⟁ New York Well Data field records · 2026 survey

New York Well Data › St. Lawrence County

St. Lawrence County, New York: well depth, yield & drilling cost

✓ 2,832 NYSDEC records · verified 2026-08-19

120 ftmedian well depth
85 ft–175 fttypical depth range
10 gpmmedian yield (685 tests)

How deep are wells in St. Lawrence County, New York?

The median drilled well depth in St. Lawrence County is 120 ft, based on 2,812 wells with recorded depths in the state NYSDEC database. Half of all wells fall between 85 ft and 175 ft; 90% are shallower than 255 ft. Wells drilled since 2016 have a median depth of —.

How much does it cost to drill a well in St. Lawrence County?

Applying published per-foot rates to the local median depth of 120 ft: drilling and casing alone typically runs $3,000–$7,800; a complete system including pump, pressure tank, and hookup typically runs $7,200–$12,000. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers active in St. Lawrence County

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

What is the static water level in St. Lawrence County?

Few static water level measurements are recorded for this county.

How much water do wells in St. Lawrence County produce?

The median tested yield is 10 gpm (middle half: 7 gpm–10 gpm), from 685 pump tests. A typical household needs 5–10 gpm.

Pull every recorded well near a St. Lawrence County address — $29

Drilled depth distribution

0–50 ft 91 50–100 ft 884 100–150 ft 893 150–200 ft 378 200–300 ft 357 300–400 ft 144 400–600 ft 60 600+ ft 5
Looking at a specific property in St. Lawrence 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.