New York Well Data › Jefferson County
Jefferson County, New York: well depth, yield & drilling cost
✓ 2,500 NYSDEC records · verified 2026-10-12
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How deep are wells in Jefferson County, New York?
The median drilled well depth in Jefferson County is 105 ft, based on 2,440 wells with recorded depths in the state NYSDEC database. Half of all wells fall between 71 ft and 156 ft; 90% are shallower than 223 ft. Wells drilled since 2016 have a median depth of —.
How much does it cost to drill a well in Jefferson County?
Applying published per-foot rates to the local median depth of 105 ft: drilling and casing alone typically runs $2,625–$6,825; a complete system including pump, pressure tank, and hookup typically runs $6,300–$10,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Jefferson County?
Few static water level measurements are recorded for this county.
How much water do wells in Jefferson County produce?
The median tested yield is 10 gpm (middle half: 8 gpm–10 gpm), from 209 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Jefferson County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Theresa (13691) — 193 wells, median 82 ft
- Evans Mills (13637) — 183 wells, median 102 ft
- La Fargeville (13656) — 123 wells, median 90 ft
- Redwood (13679) — 119 wells, median 102 ft
- Fishers Landing (13641) — 114 wells, median 86 ft
- Clayton (13624) — 109 wells, median 122 ft
- Philadelphia (13673) — 100 wells, median 110 ft
- Brownville (13615) — 99 wells, median 120 ft
- Plessis (13675) — 87 wells, median 74 ft
- Copenhagen (13626) — 81 wells, median 144 ft
- Adams Center (13606) — 80 wells, median 101 ft
- Chaumont (13622) — 80 wells, median 80 ft
- Calcium (13616) — 79 wells, median 100 ft
- Alexandria Bay (13607) — 76 wells, median 127 ft
- Watertown (13603) — 75 wells, median 146 ft
- Carthage (13619) — 67 wells, median 180 ft
- Three Mile Bay (13693) — 64 wells, median 100 ft
- Wellesley Island (13640) — 62 wells, median 140 ft
- Rodman (13682) — 58 wells, median 120 ft
- Natural Bridge (13665) — 55 wells, median 125 ft
- Depauville (13632) — 52 wells, median 113 ft
- Sackets Harbor (13685) — 51 wells, median 120 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.