How to stop leakage of cement water tank?

1. Check for blockages or cracks in the tank and repair them if necessary.
2. Make sure the tank is sealed properly.
3. Check the water levels regularly to ensure they are within acceptable levels.
4. Adjust the water pressure if necessary.
5. Check the connections of pipes and fixtures to make sure they are tight and secure.
6. Apply a waterproof coating to the outside of the tank to protect it from the elements.
7. Install a pressure tank or an expansion tank to avoid over-pressurizing the tank.
8. Inspect the material of the tank for any damage or corrosion and replace parts as needed.
9. Consider installing a tank liner to increase the efficiency of the tank and minimize water loss.
10. Inspect the tank periodically to ensure it is working properly.