sewer backup coverage

Overland water and sewer backup coverage protects your property from:
Damage caused by sudden accumulation of ground water or surface water, such as excessive rain, overflowing rivers, spring run-off, or melting snow. Note: This excludes damage caused by saltwater, including tidal waves and tsunamis.
Damage to your property caused by the rupture or escape of water from a sewer, drain, sump pump, or septic system.