Topics
Backups & backwater valves
Sewage in the basement, cleanup, valves and insurance. 6 items, each with key facts and sources.
- Sewage in the basement: what to do first
The order matters. Stop using water, keep away from wet wiring, get out if there is any hint of gas, then work out whether the blockage is in your lateral or the town's main.
- Cleaning up after a sewage backup, by the CDC and EPA rules
Federal guidance sets the gear, the order of work and what has to be thrown away after sewage gets into a basement, plus one firm rule about bleach.
- How a backwater valve keeps the sewer out of the basement
A one-way device on the house sewer line that shuts when the street sewer surges. FEMA describes three kinds, and each has a weakness worth knowing before one goes in.
- When New York's code requires a backwater valve
The state plumbing code ties the requirement to one measurement: the height of a basement fixture against the rim of the next manhole upstream on the public sewer.
- Backwater valve upkeep: what the owner is responsible for
FEMA says the town will not look after a valve on a private lateral. The owner's part is access, periodic inspection and keeping the line free of grease and wipes.
- Sewer backup coverage in New York is usually an add-on
A standard homeowners policy excludes backups. State regulators describe an optional endorsement, and federal flood insurance pays only when a general flood caused the backup.