⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Rockingham County › Portsmouth (03802)

Portsmouth, NH (03802): well depth, water level & drilling cost

✓ 113 NHDES records · Rockingham County

20 ftmedian well depth
14 ft–310 fttypical depth range
7 ftmedian static water level
12 gpmmedian yield (40 tests)

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How deep are wells in and around Portsmouth (03802), New Hampshire?

The median drilled well depth in and around Portsmouth (03802) is 20 ft, based on 113 wells with recorded depths in the state NHDES database. Half fall between 14 ft and 310 ft; 90% are shallower than 420 ft.

How much does it cost to drill a well in and around Portsmouth (03802)?

Applying published per-foot rates to the local median depth of 20 ft: drilling and casing alone typically runs $500–$1,300; a complete system including pump, pressure tank, and hookup typically runs $1,200–$2,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Portsmouth (03802)?

The median static water level is 7 ft below ground surface (middle half of wells: 6 ft–11 ft), from 61 measurements.

Drilled depth distribution

0–50 ft 63 50–100 ft 1 100–150 ft 5 150–200 ft 3 200–300 ft 8 300–400 ft 14 400–600 ft 19 600+ ft 0
Looking at a specific property in Portsmouth (03802)?

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Get quotes from drillers who work in Portsmouth (03802)

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Part of Rockingham County well records.

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), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.