⟁ Tennessee Well Data field records · 2026 survey

Tennessee Well Data › Washington County

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

✓ 2,825 TDEC records · verified 2026-09-28

289 ftmedian well depth
188 ft–420 fttypical depth range
55 ftmedian static water level
10 gpmmedian yield (2,679 tests)

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How deep are wells in Washington County, Tennessee?

The median drilled well depth in Washington County is 289 ft, based on 2,799 wells with recorded depths in the state TDEC database. Half of all wells fall between 188 ft and 420 ft; 90% are shallower than 585 ft. Wells drilled since 2016 have a median depth of 405 ft.

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

Applying published per-foot rates to the local median depth of 405 ft: drilling and casing alone typically runs $10,125–$26,325; a complete system including pump, pressure tank, and hookup typically runs $24,300–$40,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Washington County?

The median static water level is 55 ft below ground surface (middle half of wells: 34 ft–80 ft), from 2,020 measurements.

How much water do wells in Washington County produce?

The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 2,679 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 7 50–100 ft 114 100–150 ft 280 150–200 ft 326 200–300 ft 708 300–400 ft 535 400–600 ft 567 600+ ft 262
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Well records by ZIP code in Washington 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.