⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Hillsborough County

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

✓ 21,505 NHDES records · verified 2026-08-23

385 ftmedian well depth
250 ft–505 fttypical depth range
22 ftmedian static water level
8 gpmmedian yield (20,819 tests)

How deep are wells in Hillsborough County, New Hampshire?

The median drilled well depth in Hillsborough County is 385 ft, based on 21,492 wells with recorded depths in the state NHDES database. Half of all wells fall between 250 ft and 505 ft; 90% are shallower than 705 ft. Wells drilled since 2016 have a median depth of 493 ft.

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

Applying published per-foot rates to the local median depth of 493 ft: drilling and casing alone typically runs $12,325–$32,045; a complete system including pump, pressure tank, and hookup typically runs $29,580–$49,300. Actual quotes depend on site access, geology, and casing requirements.

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What is the static water level in Hillsborough County?

The median static water level is 22 ft below ground surface (middle half of wells: 15 ft–40 ft), from 15,608 measurements.

How much water do wells in Hillsborough County produce?

The median tested yield is 8 gpm (middle half: 3 gpm–20 gpm), from 20,819 pump tests. A typical household needs 5–10 gpm.

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Drilled depth distribution

0–50 ft 745 50–100 ft 183 100–150 ft 890 150–200 ft 1,001 200–300 ft 3,887 300–400 ft 4,129 400–600 ft 6,437 600+ ft 4,220
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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.