Emergency Severe Drain Backups: What to Do Before the Plumber Arrives
- ATP Plumbing and Drain

- 21 hours ago
- 3 min read

Few plumbing emergencies are as stressful—or as messy—as a severe drain backup. When wastewater starts backing up into sinks, tubs, showers, or floor drains, every minute counts. Left untreated, a drain backup can cause water damage, expose your family to harmful bacteria, and disrupt your entire home.
At ATP Plumbing & Drain LLC, we provide 24/7 emergency drain cleaning and plumbing services throughout New Orleans, Metairie, Kenner, Gretna, Mandeville, Covington, Slidell, Madisonville, Pearl River, Lacombe, and the entire Northshore. If you're dealing with a severe drain backup, our experienced plumbers are available day or night to get your plumbing flowing again.
What Is a Severe Drain Backup?
A drain backup occurs when wastewater cannot move through your plumbing system because of a blockage or sewer line problem. Instead of draining away, the water reverses direction and comes back into your home.
Unlike a simple clogged sink, a severe backup often affects multiple drains at the same time and requires immediate professional attention.
Signs You Have a Serious Drain Backup
Watch for these warning signs:
Water backing up into sinks or tubs
Multiple drains clogging at once
Toilets overflowing after flushing
Gurgling sounds from drains or toilets
Foul sewer odors inside your home
Water coming up through floor drains
Slow drainage throughout the house
If several plumbing fixtures are experiencing problems at the same time, the issue may be in your main sewer line rather than an individual drain.
Common Causes of Drain Backups
Several plumbing issues can lead to a serious backup.
The most common include:
Grease and food buildup
Tree root intrusion
Flushed wipes and hygiene products
Collapsed sewer lines
Pipe corrosion
Heavy sludge buildup
Foreign objects lodged in the drain
Aging plumbing systems
Professional drain cleaning equipment is often needed to completely remove these blockages.
What to Do During a Drain Backup
If wastewater is backing up into your home, taking the right steps can help reduce damage and protect your family's health.
1. Stop Using Water Immediately
Avoid running faucets, flushing toilets, using the dishwasher, or doing laundry.
Adding more water to the plumbing system can make the backup significantly worse.
2. Keep Family Members Away
Wastewater can contain harmful bacteria and contaminants.
Avoid contact with standing water until the problem has been resolved.
3. Turn Off Appliances if Necessary
If water is approaching electrical outlets or appliances, turn off power to the affected area if it is safe to do so.
4. Call ATP Plumbing & Drain LLC
Our emergency plumbing team can quickly locate the blockage using professional diagnostic equipment and restore proper drainage before additional damage occurs.
How We Fix Severe Drain Backups
Every plumbing system is different, so we begin with a thorough inspection to determine the cause of the backup.
Depending on the issue, we may recommend:
Professional drain cleaning
Hydro jetting
Sewer camera inspections
Main sewer line cleaning
Root removal
Sewer line repair
Sewer line replacement
Our goal is to solve the problem—not just temporarily relieve the symptoms.
Why You Should Never Ignore a Drain Backup
Even if the water eventually drains away, the underlying problem remains.
Ignoring recurring backups can lead to:
Water damage
Mold growth
Sewage contamination
Damaged flooring and drywall
Pipe damage
Expensive sewer repairs
Early intervention can often prevent a much larger and more costly plumbing emergency.
Preventing Future Drain Backups
While not every backup is preventable, a few simple habits can reduce your risk.
We recommend:
Avoid pouring grease down drains.
Never flush wipes, paper towels, or hygiene products.
Schedule routine drain cleaning.
Have older sewer lines inspected with a sewer camera.
Address slow drains before they become complete blockages.
Consider hydro jetting for recurring buildup.
Preventative maintenance can help keep your plumbing system flowing properly year-round.
Call ATP Plumbing & Drain LLC for Emergency Drain Backup Service
When wastewater begins backing up into your home, you need fast, dependable service from experienced plumbers.
ATP Plumbing & Drain LLC proudly provides 24/7 emergency drain cleaning and sewer services throughout:
New Orleans
Metairie
Kenner
Gretna
Mandeville
Covington
Slidell
Madisonville
Pearl River
Lacombe
The entire Northshore region
Whether you're dealing with a clogged main sewer line, overflowing toilet, or severe drain backup, our team has the equipment and expertise to restore your plumbing quickly and safely.
Call ATP Plumbing & Drain LLC anytime—day or night—for fast emergency drain backup service: https://www.atpplumbinganddrain.com/contact-us




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