North Carolina Well Data › Johnston County
Johnston County, North Carolina: well depth, water level & drilling cost
✓ 2,608 NC DEQ + USGS records · verified 2026-10-12
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How deep are wells in Johnston County, North Carolina?
The median drilled well depth in Johnston County is 167 ft, based on 2,602 wells with recorded depths in the state NC DEQ + USGS database. Half of all wells fall between 90 ft and 230 ft; 90% are shallower than 305 ft. Wells drilled since 2016 have a median depth of 205 ft.
How much does it cost to drill a well in Johnston County?
Applying published per-foot rates to the local median depth of 205 ft: drilling and casing alone typically runs $5,125–$13,325; a complete system including pump, pressure tank, and hookup typically runs $12,300–$20,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Johnston County?
The median static water level is 20 ft below ground surface (middle half of wells: 20 ft–20 ft), from 2,410 measurements.
How much water do wells in Johnston County produce?
The median tested yield is 12 gpm (middle half: 5 gpm–25 gpm), from 2,390 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
Who drills wells in Johnston County?
| Driller | Wells since 2016 |
|---|---|
| LANDON PHILLIPS | 27 |
| JASON POOLE | 15 |
| NICK YOUNG | 9 |
| JAYSE PHILLIPS | 7 |
| FELTON JACOBS | 6 |
| LARRY WILLIFORD JR | 5 |
| DUSTIN LETCHWORTH | 5 |
| Landon Phillips | 4 |
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Well records by ZIP code in Johnston County
Median depth, water level, and yield for each ZIP code with recorded wells.
- Clayton (27527) — 82 wells, median 204 ft
- Smithfield (27577) — 56 wells, median 144 ft
- Benson (27504) — 50 wells, median 230 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.