Pilot Point Quad
Texas Water Development Board
Located in Grayson County, Texas, this groundwater monitoring location is associated with a water well in the Edwards-Trinity aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-216.0 ft | steel casing | |
| 90.0-823.0 ft | steel casing | |
| 703.0-829.0 ft | steel casing | |
| 892.0-923.0 ft | steel casing | |
| 829.0-892.0 ft | stainless steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-26.0 ft | - | Clay |
| 26.0-163.0 ft | - | Sandy shale |
| 163.0-204.0 ft | - | Sand |
| 204.0-231.0 ft | - | Sand-shale |
| 231.0-252.0 ft | - | Sand |
| 252.0-280.0 ft | - | Shale |
| 280.0-304.0 ft | - | Sand |
| 304.0-316.0 ft | - | Shale |
| 316.0-716.0 ft | - | Lime-Shale |
| 716.0-733.0 ft | - | Shale |
| 733.0-790.0 ft | - | Lime |
| 790.0-801.0 ft | - | Sandy shale |
| 801.0-821.0 ft | - | Shale |
| 821.0-829.0 ft | - | Sand |
| 829.0-831.0 ft | - | Shale |
| 831.0-867.0 ft | - | Sand |
| 867.0-890.0 ft | - | Sand-Streaks shale |
| 890.0-923.0 ft | - | Shale |
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Agency Texas Water Development Board Site Name Pilot Point Quad Site Number 1833301 Site Type WELL Lat/Long (NAD83) 33.4669, -96.9139 Well Depth 923 Feet Elevation (NAVD88) 663.0 ft Latitude 33.4669444 Longitude -96.9138889 Local Aquifer Name Trinity (218ALRS) (None) National Aquifer Name Edwards-Trinity aquifer system (S500EDRTRN) Aquifer Type UNCONFINED Water-Level Well Type Surveillance Water-Level Well Characteristics Known Changes 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 -
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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 606.00 391.50 182.57 1972-11-20 2024-11-20 41 52.0 606.00 0.0 Statistics Calculated 2025-04-21 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 -
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