Septic rules and requirements in Iredell County, North Carolina

Septic permits in Iredell County are issued by the county environmental health office. A new system permit costs $500. USDA splits the soil in the county almost evenly between Somewhat limited and Very limited for septic absorption fields. That is 50.8% against 49.2% of the rated acres, a statistical tie. Iredell County — Environmental Health · checked 2026-09-23

$500

Septic system permit

checked 2026-09-23

Somewhat limited or Very limited

USDA rating, a statistical tie

checked 2026-09-11

Who issues septic permits in Iredell County?

The county environmental health office, at 349 N Center St, Statesville, NC 28677, 704-878-5305. It is part of county government. The state writes the rules it applies.

The Statesville office. Both open Monday to Friday, 8:00 a.m. to 5:00 p.m.

Iredell County — Environmental Health · checked 2026-09-23

What does a septic permit cost in Iredell County?

$500 for a septic system permit, on the county's own schedule.

Applies to a gravity septic system, the lower of the two tiers.

The county's fee table for this permit
Gravity septic permit fee shown above	$500	a gravity system
Pump septic permit fee	$1,200	a pump system

The gravity fee is paid up front. For a pump system, the balance is due before the county releases the permit. A county zoning fee is charged with it. If the lot is not ready at the first site visit, the county charges a re-visit fee. The county sets these fees, not the state.

Iredell County Health Department — How to Apply for a Septic Improvement Permit · checked 2026-09-23

What does an inspection cost in Iredell County?

These are prices, not permit fees. Each one comes from a government source.

$250 for an inspection.

Applies to an inspection of an existing septic system, the fee set on July 1, 2025.

The county charges a lower fee for an inspection under the state's AOWE process.

Iredell County Health Department — Environmental Health Approved Fees 2025-2026 · checked 2026-09-23

Is the soil in Iredell County suitable for a septic system?

USDA splits the county almost evenly between Somewhat limited and Very limited for septic absorption fields. It is a statistical tie, so the county has no single dominant rating. A rating describes the ground, not a parcel. The county's site evaluation decides each lot.

Somewhat limited — 169,902 acres — 50.8% of 334,698 rated acres.
Very limited — 164,796 acres — 49.2% of 334,698 rated acres.
Not rated — 30,970 acres, excluded from the denominator — mostly urban land and water.

USDA NRCS Soil Data Access (SSURGO) · checked 2026-09-11

What Iredell County sets itself

The state writes the code. Iredell County adds the rules below. They are what makes this page differ from the North Carolina requirements.

$500

Applies to a gravity septic system, the lower of the two tiers.

The gravity fee is paid up front. For a pump system, the balance is due before the county releases the permit. A county zoning fee is charged with it. If the lot is not ready at the first site visit, the county charges a re-visit fee. The county sets these fees, not the state.

Iredell County Health Department — How to Apply for a Septic Improvement Permit · checked 2026-09-23
The county requires backhoe pits for every soil evaluation. Dig them only after the Specialist has scheduled the visit.

This is the county's own rule. It lets the county require pits when it finds them necessary. Iredell County requires them every time. Your backhoe operator must be on site during the evaluation.

Iredell County Health Department — How to Apply for a Septic Improvement Permit · checked 2026-09-23
$77

Applies to every septic permit application. The county collects it as a zoning fee.

A county zoning fee charged with the septic permit fee. The state rules set no such fee.

Iredell County Health Department — How to Apply for a Septic Improvement Permit · checked 2026-09-23

Sources

Each figure above has a government source and a checked-on date. USDA's Soil Data Access service supplies the soil records. A script writes them, and nobody types them.

Iredell County — Environmental Health · checked 2026-09-23
Iredell County — Onsite Water Protection · checked 2026-09-23
Iredell County Health Department — How to Apply for a Septic Improvement Permit · checked 2026-09-23
15A NCAC 18E .0801, Septic Tank Capacity Requirements · checked 2026-09-23
USDA NRCS Soil Data Access (SSURGO) · checked 2026-09-11
Iredell County Health Department — Environmental Health Approved Fees 2025-2026 · checked 2026-09-23

Verify before you act. Septic rules are set locally and they change. Check anything here before you spend money on it. Call the county environmental health office, on 704-878-5305.