Perquimans
North Carolina Division of Water Resources
Located in Perquimans County, North Carolina, this groundwater monitoring location is associated with a water well in the Castle Hayne aquifer.
Well Construction
| Depth | Description | |
|---|---|---|
| -3.27-329.0 ft | 2.5 in diameter black ductile iron casing | |
| 329.0-339.0 ft | 2.5 in diameter galvanized steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-32.0 ft | - | Surficial Aquifer |
| 32.0-39.0 ft | - | Yorktown CU |
| 39.0-252.0 ft | - | Yorktown Aquifer |
| 252.0-325.0 ft | - | Castle Hayne CU |
| 325.0-398.0 ft | - | Castle Hayne Aquifer |
| 398.0-436.0 ft | - | Beaufort CU |
| 436.0-483.0 ft | - | Beaufort Aquifer |
| 483.0-510.0 ft | - | Upper Cape Fear CU |
| 510.0-692.0 ft | - | Upper Cape Fear Aquifer |
| 692.0-707.0 ft | - | Lower Cape Fear CU |
| 707.0-1143.0 ft | - | Lower Cape Fear Aquifer |
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Agency North Carolina Department of Environmental Quality Division of Water Resources Site Name Perquimans Site Number F13W1 Site Type WELL Lat/Long (NAD83) 36.1692, -76.4517 Well Depth 339 Feet Elevation (NAVD88) 12.189 ft Latitude 36.169167 Longitude -76.451667 Local Aquifer Name Castle Hayne (None) National Aquifer Name Castle Hayne aquifer (N400CSLHYN) Aquifer Type CONFINED Water-Level Well Type Trend Water-Level Well Characteristics Background Water Quality Network water_quality_network Additional info Link 1 -
Activity Start Date Activity Start Time Characteristic Name Measure Value Units Detection Limit Value Type Sample Fraction Method Name Analytical Method System Sample Method ID Sample Method ID Context Sample Method Name Activity Type Code Data Provided By 1997-03-19 00:00:00 EST Chloride 2400 mg/L 0 None unfiltered titration None Unknown NCDWR titration Unknown NCDWR 2023-09-21 00:00:00 EST pH 9.62 None None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2023-09-21 00:00:00 EST Salinity 3.1 ppth None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2023-09-21 00:00:00 EST Chloride 1700 mg/L 0 None unfiltered titration None Unknown NCDWR YSI Unknown NCDWR 2023-09-21 00:00:00 EST Specific Conductance 5137 uS/cm None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2025-09-17 00:00:00 EST pH 9.71 None None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2025-09-17 00:00:00 EST Salinity 3.1 ppth None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2025-09-17 00:00:00 EST Chloride 1350 mg/L 0 None unfiltered titration None Unknown NCDWR YSI Unknown NCDWR 2025-09-17 00:00:00 EST Specific Conductance 4820 uS/cm None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR -
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How do we calculate statistics?
Overall Water Level Statistics (Depth to water, feet below land surface) Lowest Water Level Median Water Level Highest Water Level First Measurement Date Last Measurement Date Number of Measurements Years of Record Latest Value Latest Percentile 21.76 16.65 4.52 1995-11-18 2026-02-11 3558 30.2 20.93 0.0 Statistics Calculated 2026-04-09 Monthly Water Level Statistics (Depth to water, feet below land surface) Month Lowest Median 10th Percentile 25th Percentile 50th Percentile 75th Percentile 90th Percentile Highest Median Number of Measurements Years of Record Jan 21.30 20.95 19.37 17.35 11.2 9.05 8.67 15 15 Feb 21.12 19.79 17.57 14.67 10.1 8.53 4.88 20 20 Mar 19.64 19.53 18.42 16.88 15.4 7.55 7.49 11 11 Apr 20.25 19.93 18.65 16.70 15.23 9.31 8.41 13 13 May 20.35 19.24 17.09 12.61 9.70 8.34 4.52 23 23 Jun 19.67 19.49 18.17 16.70 10.3 8.24 8.11 12 12 Jul 20.42 20.19 18.98 17.28 13.17 9.85 9.53 13 13 Aug 20.56 19.91 17.64 15.08 10.4 8.72 8.61 22 22 Sep 20.89 20.72 19.98 17.77 16.61 10.2 8.71 11 11 Oct 21.28 20.76 19.36 17.57 10.7 8.69 8.36 14 14 Nov 21.53 20.41 18.08 15.36 10.2 9.07 8.56 23 23 Dec 21.39 21.25 20.31 17.95 17.23 10.0 8.46 11 11 Statistics Calculated 2026-04-09 -
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