The state has 3,260 home well records for Knox County.
The median well is 240 feet deep, 90 feet deeper than the typical Tennessee county.
Half of these wells are between 162 and 365 feet, so your well could be quite different.
- Median depth
- 240 feet
- Median yield
- 10 gallons per minute
- Median water level when drilled
- 60 feet
- Wells under 5 gallons per minute
- 19.5%
Where wells are in Knox County
What drillers noted about the water
Of 2,112 records with a water note, 10 mention sulfur, 6 mention iron and 72 mention cloudy, dingy or muddy water.
Those notes were made once, when each well was finished, so they don't show how common these problems are today. A water test is the only way to know what's in yours.
Wells by decade drilled
| Decade | Home wells | Median depth |
|---|---|---|
| 1960s | 398 | 158 ft |
| 1970s | 521 | 205 ft |
| 1980s | 591 | 251 ft |
| 1990s | 578 | 285 ft |
| 2000s | 401 | 320 ft |
| 2010s | 274 | 300 ft |
| 2020s | 202 | 305 ft |
Other counties
- Sevier County
- Blount County
- Jefferson County
- Monroe County
- Grainger County
- Hawkins County
- McMinn County
- Loudon County
- Cocke County
Based on residential wells in Tennessee state records, excluding abandoned wells. Last calculated 2026-10-30. These figures are not official.