⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Merrimack County › New London (03257)

New London, NH (03257): well depth, water level & drilling cost

✓ 218 NHDES records · Merrimack County

405 ftmedian well depth
295 ft–540 fttypical depth range
22 ftmedian static water level
6 gpmmedian yield (210 tests)

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How deep are wells in and around New London (03257), New Hampshire?

The median drilled well depth in and around New London (03257) is 405 ft, based on 218 wells with recorded depths in the state NHDES database. Half fall between 295 ft and 540 ft; 90% are shallower than 726 ft.

How much does it cost to drill a well in and around New London (03257)?

Applying published per-foot rates to the local median depth of 405 ft: drilling and casing alone typically runs $10,125–$26,325; a complete system including pump, pressure tank, and hookup typically runs $24,300–$40,500. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around New London (03257)?

The median static water level is 22 ft below ground surface (middle half of wells: 11 ft–40 ft), from 119 measurements.

Drilled depth distribution

0–50 ft 7 50–100 ft 3 100–150 ft 5 150–200 ft 8 200–300 ft 33 300–400 ft 34 400–600 ft 79 600+ ft 49
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Part of Merrimack 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.