/Save-Water.