LJ-65-21-230 (Southwest Piezometer No. 2)
U.S. Geological Survey
Located in Harris County, Texas, this groundwater monitoring location is associated with a water well in the Coastal lowlands aquifer system.
Well Construction
| Depth | Description | |
|---|---|---|
| 0.0-1928.0 ft | 4.5 in diameter steel casing | |
| 1938.0-1943.0 ft | 2.5 in diameter steel casing | |
| 1928.0-1938.0 ft | 2.5 in diameter stainless steel screen |
No lithology data is available
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Agency U.S. Geological Survey Site Name LJ-65-21-230 (Southwest Piezometer No. 2) Site Number 294338095270403 Site Type WELL Lat/Long (NAD83) 29.7275, -95.4514 Well Depth 1943 Feet Elevation (NAVD88) 55.93 ft Latitude 29.7275 Longitude -95.4513888888889 Local Aquifer Name Evangeline Aquifer (None) National Aquifer Name Coastal lowlands aquifer system (S100CSLLWD) Aquifer Type CONFINED Water-Level Well Type Trend 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 425.90 292.43 241.34 1980-03-05 2026-02-21 7746 45.9 265.35 56.522 Statistics Calculated 2026-02-22 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 405.70 396.32 346.73 293.22 255.25 249.56 245.13 45 45 Feb 406.70 391.47 326.37 286.95 255.25 249.59 243.32 44 44 Mar 405.09 392.25 338.82 294.24 254.26 248.16 243.30 45 45 Apr 409.87 395.87 348.62 295.21 251.72 248.17 242.25 46 46 May 412.21 395.31 349.84 294.48 251.78 248.02 241.68 46 46 Jun 410.13 396.71 350.67 294.00 252.48 248.29 242.26 46 46 Jul 414.56 398.70 348.70 293.86 252.75 249.81 242.57 46 46 Aug 415.57 399.70 347.75 296.29 254.62 250.11 243.13 46 46 Sep 417.33 397.86 346.58 292.06 255.57 249.90 243.59 46 46 Oct 425.90 393.41 351.28 288.80 254.85 249.88 247.86 43 43 Nov 415.75 397.68 353.53 285.78 255.85 249.55 248.04 44 44 Dec 417.13 398.56 349.71 288.55 256.03 250.17 246.69 44 44 Statistics Calculated 2026-02-22 -
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