Lake Merritt Quad
Texas Water Development Board
Located in Mills County, Texas, this groundwater monitoring location is associated with a water well in the Edwards-Trinity aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-145.0 ft | galvanized iron casing | |
| 145.0-165.0 ft | galvanized iron screen |
| Depth | Lithology | Description |
|---|---|---|
| 0.0-5.0 ft | - | Black Soil and Fine Rock |
| 5.0-30.0 ft | - | White Lime Rock |
| 30.0-80.0 ft | - | Blue Shale |
| 80.0-85.0 ft | - | Sand (White Sugar) Water (Paluxy) |
| 85.0-165.0 ft | - | Blue Shale and Blue Rock |
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Agency Texas Water Development Board Site Name Lake Merritt Quad Site Number 4128401 Site Type WELL Lat/Long (NAD83) 31.569, -98.5961 Well Depth 165 Feet Elevation (NAVD88) 1593.0 ft Latitude 31.5690056 Longitude -98.5961389 Local Aquifer Name Trinity (218PXGR) (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 80.23 50.98 45.24 1961-05-04 2024-10-30 55 63.4 48.78 33.33 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 Mar 54.51 54.38 53.54 52.79 51.96 47.88 45.24 16 16 Oct 49.59 49.53 48.92 48.54 47.58 45.79 45.75 11 11 Statistics Calculated 2025-04-21 -
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