⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Belknap County › Alton Bay (03810)

Alton Bay, NH (03810): well depth, water level & drilling cost

✓ 711 NHDES records · Belknap County

280 ftmedian well depth
175 ft–421 fttypical depth range
20 ftmedian static water level
10 gpmmedian yield (693 tests)

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How deep are wells in and around Alton Bay (03810), New Hampshire?

The median drilled well depth in and around Alton Bay (03810) is 280 ft, based on 711 wells with recorded depths in the state NHDES database. Half fall between 175 ft and 421 ft; 90% are shallower than 600 ft.

How much does it cost to drill a well in and around Alton Bay (03810)?

Applying published per-foot rates to the local median depth of 280 ft: drilling and casing alone typically runs $7,000–$18,200; a complete system including pump, pressure tank, and hookup typically runs $16,800–$28,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Alton Bay (03810)?

The median static water level is 20 ft below ground surface (middle half of wells: 12 ft–40 ft), from 386 measurements.

Drilled depth distribution

0–50 ft 9 50–100 ft 24 100–150 ft 96 150–200 ft 86 200–300 ft 146 300–400 ft 121 400–600 ft 149 600+ ft 80
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Part of Belknap 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.