⟁ New Hampshire Well Data field records · 2026 survey

New Hampshire Well Data › Hillsborough County

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

✓ 21,179 NHDES records · verified 2026-10-19

390 ftmedian well depth
250 ft–505 fttypical depth range
22 ftmedian static water level
8 gpmmedian yield (20,498 tests)

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How deep are wells in Hillsborough County, New Hampshire?

The median drilled well depth in Hillsborough County is 390 ft, based on 21,167 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 500 ft.

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

Applying published per-foot rates to the local median depth of 500 ft: drilling and casing alone typically runs $12,500–$32,500; a complete system including pump, pressure tank, and hookup typically runs $30,000–$50,000. Actual quotes depend on site access, geology, and casing requirements.

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 15,341 measurements.

How much water do wells in Hillsborough County produce?

The median tested yield is 8 gpm (middle half: 3 gpm–20 gpm), from 20,498 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 686 50–100 ft 179 100–150 ft 870 150–200 ft 977 200–300 ft 3,823 300–400 ft 4,074 400–600 ft 6,378 600+ ft 4,180
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Well records by ZIP code in Hillsborough County

Median depth, water level, and yield for each ZIP code with recorded wells.

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.