⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Rockingham County

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

✓ 25,665 NHDES records · verified 2026-08-23

305 ftmedian well depth
220 ft–450 fttypical depth range
20 ftmedian static water level
10 gpmmedian yield (24,902 tests)

How deep are wells in Rockingham County, New Hampshire?

The median drilled well depth in Rockingham County is 305 ft, based on 25,652 wells with recorded depths in the state NHDES database. Half of all wells fall between 220 ft and 450 ft; 90% are shallower than 615 ft. Wells drilled since 2016 have a median depth of 400 ft.

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

Applying published per-foot rates to the local median depth of 400 ft: drilling and casing alone typically runs $10,000–$26,000; a complete system including pump, pressure tank, and hookup typically runs $24,000–$40,000. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Rockingham County?

The median static water level is 20 ft below ground surface (middle half of wells: 12 ft–30 ft), from 17,629 measurements.

How much water do wells in Rockingham County produce?

The median tested yield is 10 gpm (middle half: 5 gpm–20 gpm), from 24,902 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 685 50–100 ft 192 100–150 ft 1,795 150–200 ft 1,917 200–300 ft 6,040 300–400 ft 5,334 400–600 ft 6,479 600+ ft 3,210
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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.