Poll: Would This Claim Be Covered? The Sewer Backup Scenario

Poll: Would This Claim Be Covered? The Sewer Backup Scenario

This one scenario shows up in real claims offices every storm season, and in some version on almost every P&C exam. Vote your answer in the comments before you scroll to the reveal. No peeking.

The Scenario

Maria owns a single-family home insured with a standard, unendorsed HO-3 homeowners policy. Replacement cost on the house, a $1,000 deductible, every premium paid on time.

During a heavy September storm, two things happen to her house:

1. A tree branch punches a hole in her roof during the windstorm. Rain pours through the opening and ruins part of the ceiling and attic. 2. The same storm overwhelms the municipal storm drains. Water backs up through her basement floor drain and soaks the carpet, furnace, and stored boxes. About $8,000 in damage.

Maria files one claim for everything.

The Poll: What does the policy pay?

A) Everything. It's all one storm, and her HO-3 covers windstorm and water damage.

B) Only the roof and ceiling damage. Rain entering through a covered opening is covered. Water from below is not.

C) Only the basement damage. The policy covers plumbing backups and overflow.

D) Nothing. Water damage of any kind is excluded under every homeowners policy.

Cast your vote in the comments: A, B, C, or D.

Why This One Trips People Up

Most people read "water damage" as one thing. An HO-3 reads it as several very different things, and the answer depends entirely on where the water came from and how it got there. Water entering through a covered peril's opening? One answer. Water that backs up through a drain? A different answer. Water that crosses the surface of the ground? A third answer.

The exam loves this confusion, because it separates people who memorized coverage lists from people who can trace a loss back to its cause.

The Reveal

The correct answer is B. Here's the reasoning, step by step.

The roof damage IS covered. Windstorm is a covered cause of loss under the HO-3. The rain entered through an opening created by the covered cause, so the whole chain of loss traces back to windstorm. Covered, subject to her deductible.

The basement damage is NOT covered. The HO-3's Water Damage exclusion removes several water causes from the policy regardless of what else contributes: flood, surface water, water below the surface of the ground, and specifically water that backs up through sewers or drains or overflows from a sump. That anti-concurrent-causation language means even though a covered storm contributed to the backup, the excluded cause wins. Maria would need the Water Backup and Sump Overflow endorsement to pick up this loss, and it wasn't on her policy.

Why the wrong answers are wrong:

A is the trap. One storm produced two separate causes of loss, and each cause is analyzed on its own chain. Wind gets the roof covered. The sewer backup stands on its own excluded cause. They don't merge into "storm damage."

C flips the rule. Sudden accidental discharge from plumbing inside the house is covered. Backup and overflow through sewers, drains, and sumps from outside the system is excluded. The exam tests whether you know which direction the water was traveling.

D overcorrects. Plenty of water losses are covered under the HO-3, including the rain through Maria's roof opening and a burst pipe indoors. And flood can be insured, just not through this policy. It takes a separate flood policy, typically through the National Flood Insurance Program.

How the Exam Asks It

Expect one of three formats:

Scenario questions giving you a storm with multiple losses, asking which loss is covered or which is excluded. Definition questions pairing "backup of sewer or drain" with the correct exclusion. Endorsement questions asking which endorsement would have covered the basement loss. Answer: Water Backup and Sump Overflow, subject to its own sublimit and deductible.

The Bottom Line

Treat every water loss on the exam as a direction-of-travel question. Where did the water come from, and what caused it to move? Through an opening a covered peril made? Covered. Out of the plumbing inside the walls? Covered. Up through a sewer, drain, or sump? Excluded unless endorsed. Across the surface of the ground? Flood. A separate policy entirely.

Water is one word. The exam treats it as four different causes of loss. So should you.

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