⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Belknap County

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

✓ 8,546 NHDES records · verified 2026-08-23

340 ftmedian well depth
225 ft–500 fttypical depth range
20 ftmedian static water level
8 gpmmedian yield (8,336 tests)

How deep are wells in Belknap County, New Hampshire?

The median drilled well depth in Belknap County is 340 ft, based on 8,541 wells with recorded depths in the state NHDES database. Half of all wells fall between 225 ft and 500 ft; 90% are shallower than 620 ft. Wells drilled since 2016 have a median depth of 405 ft.

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

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.

Get quotes from drillers active in Belknap County

Free for property owners. We route your request only to licensed drillers who actually file well logs in Belknap County — never sold elsewhere.

What is the static water level in Belknap County?

The median static water level is 20 ft below ground surface (middle half of wells: 10 ft–30 ft), from 4,065 measurements.

How much water do wells in Belknap County produce?

The median tested yield is 8 gpm (middle half: 4 gpm–20 gpm), from 8,336 pump tests. A typical household needs 5–10 gpm.

Pull every recorded well near a Belknap County address — $29

Drilled depth distribution

0–50 ft 110 50–100 ft 98 100–150 ft 565 150–200 ft 601 200–300 ft 1,816 300–400 ft 1,863 400–600 ft 2,325 600+ ft 1,163
Looking at a specific property in Belknap County?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

Free lookup Property report — $29

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.