Looking for a sinkhole investigation in New Johnsonville, TN? Describe your project once and up to five geotechnical engineers 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. Karst geology makes sinkhole activity a real concern for some properties here.
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
- License: in Tennessee, investigations are signed by a licensed engineer or geologist.
- Insurance: read your policy's sinkhole and ground collapse wording before you file.
- Report: ask for radar results, boring logs and clear conclusions.
- Price drivers: site size, number of borings and testing.
Useful official resources
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USGS: sinkholes
Official information and guidance.
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Florida Office of Insurance Regulation
Official information and guidance.
Services available in New Johnsonville
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Sinkhole investigation
Geotechnical investigation with ground penetrating radar and borings, and an engineer's report.
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Sinkhole repair design
Engineering design and oversight of grouting or underpinning repairs.
Frequently asked questions in New Johnsonville
How much does a sinkhole investigation cost in New Johnsonville, TN?
It depends on the site and the testing. Describe your property: engineers who serve New Johnsonville reply with a quote.
How long does it take?
Often a few weeks including field work and report.
Can a sinkhole be repaired?
Often yes, by grouting or underpinning designed by an engineer.
Which geotechnical engineers will contact me?
Up to five independent geotechnical engineers 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.