Calabash
North Carolina Division of Water Resources
Located in Brunswick County, North Carolina, this groundwater monitoring location is associated with a water well in the Northern Atlantic Coastal Plain aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| -2.51-644.0 ft | 6.0 in diameter black ductile iron casing | |
| 644.0-654.0 ft | 2.5 in diameter galvanized steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-57.0 ft | - | Surficial Aquifer |
| 57.0-112.0 ft | - | Peedee CU |
| 112.0-400.0 ft | - | Peedee Aquifer |
| 400.0-465.0 ft | - | Black Creek CU |
| 465.0-687.0 ft | - | Black Creek Aquifer |
| 687.0-744.0 ft | - | Upper Cape Fear CU |
| 744.0-867.0 ft | - | Upper Cape Fear Aquifer |
| 867.0-918.0 ft | - | Lower Cape Fear CU |
| 918.0-1335.0 ft | - | Lower Cape Fear Aquifer |
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Agency North Carolina Department of Environmental Quality Division of Water Resources Site Name Calabash Site Number HH39J3 Site Type WELL Lat/Long (NAD83) 33.8928, -78.5894 Well Depth 660 Feet Elevation (NAVD88) 46.983 ft Latitude 33.892777 Longitude -78.589421 Local Aquifer Name Black Creek (None) National Aquifer Name Northern Atlantic Coastal Plain aquifer system (S100NATLCP) 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 1973-05-03 00:00:00 EST Chloride 650 mg/L 0 None unfiltered titration None Unknown NCDWR titration Unknown NCDWR 1973-05-17 00:00:00 EST Chloride 700 mg/L 0 None unfiltered titration None Unknown NCDWR titration Unknown NCDWR 1980-06-09 00:00:00 EST NH3-N 0.28 mg/L 0.05 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Chloride 340.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST TKN (Total Kjeldahl Nitrogen) 1.00 mg/L 0.1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST NO2+NO3-N 0.05 mg/L 0.05 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Silica 1.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Iron (Fe) 100.00 ug/L 100 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Alkalinity8.3 1.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Carbonate 69.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Hardness (calculated) 8.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Manganese (Mn) 50.00 ug/L 50 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Potassium (K) 16.00 mg/L None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Aluminum (Al) 200.00 ug/L 100 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Alkalinity4.5 169.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Calcium (Ca) 7.20 mg/L None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Fluoride 1.50 mg/L 0.1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Magnesium (Mg) 0.16 mg/L 0.05 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Phosphorus Total as P 0.05 mg/L 0.05 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Sulfate 28.00 mg/L None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Bicarbonate 66.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Total Dissolved Solids (TDS) 921.00 mg/L 0.1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Lithium (Li) 50.00 ug/L 50 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Hardness (non-carb) 1.00 mg/L 1 None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Sodium (Na) 470.00 mg/L None unfiltered None None Unknown NCDWR None Unknown NCDWR 1980-06-09 00:00:00 EST Specific Conductance 1700.00 uS/cm None unfiltered None None Unknown NCDWR None Unknown NCDWR 2023-09-12 00:00:00 EST pH 9.35 None None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2023-09-12 00:00:00 EST Salinity 0.9 ppth None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2023-09-12 00:00:00 EST Chloride 393 mg/L 0 None unfiltered titration None Unknown NCDWR YSI Unknown NCDWR 2023-09-12 00:00:00 EST Specific Conductance 1704 uS/cm None unfiltered YSI None Unknown NCDWR YSI Unknown NCDWR 2025-09-24 00:00:00 EST Chloride 370 mg/L 0 None unfiltered titration None Unknown NCDWR titration Unknown NCDWR 2025-09-24 00:00:00 EST Specific Conductance 1481 uS/cm None unfiltered YSI None Unknown NCDWR titration Unknown NCDWR 2025-09-24 00:00:00 EST pH 9.24 None None unfiltered YSI None Unknown NCDWR titration Unknown NCDWR 2025-09-24 00:00:00 EST Salinity 0.7 ppth None unfiltered YSI None Unknown NCDWR titration 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 53.32 43.05 11.00 1973-05-03 2026-01-28 351 52.7 52.70 0.0 Statistics Calculated 2026-04-17 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 52.70 50.57 49.37 39.39 23.80 17.07 15.48 22 22 Feb 52.38 50.33 48.80 43.79 35.39 19.52 16.15 32 32 Mar 49.76 48.26 42.37 32.43 21.34 16.63 16.22 17 17 Apr 51.60 50.22 48.28 42.17 24.74 17.44 15.72 23 23 May 51.40 50.22 48.43 44.07 34.36 19.62 11.00 42 42 Jun 51.22 51.16 48.61 43.35 28.29 19.75 16.40 21 21 Jul 52.05 51.27 44.97 33.33 21.49 16.41 16.00 17 17 Aug 51.14 49.70 49.13 44.52 36.17 20.12 15.08 35 35 Sep 52.20 51.71 44.10 34.08 20.34 15.13 14.90 19 19 Oct 53.32 52.41 49.08 40.22 25.29 16.74 15.50 24 24 Nov 52.95 50.84 49.57 45.08 34.12 19.97 15.74 38 38 Dec 47.46 46.05 43.95 34.78 21.68 18.18 16.81 15 15 Statistics Calculated 2026-04-17 -
Operated in cooperation with:
