⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Strafford County

Strafford County, New Hampshire: well depth, water level & drilling cost

✓ 6,749 NHDES records · verified 2026-08-23

303 ftmedian well depth
205 ft–423 fttypical depth range
20 ftmedian static water level
10 gpmmedian yield (6,525 tests)

How deep are wells in Strafford County, New Hampshire?

The median drilled well depth in Strafford County is 303 ft, based on 6,742 wells with recorded depths in the state NHDES database. Half of all wells fall between 205 ft and 423 ft; 90% are shallower than 540 ft. Wells drilled since 2016 have a median depth of 380 ft.

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

Applying published per-foot rates to the local median depth of 380 ft: drilling and casing alone typically runs $9,500–$24,700; a complete system including pump, pressure tank, and hookup typically runs $22,800–$38,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Strafford County?

The median static water level is 20 ft below ground surface (middle half of wells: 10 ft–30 ft), from 2,802 measurements.

How much water do wells in Strafford County produce?

The median tested yield is 10 gpm (middle half: 4 gpm–20 gpm), from 6,525 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 152 50–100 ft 97 100–150 ft 550 150–200 ft 556 200–300 ft 1,597 300–400 ft 1,418 400–600 ft 1,867 600+ ft 505
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Method: medians computed from NHDES records (NHDES Water Well Inventory, water-supply wells only (test/exploration and closed-loop geothermal wells excluded); depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.