If every drain in the house backs up at once and the home sits on a rural lot, suspect the septic tank or drain field. If the home is on a city sewer and neighbors are affected, suspect the main. A septic contractor or plumber fixes the system; a crew cleans and dries what the sewage reached.
Key takeaways
- Many rural Kaufman County homes use a private septic system and not city sewer, so the first question is which kind of system your house is on. The answer decides who you call for the repair.
- Sewage is Category 3 water. Porous materials it touched are usually removed, hard surfaces are cleaned and treated, and the crew wears protective gear. Stay out of the area until it is handled.
- Cost guides put sewage cleanup for a typical home at about $2,500 to $15,000, with larger jobs above that, and Category 3 mitigation at about $7 to $15 per square foot. These are typical estimates, confirmed on site.
- A standard homeowners policy typically excludes sewer or drain backup unless a backup endorsement was added. Ask your agent; do not assume.
- A restoration crew does not pump septic tanks or repair sewer lines. It cleans, removes, treats and dries the rooms the sewage reached after the source is stopped.
- Heavy rain can overload a saturated drain field. A backup that follows a storm may be a septic problem, a city main problem, or both, and a quick call can sort out which.
How do you tell a septic problem from a city sewer problem?
Start with how your home is served. A house on a city main sends wastewater into the street line, while a rural home sends it to a septic tank and drain field on its own lot. If the lowest drains back up first, or neighbors on the same street are affected, suspect the main. If only your house is affected, suspect the system on your lot.
Inside Terrell and the other cities, most homes connect to a municipal sewer. Out on county roads, many homes do not. Private septic systems, not city sewer, are common in unincorporated Kaufman County, and a house at the end of a farm-to-market road is more likely to have one than a house in a subdivision. Your water bill, your closing paperwork or the county's records can tell you which kind you have, and a tank lid or a grassy mound in the yard is a clue.
The pattern of the backup helps as well. A clog in one fixture usually means a local blockage in a branch line. When the shower, the toilets and the washing machine all back up together, the blockage is further downstream, either in the main line out of the house or in the tank and drain field. On a city sewer, the lowest drain, often a shower or floor drain on the ground floor, is the first to overflow because the sewage rises to the lowest opening.
| What you notice | Points toward | First call |
|---|---|---|
| All drains slow or backing up, rural lot, tank lid or mound in the yard | Septic tank or drain field | Septic contractor or licensed plumber |
| Wet, foul-smelling ground over the drain field after heavy rain | Saturated or failing drain field | Septic contractor |
| Lowest drain overflows, neighbors on the street report the same | City sewer main | City public works or the utility |
| One fixture gurgles or drains slowly, others fine | Local blockage in a branch line | Licensed plumber |
| Backup began right after a flash flood or very heavy rain | Drain field or sewer overloaded by water, or floodwater entering the system | Septic contractor or city, then the cleanup crew |
Why does heavy rain trigger backups around Terrell?
Soil that is already saturated cannot absorb the water a septic drain field needs to release, and sewer lines can take in stormwater through cracks, joints and low manholes. Both situations push wastewater back toward the lowest fixture in the house. A short, hard storm and a day-long soak can each cause it.
A drain field works by letting wastewater soak slowly into the soil. After days of rain, or after a single heavy night, the soil is already full. With nowhere to go, effluent rises toward the surface of the yard or backs up toward the house. That is why a system that behaved all summer can fail the week after a big storm, and it often recovers once the ground dries, though the tank may still need attention.
Terrell sees both kinds of rain. A Sunday-night storm once put 1.78 inches on Terrell Municipal Airport in about 33 minutes, and on October 28, 2023, 10 to 12 inches fell across Kaufman County in about eight hours, with roads, drains and ditches overwhelmed. Those are separate events, and neither means your house is at risk. They do show how fast a low lot, a ditch or a drain field can end up under water.
What should you do in the first hour of a sewage backup?
Stop using water in the house so more sewage is not pushed into the drains, keep people and pets out of the affected rooms, and turn off power to the area only if the panel is dry and safe to reach. Photograph the damage, call the person who can fix the source, and then call a crew for cleanup.
Sewage is not a clean-up-it-yourself spill. It carries bacteria and viruses, and it soaks into whatever it touches. Do not flush, run the dishwasher or wash clothes while the line is backed up, because every gallon you add goes to the lowest opening. Close the door to the affected room, and keep children, pets and anyone who is ill away from it.
If the overflow is near outlets, appliances or a panel, leave the power alone unless you can reach the shutoff without stepping in water. If you have to wade or reach across wet sewage, call an electrician or the utility instead. Wear rubber boots, gloves and eye protection if you must enter, and wash hands thoroughly afterward.
Take photographs before anything is moved. Then call two people. The first fixes the source: a septic contractor for a rural system, a plumber for a house line, or the city for a main. The second, (833) 490-5225, connects you with a local restoration crew, which is dispatched as fast as one is available. Doing both in the same hour keeps the source from refilling the rooms you are cleaning.
Who fixes what: septic contractor, plumber, city or restoration crew?
The source gets fixed first by someone licensed for it. A septic contractor pumps or repairs a tank or drain field, a licensed plumber clears or repairs the house line, and the city handles a broken public main. The restoration crew cleans, removes, treats and dries what the sewage reached, and does not repair the sewer or septic system itself.
People often call the wrong trade first because the symptoms look the same. A restoration crew can extract sewage from a floor, but if the line is still blocked the water will return an hour later. Likewise a plumber can clear a line but does not remove contaminated carpet pad and drywall. Both jobs are needed, in the right order.
In Texas, on-site septic systems are generally regulated at the state level, with local oversight often handled through the county, so a rural homeowner should ask the county or a septic contractor what permits and inspections apply to a repair or replacement. Ask any company you hire for its licence number and what it covers before work starts.
This site connects callers with a licensed local restoration company, and that company does the cleanup. It does not offer plumbing repair, and it does not pump septic tanks. Our sewage cleanup page explains what the cleanup involves, and the water damage restoration page covers the drying that follows.
| Job | Who does it | Not part of restoration |
|---|---|---|
| Pump or repair a septic tank, baffle or drain field | Septic contractor | Yes, not offered |
| Clear or replace a house sewer line, fix a broken fixture | Licensed plumber | Yes, not offered |
| Repair a public sewer main or manhole | City or the utility | Yes, not offered |
| Remove contaminated materials, clean and treat surfaces | Restoration crew | This is the crew's work |
| Dry the structure and confirm readings | Restoration crew | This is the crew's work |
| Replace drywall, flooring and paint after drying | Repair contractor, quoted separately | Not part of the emergency stage |
What does sewage cleanup involve, and why is it priced higher than clean water?
Sewage is Category 3 water, so the crew protects itself, extracts the liquid, removes porous materials that absorbed it, cleans and treats hard surfaces, and dries the structure. Cost guides report about $7 to $15 per square foot for Category 3 work and $2,500 to $15,000 for a typical home sewage cleanup.
The process follows the materials. Standing sewage is pumped out first. Carpet, pad, insulation and low drywall that wicked it up are cut out and bagged, because they cannot be made safe by drying. Hard surfaces such as concrete, tile and framing are cleaned, then treated, and the structure is dried with air movers and dehumidifiers until moisture readings reach goal.
Price follows the same logic. The published ranges below come from restoration-company and cost-guide pages, not from a Terrell price list, and they are wide on purpose. The numbers climb with the area reached, how long the sewage sat, how much material came out and how many days of drying were needed. A backup caught in a bathroom within an hour is a small job. A backup that ran overnight into a hallway and a bedroom is not.
| Item | Typical range | Note |
|---|---|---|
| Sewage backup cleanup, typical home | $2,500 to $15,000 | Cost-guide summary; larger jobs exceed it |
| Category 3 mitigation | $7 to $15 per sq ft | Restoration-company cost pages |
| Category 2 (gray water) mitigation | $4 to $6.50 per sq ft | One source gives $6 to $9 |
| Air mover, per unit per day | $22 to $50 | Equipment rate, varies by market |
| LGR dehumidifier, per unit per day | $75 to $150 | Sources show about $100 a day |
Does homeowners insurance cover a septic or sewer backup?
A standard homeowners policy typically excludes sewer and drain backup unless a water or sewer backup endorsement was added. That endorsement is a common optional add-on in Texas. Whether your policy includes it, and what it pays, is decided by your insurer, so check the declarations page and ask your agent before cleanup starts.
The wording of the exclusion matters. Some policies exclude backup through sewers or drains but cover water that overflows from a plumbing system inside the house, while others handle the two differently still. A backup caused by a flash flood may fall under flood rather than backup, and flood is a separate policy with its own waiting period. Read the policy language, and ask the agent to explain it in plain terms.
Photographs, a written estimate and moisture readings help whatever the outcome. Tell your insurer early, before you throw things away, and keep damaged items long enough for the adjuster to see them if asked. If a claim is denied or slow, the Texas Department of Insurance helps consumers with claim questions and complaints.
No company on this site decides coverage or bills your insurer for you. A crew can give you photos and readings, and you decide how to use them.
How do you prevent the next backup on a rural Kaufman County lot?
Keep drains clear of grease and wipes, have the septic tank inspected and pumped on a schedule a contractor recommends, keep vehicles and heavy loads off the drain field, and divert roof and ditch runoff away from it. If your house is on a city sewer, ask the city about a backwater valve and a backup endorsement.
Septic systems fail from a handful of causes you can influence. Grease, wipes, feminine products and excessive bleach disrupt the tank. Trees planted close to the drain field send roots into lines. Driving a truck or tractor across the field compacts soil and cracks pipe. Roof gutters and a ditch that discharge toward the field add water it cannot handle. A septic contractor can tell you how often your tank should be inspected and pumped, since that depends on its size and household use.
On a city sewer, the protection is different. A backwater valve on the house line can stop sewage from rising into the house when the main surges, and a plumber can tell you whether one makes sense for your lot. It is worth pairing with a conversation with your insurance agent about a backup endorsement, because the valve reduces the risk but does not remove the question of coverage.
Frequently asked questions
Can a restoration crew pump my septic tank?
No. Pumping and repairing a septic tank or drain field is a septic contractor's job. The crew cleans and dries the rooms the sewage reached once the source has been stopped.
Is it safe to stay in the house during a sewage backup?
Usually not in the affected rooms. Sewage carries bacteria and viruses, so keep children, pets and anyone ill away until the area has been cleaned and treated. If the whole house is affected, plan to stay elsewhere.
How do I know whether the backup is septic or city sewer if I am not sure what I have?
Check your water and sewer bill, closing paperwork or the county's records, and look for a tank lid or a mound in the yard. A plumber with a camera can also trace the line and tell you where the blockage sits.
Will the smell go away after cleanup?
It should once the contaminated porous materials are removed, the surfaces are cleaned and treated, and the structure is dry. A lingering smell afterward usually means something absorbent was missed, and a crew can re-check with moisture readings.
What if the backup happened during a flood?
Floodwater and sewage often mix, and the insurance question changes because flood is a separate policy from backup. Treat it as contaminated Category 3 water and read our guide to flood cleanup in Kaufman County.
Sources
- U.S. EPA: Septic Systems (Onsite Wastewater)
- TCEQ: On-Site Sewage Facilities (Septic Systems)
- Texas Department of Insurance: Home insurance
- City of Terrell: Water
- Voda Cleaning & Restoration: cost of water damage restoration in Greater Dallas Fort Worth
This guide is general information for Kaufman County homeowners, not a substitute for an on-site inspection. Prices are estimates. See our disclaimer.