Tennessee Well Data › Polk County
Polk County, Tennessee: well depth, water level & drilling cost
✓ 2,441 TDEC records · verified 2026-09-28
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How deep are wells in Polk County, Tennessee?
The median drilled well depth in Polk County is 208 ft, based on 2,432 wells with recorded depths in the state TDEC database. Half of all wells fall between 145 ft and 305 ft; 90% are shallower than 410 ft. Wells drilled since 2016 have a median depth of 280 ft.
How much does it cost to drill a well in Polk County?
Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Polk County?
The median static water level is 40 ft below ground surface (middle half of wells: 20 ft–70 ft), from 2,195 measurements.
How much water do wells in Polk County produce?
The median tested yield is 12 gpm (middle half: 5 gpm–30 gpm), from 2,314 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Polk County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Ocoee (37361) — 499 wells, median 210 ft
- Reliance (37369) — 324 wells, median 230 ft
- Benton (37307) — 303 wells, median 240 ft
- Copperhill (37317) — 139 wells, median 300 ft
- Turtletown (37391) — 95 wells, median 260 ft
- Ducktown (37326) — 91 wells, median 260 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.