Buffalo Arroyo Quad
Texas Water Development Board
Located in Donley County, Texas, this groundwater monitoring location is associated with a water well in the High Plains aquifer.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-55.0 ft | steel casing | |
| 55.0-166.0 ft | steel screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-55.0 ft | - | Caliche and Sand, Mixed |
| 55.0-90.0 ft | - | Caliche |
| 90.0-118.0 ft | - | Sand, Loose and Gravel |
| 118.0-165.0 ft | - | Sand, Fine and Gravel |
| 165.0-166.0 ft | - | Red Bed |
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Agency Texas Water Development Board Site Name Buffalo Arroyo Quad Site Number 1108308 Site Type WELL Lat/Long (NAD83) 34.9964, -101.0181 Well Depth 166 Feet Elevation (NAVD88) 2883.0 ft Latitude 34.9963889 Longitude -101.0180556 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 92.90 63.17 44.60 1955-02-15 2025-01-16 74 69.9 91.00 10.00 Statistics Calculated 2026-01-12 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 92.90 91.00 80.65 59.32 51.32 44.90 44.60 29 29 Feb 90.50 89.62 81.62 57.94 54.54 54.42 54.41 10 10 Dec 87.50 78.32 70.08 65.10 58.50 57.42 57.03 18 18 Statistics Calculated 2026-01-12 -
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