If you see any water damage or standing water, you need better drainage. But you might also check the following: Overflowing gutters during rain Puddles near your foundation Basement water stains Persistent yard puddles “Be aware that excessive puddles in your yard can also be a sign of larger problems lurking below the ground (i.e. a failed septic system or broken sewer main) and should be investigated as soon as possible,” says Jeff Botelho, Expert Review Board member and Massachusetts-licensed journeyman with 15 years’ experience.