Looking for a septic inspector in New Johnsonville, TN? Describe your project once and up to three certified septic inspectors who work in New Johnsonville and Humphreys County get back to you with a quote. It's free and there is no obligation.
New Johnsonville is home to about 1,840 people (2024 Census Bureau estimate), a growing community (+1.9% since 2020). With 358 people per sq mi, it is a semi-rural area. Homes outside the reach of public sewer rely on septic systems, and buyers, sellers and lenders often need an inspection before a sale closes.
New Johnsonville at a glance
- Population (Census Bureau estimate, 2024)
- 1,840 (+1.9% since 2020)
- Rank in Tennessee
- 183rd of 344 cities and towns
- Land area
- 5.1 sq mi
- Population density
- 358 people per sq mi (semi-rural)
- Type
- City (New Johnsonville city)
- Main county
- Humphreys County
What to check before hiring in New Johnsonville
- Rules: in Tennessee, the state or county health department sets who may inspect septic systems and whether an inspection is required at the time of sale.
- What to expect: locating and opening the tank, measuring sludge, checking baffles and the drain field.
- Price drivers: whether pumping is included, how deep the tank is buried, and the type of system.
- Records: the health department may hold the permit and the as-built drawing of the system: ask for them.
Useful official resources
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EPA: septic systems
How septic systems work and how to care for them.
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EPA: septic system care
Maintenance tips once you own the home.
Services available in New Johnsonville
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Septic inspection for a home sale
Inspection of the tank and drain field during a sale, with the report requested by the buyer, the lender or the county.
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Septic inspection for a problem
Inspection to find the cause of backups, odors or a soggy drain field, with camera or dye tests if needed.
Frequently asked questions in New Johnsonville
How much does a septic inspection cost in New Johnsonville, TN?
It depends on the system, how hard the tank is to reach and whether pumping is included. Describe the property: inspectors who serve New Johnsonville reply with a quote.
Is an inspection required to sell a home in Tennessee?
Rules differ by state and county. Your agent or the local health department can tell you whether a point-of-sale inspection applies.
How long does an inspection take?
Usually a few hours on site, with the report a few days later. Tell us your closing date in the form.
Which certified septic inspectors will contact me?
Up to three independent certified septic inspectors who serve New Johnsonville and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.