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Tennessee rules
TDEC septic permits in Bradley County, explained
New septic systems, drain field repairs and additions that add bedrooms all need a permit in Tennessee. In Bradley, Polk and McMinn counties that permit comes from TDEC. In Hamilton County it comes from the county’s Groundwater office. Here’s how it works, in plain English.
When you need a permit
How the steps work
Bradley vs Hamilton County
Quick answer
Who issues septic permits in Bradley County, TN?
The Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources, issues septic (subsurface sewage disposal) permits in Bradley County, as it does in Polk and McMinn counties. In Hamilton County, including Ooltewah and Harrison, the Hamilton County Groundwater office handles them.
TDEC
Bradley, Polk & McMinn
Groundwater
Hamilton County
Before work
When the permit is needed
When you need one
What septic work needs a permit in Tennessee?
| Work | Permit needed? | Notes |
|---|---|---|
| New septic system | Yes | Soil evaluation and design come first |
| Drain field repair or replacement | Yes | A repair permit sets what can be built |
| Adding bedrooms or a guest house | Usually | The system must be sized for the home |
| Tank replacement | Usually | Check with TDEC before work starts |
| Routine pumping | No | Waste must go to an approved disposal site |
| Baffle, lid or riser repair | Usually no | Ask if you’re unsure |
Rules change. Always confirm with TDEC, or Hamilton County Groundwater in Hamilton County, before starting work.
The steps
How does the septic permit process work?
- Apply for a soil evaluation with TDEC (or Hamilton County Groundwater).
- Soil evaluation. The soil is tested to see how fast it takes in water. Red clay drains slowly and needs more field.
- System design and permit. The permit sets tank size, field size and type, based on bedrooms and soil.
- Installation. A permitted installer builds the system to the permit.
- Inspection before cover. The work is inspected before it’s buried.
Local soil
Why do Bradley County permits often call for bigger fields?
Much of Bradley County sits on red clay over rock. Clay takes in water slowly, so the permit usually calls for more trench length than sandy soil would need. On rocky ridges toward Polk County, shallow soil can limit how deep trenches go.
Low ground near the Hiwassee River or a creek can have a high water table in wet months. Those lots may need special designs. The soil evaluation decides, which is why it comes before house plans are final.
Records
How do you find existing septic permit records?
- Ask TDEC for the permit file for your address or parcel
- Check closing papers from when you bought the home
- Ask the previous owner or the builder
- For Ooltewah and Harrison, ask the Hamilton County Groundwater office
- No records? A septic company can locate the tank and map the system
We answer these calls across Cleveland (37311, 37312, 37323), Charleston and Calhoun, Georgetown, McDonald and Hopewell, Ooltewah, Harrison, and Benton and Ocoee, across Bradley, Hamilton, Polk and McMinn counties. See all service areas.
From our crew
What do we tell people planning permitted work?
We help homeowners through permitted jobs all the time. A few things save the most time and money.
- Get the soil evaluation early. Before you pick a house plan or pour a driveway.
- Keep the field area clear. No pools, sheds or parking where the field or repair area may go.
- Plan around the weather. Summer and early fall are easiest for installs on clay.
- Know your county. Near county lines, confirm whether the address is in Bradley, Hamilton, Polk or McMinn.
FAQ
Questions we hear about this
Do I need a permit to repair my septic system in Tennessee?
Drain field repairs and replacements need a permit. Small fixes like baffles or lids usually don’t, but ask if unsure.
How long does a septic permit take in Bradley County?
It depends on TDEC’s schedule, weather and the site. Plan for weeks, not days, for new systems.
Can I install my own septic system in Tennessee?
Check with TDEC before planning it. Work must meet the permit and pass inspection before it is covered.
Who issues septic permits in Ooltewah?
The Hamilton County Groundwater office, because Ooltewah is in Hamilton County.
Do I need a permit to pump my septic tank?
No. Pumping doesn’t need a permit, but the waste must go to an approved disposal site.
Related: Septic system installation · Septic system cost in TN · Drain field repair · Septic inspection · Book a septic pump-out
Last updated September 30, 2026.
Planning permitted septic work?
Call and we’ll walk you through the steps for your address.