Septic permits and fees in Orange County, North Carolina
A septic system permit in Orange County costs $360. The county sets that fee in its own schedule. Orange County Environmental Health issues the permit. State rules fix the tank floor at 1,000 gallons. A private well needs 50 feet from the whole system, a property line 10 feet. Orange County — FY 2025-26 Commissioner Approved Fee Schedule · checked 2026-10-05
$360
Septic system permit
checked 2026-10-05
1,000 gallons
Tank floor, state rule
checked 2026-10-05
50 feet
System to a well
checked 2026-09-23
Which septic permit applies in Orange County?
The septic system permit, and it starts with the site evaluation. The permit follows a passing evaluation. The building permit follows the septic permit.
The rule does not require a percolation test.
N.C. Department of Health and Human Services — On-Site Water Protection · checked 2026-09-23
What are the current septic fees in Orange County?
$360 for a septic system permit, on the county's own fee schedule.
Applies to a three-bedroom home. The fee is $1 per gallon of daily flow, with a $360 minimum.
| Residential Improvement Permit | $360 | a residential system of up to 360 gallons a day the source lists as $1 per gallon per day, $360 minimum |
|---|---|---|
| Residential Construction Authorization | $360 | a residential system of up to 360 gallons a day the source lists as $1 per gallon per day, $360 minimum |
| Construction Authorization for Type >/=IIIb | $200 | a type iiib or higher system the source lists as additional fee |
| Any Application Revision with Field Visit | $200 | a system the source lists as yes |
| Any Application Revision without Field Visit | $50 | a system the source lists as no |
| Existing System Inspection(requiring a field visit) | $200 | a system the source lists as yes |
| Existing System Authorizations (Office authorization, no field visit required) | $50 | a system the source lists as no |
| Existing System Inspection (Wastewater System Type >= IIIb) | $300 | a type iiib or higher system |
| MH Space Reinspection | $50 | any system |
| Denial of Septic Operation Permit/Reinspection | $100 | any system |
| Operation Permit Revision/Renewal | $150 | any system |
| Permit Site Review Revisions (IP, CA, Well) | $140 | any system |
The fee covers the soil check. A larger flow costs more than the minimum.
Orange County — FY 2025-26 Commissioner Approved Fee Schedule · checked 2026-10-05
What state law fixes for every North Carolina system
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1,000 gallons minimum septic tank capacity
Applies to a home of three bedrooms or fewer. A four-bedroom home needs 1,200 gallons.
The county sets a larger tank than the state for a four-bedroom home.
Orange County Rules for Onsite Wastewater Treatment and Dispersal Systems, Rule .0801 Table XIV · checked 2026-10-05
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50 feet from a private drinking-water well to any part of the system
Applies to a private well, or an upslope spring, that serves one home.
Table IX of .0601, measured on the ground from the nearest part of the system. A community or shared well carries a larger setback in the same table. A state value for every North Carolina county.
15A NCAC 18E .0601, Location of Wastewater Systems, Table IX · checked 2026-09-23
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10 feet from any property line
Applies to any property line.
NC Division of Public Health, On-Site Water Protection Branch · checked 2026-09-23
What Orange County requires that the state does not
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60
Applies to an application that waits on the owner.
The state rule lets such an application stand much longer.
Orange County Rules for Onsite Wastewater Treatment and Dispersal Systems, Rule .0202(d) · checked 2026-10-05
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The county lawyer must review a shared land deal for a system. This applies when the system sits on other land or crosses a lot line.
Applies to a system on shared or off-site land.
The state requires the agreement but does not name a reviewer. The county adds that review.
Orange County Rules for Onsite Wastewater Treatment and Dispersal Systems, Rule .0301(b) · checked 2026-10-05
Where do you file the application with Orange County Environmental Health?
Orange County Environmental Health, 131 W. Margaret Lane, Hillsborough, 919-245-2360.
The line has an option for septic applications.
Orange County Government — Septic Systems · checked 2026-10-05
The steps, in the county's order
- Apply for an Improvement Permit. It confirms the soil can support a septic system.
- Apply for a Construction Authorization. It allows the septic system to be installed. The county must issue it before a building permit.
- Apply for a Well Permit if the property is not served by public water.
Orange County Government — Septic Systems · checked 2026-10-05
How do you get a copy of your septic permit record in Orange County?
Ask Orange County Environmental Health for the permit record for the property. Call 919-245-2360 or start at its website.
Orange County Government — Septic Systems · checked 2026-10-05
Sources
Each figure on this page has a government source and a checked-on date.
- Orange County Government — Septic Systems
- Orange County Health Department — 2023 Installer Handbook
- Orange County Environmental Health — Septic and Well Permit Application
- Orange County Rules for Onsite Wastewater Treatment and Dispersal Systems, Rule .0202(d)
- Orange County — FY 2025-26 Commissioner Approved Fee Schedule
- N.C. Department of Health and Human Services — On-Site Water Protection
- USDA NRCS Soil Data Access (SSURGO)
Verify before you act. Septic rules are set locally and they change. Check anything here before you spend money on it. Call the Orange County Environmental Health, on 919-245-2360.