The state has 4,058 home well records for Grainger County.
The median well is 279 feet deep, 129 feet deeper than the typical Tennessee county.
Half of these wells are between 186 and 400 feet, so your well could be quite different.
- Median depth
- 279 feet
- Median yield
- 9 gallons per minute
- Median water level when drilled
- 80 feet
- Wells under 5 gallons per minute
- 28.9%
Where wells are in Grainger County
What drillers noted about the water
Of 2,788 records with a water note, 18 mention sulfur, 9 mention iron and 173 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 | 236 | 162 ft |
| 1970s | 495 | 210 ft |
| 1980s | 560 | 278 ft |
| 1990s | 1,137 | 290 ft |
| 2000s | 832 | 305 ft |
| 2010s | 368 | 305 ft |
| 2020s | 322 | 345 ft |
Other counties
- Sevier County
- Blount County
- Knox County
- Jefferson County
- Monroe 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.