Tennessee Well Data › Dekalb County
Dekalb County, Tennessee: well depth, water level & drilling cost
✓ 1,547 TDEC records · verified 2026-09-28
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How deep are wells in Dekalb County, Tennessee?
The median drilled well depth in Dekalb County is 115 ft, based on 1,477 wells with recorded depths in the state TDEC database. Half of all wells fall between 80 ft and 163 ft; 90% are shallower than 226 ft. Wells drilled since 2016 have a median depth of 155 ft.
How much does it cost to drill a well in Dekalb County?
Applying published per-foot rates to the local median depth of 115 ft: drilling and casing alone typically runs $2,875–$7,475; a complete system including pump, pressure tank, and hookup typically runs $6,900–$11,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Dekalb County?
The median static water level is 50 ft below ground surface (middle half of wells: 30 ft–80 ft), from 1,009 measurements.
How much water do wells in Dekalb County produce?
The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 1,199 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Dekalb County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Smithville (37166) — 639 wells, median 100 ft
- Dowelltown (37059) — 279 wells, median 118 ft
- Liberty (37095) — 180 wells, median 144 ft
- Lancaster (38569) — 64 wells, median 125 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.