Is this a septic emergency?
Sewage coming up through a floor drain, tub or toilet is an emergency. So is sewage pooling over the field or running toward a ditch, and a pump or high-water alarm that will not clear. A slow drain or a faint odor is a warning that can usually wait a day, but it should not be ignored. The septic warning signs guide helps you tell the two apart.
If you are unsure, call and describe what you see. Say where the water is showing up, whether it is getting worse, and when the tank was last pumped. That tells the crew whether to start at the tank or the field.
What should I do right now when my septic system backs up?
After a backup, the first move is to cut off water use and call a professional. Each gallon you send down adds to what is already overflowing.
Stop the water
No laundry, dishwasher, showers or flushing. Turn off any pump that feeds the system if you know how.
Keep people and pets away
Virginia Tech’s septic guide says to keep children and pets away from a failure area, block it off and notify the local health department.
Leave the tank and drains alone
- Do not open or dig up the tank
- Do not pour chemical drain cleaners into the system
- Have the last service record and tank location ready for the call
Why is my septic system backing up?
The cause decides the fix, and the tank is the first place to look.
A full tank
When sludge and scum have built up, solids reach the outlet and the system backs up. Pumping often brings the house back into use.
A clogged filter or outlet
A blocked baffle, effluent filter or outlet pipe stops flow even when the tank is not full.
A failed drain field
A field that cannot absorb water will back up again after pumping. That moves the work to distribution box repair, drain field jetting or a replacement field.
What happens when the crew arrives?
The crew checks the tank level, the inlet and outlet, and the line between the house and the tank. If the tank is the cause, it is pumped. If it is not, the crew looks at the distribution box, the field, and any pump, float or alarm panel, and tells you what was found and what each fix involves.
A system with an alarm may need sewer alarm repair after the immediate problem is cleared.
Have the lid clear before the truck arrives. If the lid is buried, tell the crew when you call, because finding it adds time. A riser added afterward saves the next emergency from starting with a shovel.
What should I do after a backup?
Clean affected floors with a disinfectant and keep people and pets off wet areas until they are dry. Spread out laundry and showers over several days. Then book routine pumping on schedule so the tank does not reach that point again. A system that backs up twice in a season needs a closer look at the field.
Emergency calls also come from commercial properties, such as a restaurant or church whose tank backs up on a busy day. Owners in Lynchburg and Amherst County can find their health department contact on those pages.
Pascat photo requestPhoto needed hereSeptic tank lid pulled off at ground level with a pump hose lowered in, shot from standing height at dusk with a work light on the lid; no sewage visible.
Common questions
What should I do first if my septic tank backs up?
Cut off water use in the house and call a professional. Do not keep flushing or running appliances. Keep children and pets away from sewage on the floor or ground, and do not open or dig into the tank. Have your last service record ready, and note where the water is showing up and when the tank was last pumped.
Can I keep using water if the septic alarm is going off?
Use as little as you can and call. An alarm means liquid is rising in a pump chamber or tank beyond its normal level. More water can push it into the house or onto the ground. Skip laundry and dishwasher cycles, and keep showers short until a technician has checked the float, the pump and the tank level.
Will pumping fix a septic backup?
If the tank is full, pumping often restores service. If the drains back up again soon after, the cause is likely the outlet, the distribution box or the drain field, and each needs its own repair. A crew that checks those parts during the pump-out can tell you which one it is before the truck leaves.
Is it safe to use drain cleaner on a septic backup?
No. Chemical drain cleaners can harm the bacteria in the tank and do not clear a backup caused by a full tank or a failed field. The EPA recommends boiling water or a snake for a simple clog. When several drains back up together, the blockage is past the fixture, and a professional needs to look at the tank and line.
Does homeowner’s insurance cover septic backup?
That depends on the policy. Sewer or septic backup coverage is often sold as an add-on, so read yours or ask your agent before you need it. Dunn Rite can describe what it found and what it did, and a written record of the visit helps with a claim, but the insurer decides what is covered.
Will someone answer a septic emergency at night or on weekends?
Dunn Rite lists emergency septic service, but this site does not publish hours or a response time, so none is promised here. Call (434) 221-9885 and say what is happening: sewage in the house, an alarm that will not clear, or sewage on the ground. While you wait, cut back water use, keep people and pets away from the spill and leave the tank closed.