⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Grafton County › Grafton (03240)

Grafton, NH (03240): well depth, water level & drilling cost

✓ 222 NHDES records · Grafton County

363 ftmedian well depth
265 ft–500 fttypical depth range
20 ftmedian static water level
5 gpmmedian yield (214 tests)

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How deep are wells in and around Grafton (03240), New Hampshire?

The median drilled well depth in and around Grafton (03240) is 363 ft, based on 222 wells with recorded depths in the state NHDES database. Half fall between 265 ft and 500 ft; 90% are shallower than 600 ft.

How much does it cost to drill a well in and around Grafton (03240)?

Applying published per-foot rates to the local median depth of 363 ft: drilling and casing alone typically runs $9,075–$23,595; a complete system including pump, pressure tank, and hookup typically runs $21,780–$36,300. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Grafton (03240)?

The median static water level is 20 ft below ground surface (middle half of wells: 15 ft–40 ft), from 86 measurements.

Drilled depth distribution

0–50 ft 9 50–100 ft 2 100–150 ft 6 150–200 ft 8 200–300 ft 36 300–400 ft 58 400–600 ft 76 600+ ft 27
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Part of Grafton 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.