Pony Flats Quad
Texas Water Development Board
Located in Armstrong County, Texas, this groundwater monitoring location is associated with a water well in the High Plains aquifer.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-189.0 ft | steel casing | |
| 189.0-228.0 ft | steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-6.0 ft | - | Top Soil |
| 6.0-32.0 ft | - | Caliche |
| 32.0-74.0 ft | - | Sandy Clay |
| 74.0-100.0 ft | - | Sandstone |
| 100.0-112.0 ft | - | Brown Clay |
| 112.0-128.0 ft | - | Sandy Clay |
| 128.0-133.0 ft | - | Sand and Gravel |
| 133.0-160.0 ft | - | Brown Clay |
| 160.0-176.0 ft | - | Sand and Gravel |
| 176.0-214.0 ft | - | White Clay |
| 214.0-224.0 ft | - | Gray Sandstone and Blue Clay |
| 224.0-230.0 ft | - | Red Clay |
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Agency Texas Water Development Board Site Name Pony Flats Quad Site Number 1104101 Site Type WELL Lat/Long (NAD83) 34.9892, -101.5933 Well Depth 230 Feet Elevation (NAVD88) 3468.0 ft Latitude 34.989167 Longitude -101.593334 Local Aquifer Name Ogallala (121OGLL) (None) National Aquifer Name High Plains aquifer (N100HGHPLN) 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 208.90 201.50 197.60 1972-04-21 2024-11-20 40 52.6 208.85 -- Statistics Calculated 2026-01-15 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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