Belmont Quad
Texas Water Development Board
Located in Gonzales County, Texas, this groundwater monitoring location is associated with a water well in the Texas coastal uplands aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-155.0 ft | steel casing | |
| 155.0-176.0 ft | none screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-60.0 ft | - | Clay Iron Ore Rock |
| 60.0-90.0 ft | - | Sand and Shale |
| 90.0-117.0 ft | - | Shale |
| 117.0-120.0 ft | - | Rock |
| 120.0-180.0 ft | - | Sand Shale and Boulders |
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Agency Texas Water Development Board Site Name Belmont Quad Site Number 6727502 Site Type WELL Lat/Long (NAD83) 29.5456, -97.6758 Well Depth 180 Feet Elevation (NAVD88) 435.0 ft Latitude 29.545556 Longitude -97.675833 Local Aquifer Name Carrizo-Wilcox (124CRRZ) (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 103.40 82.93 72.02 1970-04-06 2025-01-03 55 54.8 103.40 0.0 Statistics Calculated 2026-01-14 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 103.40 102.86 98.75 90.96 81.31 75.99 75.96 14 14 Feb 77.65 77.53 76.98 74.90 73.31 72.54 72.32 17 17 Jun 99.75 99.67 97.92 90.13 83.90 83.05 82.93 11 11 Statistics Calculated 2026-01-14 -
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