⟁ Tennessee Well Data field records · 2026 survey

Tennessee Well Data › Grainger County

Grainger County, Tennessee: well depth, water level & drilling cost

✓ 5,383 TDEC records · verified 2026-09-28

270 ftmedian well depth
185 ft–400 fttypical depth range
80 ftmedian static water level
8 gpmmedian yield (4,632 tests)

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How deep are wells in Grainger County, Tennessee?

The median drilled well depth in Grainger County is 270 ft, based on 4,965 wells with recorded depths in the state TDEC database. Half of all wells fall between 185 ft and 400 ft; 90% are shallower than 525 ft. Wells drilled since 2016 have a median depth of 345 ft.

How much does it cost to drill a well in Grainger County?

Applying published per-foot rates to the local median depth of 345 ft: drilling and casing alone typically runs $8,625–$22,425; a complete system including pump, pressure tank, and hookup typically runs $20,700–$34,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Grainger County?

The median static water level is 80 ft below ground surface (middle half of wells: 40 ft–120 ft), from 3,926 measurements.

How much water do wells in Grainger County produce?

The median tested yield is 8 gpm (middle half: 4 gpm–20 gpm), from 4,632 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 20 50–100 ft 172 100–150 ft 607 150–200 ft 597 200–300 ft 1,318 300–400 ft 980 400–600 ft 941 600+ ft 330
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Well records by ZIP code in Grainger County

Median depth, water level, and yield for each ZIP code with recorded wells.

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.