Marshall East Quad
Texas Water Development Board
Located in Harrison County, Texas, this groundwater monitoring location is associated with a water well in the Texas coastal uplands aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| 220.0-225.0 ft | plastic (pvc) casing | |
| 0.0-189.0 ft | plastic (pvc) casing | |
| 189.0-195.0 ft | plastic (pvc) casing | |
| 195.0-220.0 ft | plastic (pvc) screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-42.0 ft | - | Clay |
| 42.0-46.0 ft | - | Sand |
| 46.0-114.0 ft | - | Shale |
| 114.0-None ft | - | Rock |
| 114.0-189.0 ft | - | Shale |
| 189.0-225.0 ft | - | Water Sand |
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Agency Texas Water Development Board Site Name Marshall East Quad Site Number 3530705 Site Type WELL Lat/Long (NAD83) 32.5098, -94.3462 Well Depth 225 Feet Elevation (NAVD88) 310.0 ft Latitude 32.5098389 Longitude -94.3461611 Local Aquifer Name Carrizo-Wilcox (124WLCX) (None) National Aquifer Name Texas coastal uplands aquifer system (S100TXCLUP) Aquifer Type CONFINED 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 49.40 33.30 25.75 1977-06-14 2024-11-20 43 47.4 39.40 25.81 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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