Montford Point
North Carolina Division of Water Resources
Located in Onslow County, North Carolina, this groundwater monitoring location is associated with a water well in the Castle Hayne aquifer.
Well Construction
| Depth | Description | |
|---|---|---|
| -2.34-316.0 ft | 4.0 in diameter none casing | |
| 316.0-336.0 ft | 4.0 in diameter none screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-32.0 ft | - | Surficial Aquifer |
| 32.0-48.0 ft | - | Castle Hayne CU |
| 48.0-200.0 ft | - | Castle Hayne Aquifer |
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Agency North Carolina Department of Environmental Quality Division of Water Resources Site Name Montford Point Site Number X24E1 Site Type WELL Lat/Long (NAD83) 34.738, -77.4092 Well Depth 341 Feet Elevation (NAVD88) 20.435 ft Latitude 34.738 Longitude -77.409222 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 Known Changes 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 2019-10-07 00:00:00 EST Chloride 136 mg/L 0 None unfiltered titration None Unknown NCDWR titration Unknown NCDWR 2019-10-07 00:00:00 EST pH 7.26 None None unfiltered YSI None Unknown NCDWR titration Unknown NCDWR 2019-10-07 00:00:00 EST Specific Conductance 1188 uS/cm None unfiltered YSI None Unknown NCDWR titration Unknown NCDWR 2019-10-07 00:00:00 EST Salinity 0.6 ppth None unfiltered YSI None Unknown NCDWR titration Unknown NCDWR 2023-09-19 00:00:00 EST pH 8.03 None None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2023-09-19 00:00:00 EST Specific Conductance 1487 uS/cm None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2023-09-19 00:00:00 EST Salinity 0.75 ppth None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2023-09-19 00:00:00 EST Chloride 146 mg/L 0 None unfiltered titration None Unknown NCDWR YSI Unknown NCDWR 2025-09-22 00:00:00 EST Specific Conductance 1409 uS/cm None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2025-09-22 00:00:00 EST Salinity 0.7 ppth None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2025-09-22 00:00:00 EST Chloride 145 mg/L 0 None unfiltered titration None Unknown NCDWR YSI Unknown NCDWR 2025-09-22 00:00:00 EST pH 8.76 None 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 25.74 21.44 12.74 2012-12-07 2026-01-14 4705 13.1 22.70 21.43 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 24.05 23.71 22.59 21.15 20.68 17.64 15.71 13 13 Feb 23.89 23.83 22.49 20.79 20.59 17.04 14.78 13 13 Mar 24.09 23.91 22.32 20.67 20.44 16.17 13.88 13 13 Apr 23.94 23.79 22.33 20.66 20.29 15.62 13.12 13 13 May 23.57 23.54 22.41 20.50 20.15 15.80 13.23 13 13 Jun 23.76 23.72 22.57 20.71 20.33 16.87 14.76 13 13 Jul 24.55 24.32 22.77 21.51 20.95 17.87 16.01 13 13 Aug 25.26 24.66 22.99 21.67 21.33 18.92 17.34 13 13 Sep 25.42 24.53 23.06 21.79 21.50 19.60 18.45 13 13 Oct 25.53 24.51 22.88 21.73 21.47 19.97 19.02 13 13 Nov 25.13 24.30 22.80 21.82 21.36 20.46 20.05 13 13 Dec 24.67 23.98 22.81 21.29 20.87 18.87 17.91 13 13 Statistics Calculated 2026-04-09 -
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