Vermont Well Data › Grand Isle County
Grand Isle County, Vermont: well depth, water level & drilling cost
✓ 1,607 Vermont DEC records · verified 2026-10-12
Pull every recorded well near a Grand Isle County address — $49
How deep are wells in Grand Isle County, Vermont?
The median drilled well depth in Grand Isle County is 240 ft, based on 1,602 wells with recorded depths in the state Vermont DEC database. Half of all wells fall between 136 ft and 360 ft; 90% are shallower than 470 ft. Wells drilled since 2016 have a median depth of 320 ft.
How much does it cost to drill a well in Grand Isle County?
Applying published per-foot rates to the local median depth of 240 ft: drilling and casing alone typically runs $6,000–$15,600; a complete system including pump, pressure tank, and hookup typically runs $14,400–$24,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Grand Isle County?
The median static water level is 17 ft below ground surface (middle half of wells: 10 ft–27 ft), from 605 measurements.
How much water do wells in Grand Isle County produce?
The median tested yield is 6 gpm (middle half: 3 gpm–18 gpm), from 1,470 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Grand Isle County?
Companies by number of wells completed in this county, per the well completion reports Vermont's licensed drillers file with DEC.
| Driller | Wells since 2016 |
|---|---|
| Chevalier Drilling Co Inc | 157 |
| N A Manosh Corp | 8 |
| Spafford & Sons of Williston VT Inc | 5 |
| H2O Well Drilling | 4 |
| Vermont Well and Pump | 2 |
| Parker Water Wells | 1 |
See every driller with wells on record in Grand Isle County, ranked →
Get quotes from local drillers
See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.
Free lookup Property report — $49Free. Goes to licensed drillers working Grand Isle County.
Well records by ZIP code in Grand Isle County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Isle La Motte (05463) — 662 wells, median 217 ft
- South Hero (05486) — 425 wells, median 277 ft
- Grand Isle (05458) — 243 wells, median 284 ft
- North Hero (05474) — 178 wells, median 227 ft
Method: medians computed from Vermont DEC records (Vermont DEC private well completion reports, excluding abandoned, test, monitoring and injection wells; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.