A surprising number of septic calls around Huntsville start with the same sentence: "I don't know where the tank is." Maybe you bought the house last year, or the lids were mowed over long ago. The tank has to be reachable for pumping, and the drain field has to be known so nobody parks a trailer or digs a fence line through it. ADPH says it plainly: locating a system is not always easy (ADPH). These are the places to look, cheapest first.
Start with the Approval for Use diagram
When a system is permitted in Alabama, the county health department inspects it before it is covered and issues an Approval for Use. ADPH says that completed permit has a diagram of the actual installation along with other details about the system. Owners, and agents working for them (attorneys, real estate agents, septic companies, developers), can ask the county health department for it directly. Anyone else goes through the department's Records Request page (ADPH septic tanks).
The county that matters is the one the house is in, not the mailing address. Huntsville and the city of Madison both reach west into Limestone County, so a Huntsville or Madison address can still belong to the Athens office.
| Property in | Ask |
|---|---|
| Madison County: Huntsville, Madison, Harvest, Hazel Green, Meridianville, New Market, Owens Cross Roads, Gurley | Madison County Health Department, Community and Environmental Protection, 301 Max Luther Drive NW, Huntsville |
| Limestone County: Athens, Ardmore, Elkmont, the west side of Huntsville and Madison | Limestone County Health Department, 20371 Clyde Mabry Drive, Athens |
| Marshall County: Guntersville, Arab, Albertville, Boaz | Marshall County Health Department environmental office, 150 Judy Smith Drive, Guntersville |
Have the address, the parcel or subdivision lot, and roughly when the house was built. If the system went in without a permit, or the house is old enough that the file is thin, the office may have nothing, and you move on to the steps below. The permits page explains what else those offices handle.
Other paperwork worth digging out
- The Homeowner's Guide and Record Folder. ADPH notes that county health departments hand these out, with room to sketch your own system layout. Check the closing papers.
- Old pumping tickets. An AOWB-licensed pumper who emptied the tank before often notes where the lids were, and may still have it on file.
- The seller or builder. EPA's guide for home buyers lists the seller and a past service provider alongside the as-built drawing as the usual ways to find a system (EPA).
Tell us the town and the trouble, and we will put you through to a licensed septic contractor. (256) 692-6131
Clues on the property
- Where the drain leaves the house. Find the main sewer line in the crawlspace or where it exits the slab or foundation. The tank sits out along that line, and on a gravity system the field will be downhill of it.
- Risers. Tanks built under the current rules have risers at least 18 inches across over both the inlet and outlet, with watertight covers that lock or need a tool. Green or black plastic lids flush with the lawn are exactly what you are looking for.
- Grass. In a dry August, the soil over a shallow tank lid often browns out first, and the grass over drain lines can stay greener in stripes.
- Pump systems. If there is a control panel or alarm box on a post or the house, there is a pump tank nearby, and its lid is usually close to the surface so the pump can be serviced. See pump and alarm service.
Probing in limestone country
With a likely spot picked out, a steel probe pushed in every foot or so along the sewer line will strike the tank top. Call Alabama 811 before any digging so buried power, gas and fiber lines are marked, and never put your head into an open tank. Much of the Huntsville area sits on cave-forming limestone, so do not mistake a soft depression for a tank: a real sinkhole is something to keep away from, and ADPH's rules keep septic systems at least 50 feet from a sinkhole rim. Our soil and sinkholes guide covers why.
When none of that works, a septic contractor can feed a small transmitter or camera down the cleanout and follow the line from above, then dig only where the tank actually is. That is often cheaper than paying for a crew to dig test holes across the yard.
Write it down once you find it
Measure from two corners of the house to each lid, take a photo, and keep it with your service records. If the lids are buried, ask the pumper about adding risers; an Alabama pumper license covers repairing and replacing risers and lids. Next time the tank is due for pumping, or a buyer's inspection comes up, nobody will be hunting. If you'd rather hand the whole job off, call the number on this page and a licensed local septic contractor will locate it for you.
FAQ
Who can get a copy of my septic permit in Alabama?
ADPH says the property owner or the owner's agent, such as an attorney, real estate agent, septic company or developer, can request septic information from the county health department. Anyone else uses ADPH's Records Request page.
My house is in Madison. Which health department has the record?
The one for the county the parcel sits in. Most of Madison is in Madison County, but the city extends into Limestone County, where records are kept by the Limestone County Health Department in Athens.
Does locating the tank cost extra?
That is up to each contractor. Many include it with a pump-out when the lids are easy to find and charge for digging or electronic tracing when they are not, so ask when you book.