Answers · Local and counties

Where do I get a perc test in Carroll County?

Short answer

The application goes to the Carroll County Health Department at 605-15 Pine Street in Hillsville, which is part of the Virginia Department of Health, not county government. The soil evaluation comes from a licensed onsite soil evaluator, or a professional engineer working with one, hired privately. A percolation test is not automatic; the health department may require one when it questions the estimated percolation rate.

Updated September 14, 2026 · Sources · General information, not legal, tax or lending advice
Where the file goes

605-15 Pine Street, a state health office that sits among the county's own

The address is the Carroll County Health Department, 605-15 Pine Street, Hillsville, VA 24343, phone (276) 730-3180. It carries the county's name, but it is part of the Virginia Department of Health (VDH), and that is the first thing to get straight.

Office
Carroll County Health Department
Address
605-15 Pine Street, Hillsville, VA 24343
Phone
(276) 730-3180
Part of
VDH's Mount Rogers Health District, whose offices also include the Galax City, Grayson County and Wythe County health departments
Its role
Takes the application, reviews the private sector soil work and design, and acts on the request

Sewage disposal construction permits are issued by the State Health Commissioner, but every request goes first to the district or local health department, which implements and enforces the regulations. In Carroll County that local office is on Pine Street, and the county's own land offices, with their numbers, are listed on the Hillsville page. Call the number above before driving over with paperwork.

Not the building desk

The county's building office comes second, after the health department has signed off

The septic question does not start with the county's building official. The building permit is a county permit; the septic permit is not, and the county cannot issue the first without the health department's say.

Va. Code 32.1-165 makes the county's building permit for a house wait on the Commissioner's written authorization. So on land with no public sewer, the soil work and the health department's answer come before the house permit, not alongside it; what that authorization rests on is laid out in septic systems explained. How the septic step fits among the entrance, well and building permits for a new house is laid out under the permits you need to build a house in Virginia.

Before the application

The soil evaluation is private work, done by someone DPOR has licensed

The health department on Pine Street reviews soil work. Outside a narrow petition route, it does not perform it.

Beginning August 11, 2019, every application for an onsite sewage system or a private well has had to be accompanied by supporting work from a private sector consultant licensed through the Department of Professional and Occupational Regulation (DPOR). VDH offers evaluation and design services only to owners who petition and meet its means test or its hardship guidelines. The Mount Rogers Health District says designs are submitted by the private sector for its staff to review in all its localities except Wythe and Smyth Counties, where it provides direct design services, and that it is a provider of last resort everywhere. Carroll County is on the private sector side of that line; the Wythe County side is covered on the Austinville page.

  • A licensed onsite soil evaluator is authorized to evaluate soils and soil properties as locations for onsite sewage systems, and VDH accepts private evaluations for septic permit applications only from licensed onsite soil evaluators.
  • VDH does not endorse or recommend any septic or well service provider, and it points owners to the DPOR website to search licensed onsite soil evaluators, engineers, installers and well drillers.

Who places the order, whose signature goes on the application and who pays are separate questions, answered under who orders the perc test, buyer or seller.

The sequence

Five steps from a Carroll County tract to the health department's answer

Put in order, the path for a single Carroll County parcel runs like this.

01

Confirm the county

Check the recorded deed and plat. A mailing address does not settle which health department a parcel belongs to (an Austinville address, for one, crosses the Wythe and Carroll county line), and each locality in the district has its own office.

02

Find a licensed professional

Search DPOR's license records for an onsite soil evaluator, or a professional engineer working with one. VDH endorses no one, so the choice is the owner's.

03

The soil evaluation

The evaluator examines the site and the soil. A percolation test is not automatic: it may be required as a prerequisite to a permit, and the health department may require one when it questions the estimated percolation rate. Where one is done, it is analyzed as only one of many criteria.

04

File at Pine Street

The application, with the licensed professional's supporting work, goes to the Carroll County Health Department at 605-15 Pine Street.

05

Review and response

The health department reviews the submission and acts on it. How long that takes depends on what was filed, and the review clocks are set out under how long a perc test takes.

One choice comes before the filing: whether to ask for a letter that says the site can take a system, or for a construction permit to build one. What each document is, and why the order matters, is explained step by step in how perc tests work.

More than one lot

Dividing Carroll County land puts a soil evaluator on every lot

The same office handles a subdivision, but the county's own ordinance adds a requirement of its own.

Carroll County's subdivision ordinance, in the April 14, 2014 text posted on the county's site, requires developers to use an authorized onsite soil evaluator for each lot's soil evaluation, layout and sewage design. It also gives each drainfield a septic reserve area equal to 50 percent of the drainfield, on which no structure may be built. So a tract headed for division is not one perc test; it is one soil evaluation and one sewage design per lot. That ordinance covers land outside the incorporated towns; a division inside the Hillsville town limits goes through the Town's own subdivision rules.

Land across a county line goes to a different office entirely. Which health district and which planning office answer for each of the other counties and the City of Galax is set out on the six counties and the City of Galax.

Get started

Own a Carroll County parcel that has never had a soil evaluation?

Send the road and the rough acreage, and Lowell will talk through where a soil evaluation and the Pine Street filing fit in selling the parcel, whole or divided. No cost, no obligation.

Office107 Raintree Road, Hillsville, VA 24343
Goes straight to Lowell Bowman.

Got it. Thank you.

We'll be in touch shortly with an honest read.

Questions

Questions this raises

How do I find a licensed onsite soil evaluator for land in Carroll County?

Through the Department of Professional and Occupational Regulation. VDH says it does not endorse or recommend any septic or well service provider, and it directs owners to the DPOR website to search licensed onsite soil evaluators, professional engineers, septic installers and well drillers. The choice of whom to hire is the owner's.

Can the Carroll County Health Department do the soil evaluation itself?

Only in narrow cases. Beginning August 11, 2019, VDH has required licensed private sector work with every onsite sewage and private well application, and it offers its own evaluation and design services only to owners who petition and meet its means test or its hardship guidelines. The Mount Rogers Health District calls itself a provider of last resort in all its localities. Whether an owner qualifies is a question for the Carroll County Health Department.

Sources

Where this page's facts come from

Every rule, office and figure above traces to one of these. Rules change; check the office before you act on one.