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Septic Indiana

Clark County septic permits

Clark County is the clearest illustration of Indiana county-by-county installer rules. It runs its own installer permit with its own written exam, and it accepts the IOWPA exam in place of its own: pass IOWPA and you skip the county test, but you still file the county application and pay the fees.

Who issues a septic permit in Clark County?

The Clark County Health Department. Under the state rule the owner or the owner's agent has to obtain a written construction permit signed by the health officer before the work starts, and in Indiana that health officer is the county's, not the state's.

Source: 410 IAC 6-8.3-53(a), Indiana Administrative Code, read 2026-08-20.

What does Clark County do differently?

  • To obtain a county installer permit you must pass a written exam and pay any applicable fees. If you have passed the exam issued by the Indiana Onsite Waste Water Professionals Association, you are not required to take the exam offered by the Clark County Health Department, but you still complete the county application. Source: Clark County Health Department, Septic Systems, read 2026-08-20.
  • Anyone who cannot pass the exam, or a representative of their company, sets up an appointment with county staff to review the material. Source: Clark County Health Department, Septic Systems, read 2026-08-20.
  • The county publishes an annual list of permitted installers, an installer permit application and the exam itself, alongside its septic permit application packet. Source: Clark County Health Department, Septic Systems, read 2026-08-20.

Which towns does this cover?

Clark County sits in the Louisville border area, with Jeffersonville as the county seat. Towns served include Jeffersonville, Charlestown, Sellersburg, Borden, Henryville. Anywhere in the county that is not on a sanitary sewer is on a system this page applies to.

Who can legally do the work here?

Indiana has no state septic installer license, so the answer is set by this county. Many Indiana counties require an IOWPA certificate, and some run their own installer permit and exam. Check with the Clark County Health Department before you sign anything, because the requirement is different one county over.

How Indiana county installer requirements work

Source: Indiana Professional Licensing Agency, professions list, read 2026-08-20.

What comes before the application?

Before any construction permit is issued, and before a soil absorption system is replaced or altered, an on-site evaluation including a description of the soil profile has to be conducted. The soil is described by a soil scientist using NRCS guidelines, and the profile is recorded to a depth of five feet or until a layer is reached that cannot be read.

So the first call is usually a soil scientist, not a contractor with a machine. See the soil evaluation and the application sequence.

Source: 410 IAC 6-8.3-56(a) to (c), read 2026-08-20.

The county's own page

Fees, forms and lists change without notice, and the county is the only current source. Clark County Health Department.

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Need the job done, not just the rule explained

Your request goes to an independent local septic contractor serving your Indiana county, not a national lead list.

Tell us the county and the job

Last reviewed 2026-08-20.

(317) 978-3952