New Hampshire Well Data field records · 2026 survey

The state of New Hampshire keeps a log of every well ever drilled. We read all 106,477 of them.

New Hampshire well logs, made useful.

Every well completion report NHDES holds — how deep it went, what it yielded and whose property it serves — brought together around one address, instead of one record at a time.

Free — no account. Or paste lat, lon from Google Maps.

✓ Verified against NHDES · 2026-08-23

340 ftmedian well depth statewide
20 ftmedian static water level
8 gpmmedian well yield
106,477wells you can look up by location

What you can answer here

These are NHDES records

Every figure here comes from the NHDES Water Well Inventory — the state's official well-log repository. We index those same records by location so you can start from an address, and every well links back to its original filed log.

What's in a New Hampshire well log →  ·  About NHDES →

Buying property with a well — or land you'd need to drill?

See every recorded well near any New Hampshire address: depths, water levels, yields, and links to the original driller's logs — all in one report.

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Well data by county

Belknap County 8,546 wells · median 340 ft Carroll County 10,150 wells · median 400 ft Cheshire County 5,255 wells · median 320 ft Coos County 3,695 wells · median 304 ft Grafton County 8,614 wells · median 343 ft Hillsborough County 21,505 wells · median 385 ft Merrimack County 12,927 wells · median 345 ft Rockingham County 25,665 wells · median 305 ft Strafford County 6,749 wells · median 303 ft Sullivan County 3,357 wells · median 360 ft