What type of water damage is not covered by insurance?

What type of water damage is not covered by insurance depends on policy, but standard homeowners insurance typically excludes certain water damage types that are considered gradual, preventable, or flood-related. Generally not covered is damage from gradual leaks and seepage that occurred over long time due to lack of maintenance, such as slow dripping pipe that homeowner ignored for months leading to mold and rot, as insurance expects prompt repair. Also not covered is water damage from flooding, which is defined as water from outside entering home due to heavy rain, overflowing rivers, storm surge, or mudslides, which requires separate flood insurance through National Flood Insurance Program. Damage from sewage backup or sump pump failure is often not covered unless you purchased additional endorsement for water backup. Damage from intentional acts, or from freezing pipes if you failed to maintain heat in home, may be denied. Damage from poor maintenance, like old leaking roof or deteriorated plumbing that you did not repair, is typically excluded. Additionally, mold remediation resulting from long-term leak may not be covered or capped at low limit like 5,000 to 10,000 dollars. Standard policies cover sudden and accidental water damage like burst pipe, appliance overflow, and accidental discharge, but exclude gradual and flood. Always review policy exclusions and consider flood and water backup endorsements for full protection.