North Carolina Well Data › Union County
Union County, North Carolina: well depth, water level & drilling cost
✓ 5,516 NC DEQ + USGS records · verified 2026-10-12
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How deep are wells in Union County, North Carolina?
The median drilled well depth in Union County is 280 ft, based on 5,490 wells with recorded depths in the state NC DEQ + USGS database. Half of all wells fall between 200 ft and 400 ft; 90% are shallower than 540 ft. Wells drilled since 2016 have a median depth of 300 ft.
How much does it cost to drill a well in Union County?
Applying published per-foot rates to the local median depth of 300 ft: drilling and casing alone typically runs $7,500–$19,500; a complete system including pump, pressure tank, and hookup typically runs $18,000–$30,000. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Union County?
The median static water level is 30 ft below ground surface (middle half of wells: 25 ft–36 ft), from 4,977 measurements.
How much water do wells in Union County produce?
The median tested yield is 12 gpm (middle half: 5 gpm–25 gpm), from 4,954 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Union County?
| Driller | Wells since 2016 |
|---|---|
| FRANKIE L. OLIVER | 185 |
| FRANKIE L OLIVER | 170 |
| DWIGHT L. HUNEYCUTT | 150 |
| KELVIN BELK | 144 |
| JOHN M. MULLIS | 66 |
| DWIGHT L HUNEYCUTT | 62 |
| CHAD MULLIS | 56 |
| JOHN W. HUNEYCUTT | 53 |
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Well records by ZIP code in Union County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Waxhaw (28173) — 404 wells, median 300 ft
- Charlotte (28277) — 356 wells, median 305 ft
- Monroe (28112) — 264 wells, median 325 ft
- Stanfield (28163) — 260 wells, median 250 ft
- Mineral Springs (28108) — 173 wells, median 300 ft
- Wingate (28174) — 154 wells, median 350 ft
- Marshville (28103) — 148 wells, median 285 ft
- Monroe (28110) — 123 wells, median 260 ft
- Matthews (28104) — 121 wells, median 300 ft
- Indian Trail (28079) — 105 wells, median 300 ft
- Peachland (28133) — 93 wells, median 200 ft
Method: medians computed from NC DEQ + USGS records (NC DEQ GW-1 well construction records plus the USGS NWIS inventory, water-supply wells only (monitoring, recovery, injection, remediation and geothermal wells excluded; untyped legacy records kept only with a yield or 50+ ft depth), and USGS rows that duplicate a GW-1 record removed). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.