New York Well Data › St. Lawrence County
St. Lawrence County, New York: well depth, yield & drilling cost
✓ 2,832 NYSDEC records · verified 2026-10-12
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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.
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.
Drilled depth distribution
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Well records by ZIP code in St. Lawrence County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Hailesboro (13645) — 171 wells, median 145 ft
- Hammond (13646) — 160 wells, median 109 ft
- Ogdensburg (13669) — 147 wells, median 105 ft
- Lisbon (13658) — 137 wells, median 103 ft
- Heuvelton (13654) — 118 wells, median 89 ft
- Canton (13617) — 118 wells, median 143 ft
- De Peyster (13633) — 93 wells, median 105 ft
- Morristown (13664) — 91 wells, median 90 ft
- Oxbow (13671) — 87 wells, median 120 ft
- Brier Hill (13614) — 84 wells, median 103 ft
- Hannawa Falls (13647) — 84 wells, median 154 ft
- Gouverneur (13642) — 82 wells, median 143 ft
- Pyrites (13677) — 79 wells, median 138 ft
- Chippewa Bay (13623) — 77 wells, median 91 ft
- Richville (13681) — 76 wells, median 125 ft
- Colton (13625) — 75 wells, median 150 ft
- Edwards (13635) — 73 wells, median 165 ft
- Winthrop (13697) — 66 wells, median 105 ft
- Norwood (13668) — 65 wells, median 112 ft
- Hermon (13652) — 60 wells, median 145 ft
- Madrid (13660) — 60 wells, median 103 ft
- Brasher Falls (13613) — 60 wells, median 60 ft
- Rensselaer Falls (13680) — 56 wells, median 100 ft
- Potsdam (13699) — 55 wells, median 160 ft
- Russell (13684) — 53 wells, median 125 ft
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.