⟁ New York Well Data field records · 2026 survey

New York Well Data › Suffolk County

Suffolk County, New York: well depth, yield & drilling cost

✓ 19,004 NYSDEC records · verified 2026-08-19

65 ftmedian well depth
50 ft–90 fttypical depth range
15 gpmmedian yield (14,655 tests)

How deep are wells in Suffolk County, New York?

The median drilled well depth in Suffolk County is 65 ft, based on 18,986 wells with recorded depths in the state NYSDEC database. Half of all wells fall between 50 ft and 90 ft; 90% are shallower than 138 ft. Wells drilled since 2016 have a median depth of —.

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

Applying published per-foot rates to the local median depth of 65 ft: drilling and casing alone typically runs $1,625–$4,225; a complete system including pump, pressure tank, and hookup typically runs $3,900–$6,500. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers active in Suffolk County

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

What is the static water level in Suffolk County?

Few static water level measurements are recorded for this county.

How much water do wells in Suffolk County produce?

The median tested yield is 15 gpm (middle half: 10 gpm–20 gpm), from 14,655 pump tests. A typical household needs 5–10 gpm.

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

Drilled depth distribution

0–50 ft 3,976 50–100 ft 10,838 100–150 ft 2,527 150–200 ft 831 200–300 ft 551 300–400 ft 165 400–600 ft 74 600+ ft 24
Looking at a specific property in Suffolk 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 NYSDEC records (NYSDEC water well completion reports; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.