Tennessee Well Data › Knox County
Knox County, Tennessee: well depth, water level & drilling cost
✓ 4,219 TDEC records · verified 2026-09-28
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How deep are wells in Knox County, Tennessee?
The median drilled well depth in Knox County is 240 ft, based on 4,165 wells with recorded depths in the state TDEC database. Half of all wells fall between 160 ft and 375 ft; 90% are shallower than 528 ft. Wells drilled since 2016 have a median depth of 305 ft.
How much does it cost to drill a well in Knox County?
Applying published per-foot rates to the local median depth of 305 ft: drilling and casing alone typically runs $7,625–$19,825; a complete system including pump, pressure tank, and hookup typically runs $18,300–$30,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Knox County?
The median static water level is 60 ft below ground surface (middle half of wells: 35 ft–100 ft), from 3,374 measurements.
How much water do wells in Knox County produce?
The median tested yield is 12 gpm (middle half: 6 gpm–25 gpm), from 3,610 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Knox County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Knoxville (37998) — 357 wells, median 223 ft
- Corryton (37721) — 257 wells, median 248 ft
- Knoxville (37938) — 217 wells, median 230 ft
- Mascot (37806) — 205 wells, median 265 ft
- Knoxville (37934) — 141 wells, median 305 ft
- Knoxville (37924) — 126 wells, median 248 ft
- Knoxville (37920) — 102 wells, median 221 ft
- Knoxville (37932) — 101 wells, median 305 ft
- Knoxville (37919) — 78 wells, median 365 ft
- Knoxville (37930) — 70 wells, median 163 ft
- Powell (37849) — 67 wells, median 265 ft
Method: medians computed from TDEC records (TDEC reported water wells; depths 0–5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.