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Labels, historical features and model output remain separate from the source registry.

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Document search covers all news and source documents; it does not filter measurements.

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Measurements

5,974 records

Runtime samples are not the complete training dataset. Depth filters use source units; select one dataset first. Date filters include observations whose reported period overlaps the selected range.

Measurements
DatasetEntitySource fieldSource fileObserved atSource depthUnitValueUnitQuality flagsSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294219098080401Arsenicresult.csv2007-05-22Not reported / not verifiedNot reported / not verified0.7800ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294219098080402Arsenicresult.csv2007-05-29Not reported / not verifiedNot reported / not verifiedNot reported / not verifiedNot reported / not verifiedsource_blank, source_detection_condition, censored_not_exact_measurement, source_unit_unspecifiedSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294219098080402Inorganic nitrogen (nitrate and nitrite)result.csv2007-05-29Not reported / not verifiedNot reported / not verifiedNot reported / not verifiedNot reported / not verifiedsource_blank, source_detection_condition, censored_not_exact_measurement, source_unit_unspecifiedSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294219098080402Chlorideresult.csv2007-05-29Not reported / not verifiedNot reported / not verified44.9000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294220097085301Chlorideresult.csv2016-02-24Not reported / not verifiedNot reported / not verified218.0000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294220097085301Arsenicresult.csv2016-02-24Not reported / not verifiedNot reported / not verifiedNot reported / not verifiedNot reported / not verifiedsource_blank, source_detection_condition, censored_not_exact_measurement, source_unit_unspecifiedSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294220097085301Inorganic nitrogen (nitrate and nitrite)result.csv2016-02-24Not reported / not verifiedNot reported / not verifiedNot reported / not verifiedNot reported / not verifiedsource_blank, source_detection_condition, censored_not_exact_measurement, source_unit_unspecifiedSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294225098080301Arsenicresult.csv2004-12-08Not reported / not verifiedNot reported / not verified0.5000ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294225098080301Inorganic nitrogen (nitrate and nitrite)result.csv2004-12-08Not reported / not verifiedNot reported / not verified1.8800mg/l as NSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294225098080301Chlorideresult.csv2004-12-08Not reported / not verifiedNot reported / not verified16.8000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294230095232201Chlorideresult.csv2005-08-29Not reported / not verifiedNot reported / not verified28.3000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294237095342301Arsenicresult.csv2014-06-11Not reported / not verifiedNot reported / not verified3.3000ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294237095342301Chlorideresult.csv2014-06-11Not reported / not verifiedNot reported / not verified44.0000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294239098081401Chlorideresult.csv2006-03-01Not reported / not verifiedNot reported / not verified15.4000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294243095371201Chlorideresult.csv2003-08-07Not reported / not verifiedNot reported / not verified47.2000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294243095371201Chlorideresult.csv2004-09-01Not reported / not verifiedNot reported / not verified52.7000mg/lsource_not_acceptedSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294247098262601Chlorideresult.csv2006-03-23Not reported / not verifiedNot reported / not verified17.7000mg/lsource_not_acceptedSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294251095225701Chlorideresult.csv2000-09-01Not reported / not verifiedNot reported / not verified23.3000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294251095225701Chlorideresult.csv2002-09-10Not reported / not verifiedNot reported / not verified24.6000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294251095225701Chlorideresult.csv2003-08-06Not reported / not verifiedNot reported / not verified26.1000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294252095362101Chlorideresult.csv2005-09-01Not reported / not verifiedNot reported / not verified44.5000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294252095362101Arsenicresult.csv2010-11-03Not reported / not verifiedNot reported / not verified2.1000ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294252095362101Chlorideresult.csv2010-11-03Not reported / not verifiedNot reported / not verified45.3000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294306095371801Chlorideresult.csv2014-06-04Not reported / not verifiedNot reported / not verified34.9000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294306095371801Arsenicresult.csv2014-06-04Not reported / not verifiedNot reported / not verified2.1000ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294313095365101Chlorideresult.csv2005-09-01Not reported / not verifiedNot reported / not verified47.7000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294313095365101Chlorideresult.csv2014-05-22Not reported / not verifiedNot reported / not verified47.5000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294313095365101Arsenicresult.csv2014-05-22Not reported / not verifiedNot reported / not verified1.8000ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294317095313001Chlorideresult.csv2005-08-30Not reported / not verifiedNot reported / not verified29.6000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294317095313001Arsenicresult.csv2010-03-23Not reported / not verifiedNot reported / not verified3.8000ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294317095313001Chlorideresult.csv2010-03-23Not reported / not verifiedNot reported / not verified29.0000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294319095305901Chlorideresult.csv2005-08-30Not reported / not verifiedNot reported / not verified46.8000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294319095305901Chlorideresult.csv2010-03-23Not reported / not verifiedNot reported / not verified41.4000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294319095305901Arsenicresult.csv2010-03-23Not reported / not verifiedNot reported / not verified4.4000ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294320095231901Chlorideresult.csv2000-09-05Not reported / not verifiedNot reported / not verified23.8000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294320095231901Chlorideresult.csv2003-08-06Not reported / not verifiedNot reported / not verified25.3000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294320095231901Chlorideresult.csv2005-08-29Not reported / not verifiedNot reported / not verified26.0000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294321098111301Arsenicresult.csv2018-06-21Not reported / not verifiedNot reported / not verified0.2600ug/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294321098111301Chlorideresult.csv2018-06-21Not reported / not verifiedNot reported / not verified12.8000mg/lSourceExact record
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistryUSGS-294321098111301Inorganic nitrogen (nitrate and nitrite)result.csv2018-06-21Not reported / not verifiedNot reported / not verified1.6400mg/l as NSourceExact record

USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistry

U.S. Geological Survey, NWIS records retrieved through the USGS/EPA Water Quality Portal; indicate normalization changes.

Historical WQX 2.2 NWIS response for Texas groundwater chemistry. This profile excludes USGS additions after March 11, 2024; requested date bounds do not establish actual coverage. Concentration fractions, analytical methods, detection conditions, quantitation limits, qualifiers and QC samples must be reviewed before training. Non-detects are null, not zero or the quantitation limit. Source agency/site/activity identifiers do not reconcile physical wells. Acquisition is not historical availability. Source clock time and timezone code are retained without inventing a UTC instant.

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Source documents ↗

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FORCE 2020 · LAS ↗

118 Well · 7,552 records

Bormann, P.; Aursand, P.; Dilib, F.; Manral, S.; Dischington, P. (2020). FORCE 2020 well log and lithofacies dataset, DOI 10.5281/zenodo.4351156. Source Norwegian government logs under NLOD 2.0. Normalized and sampled by Wellficent.

Runtime sample is for browsing. Full source-row normalized training data must use external importer output.

Data gaps and limitations

Unknown units remain unknown. Undated depth logs are not automatically defective records.

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Data gaps and limitations
Dataset libraryRuntime recordsSource documentsMissing valuesReported values without a unitRecords without an observation date
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistry5,974059300

Data coverage

Counts describe source samples, not unique physical wells.

JSON ↗
USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistry · 5,974

Reported values: 5,381 · Missing values: 593 · Flagged values: 1,285

Channel preview is limited to 50 entries; use filters to access all records.

Data coverage
EntitySource fieldSource fileUnitSource depth · Unitrecords
USGS-260204097443701Arsenicresult.csvug/lNot reported / not verified1
USGS-260204097443701Chlorideresult.csvmg/lNot reported / not verified1
USGS-260204097443701Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-271315097473201Arsenicresult.csvug/lNot reported / not verified1
USGS-271315097473201Chlorideresult.csvmg/lNot reported / not verified1
USGS-271315097473201Inorganic nitrogen (nitrate and nitrite)result.csvmg/l as NNot reported / not verified1
USGS-271505098073401Arsenicresult.csvug/lNot reported / not verified1
USGS-271505098073401Chlorideresult.csvmg/lNot reported / not verified1
USGS-271505098073401Inorganic nitrogen (nitrate and nitrite)result.csvmg/l as NNot reported / not verified1
USGS-271841098402801Inorganic nitrogen (nitrate and nitrite)result.csvmg/l as NNot reported / not verified1
USGS-271843098401101Arsenicresult.csvug/lNot reported / not verified1
USGS-271843098401101Chlorideresult.csvmg/lNot reported / not verified1
USGS-271843098401101Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-272638098532301Arsenicresult.csvug/lNot reported / not verified1
USGS-272638098532301Chlorideresult.csvmg/lNot reported / not verified1
USGS-272638098532301Inorganic nitrogen (nitrate and nitrite)result.csvmg/l as NNot reported / not verified1
USGS-274439098144401Arsenicresult.csvug/lNot reported / not verified1
USGS-274439098144401Chlorideresult.csvmg/lNot reported / not verified1
USGS-274439098144401Inorganic nitrogen (nitrate and nitrite)result.csvmg/l as NNot reported / not verified1
USGS-275725097562701Arsenicresult.csvug/lNot reported / not verified1
USGS-275725097562701Chlorideresult.csvmg/lNot reported / not verified1
USGS-275725097562701Inorganic nitrogen (nitrate and nitrite)result.csvmg/l as NNot reported / not verified1
USGS-280232099210601Arsenicresult.csvug/lNot reported / not verified1
USGS-280232099210601Chlorideresult.csvmg/lNot reported / not verified1
USGS-280232099210601Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-280951096593801Arsenicresult.csvug/lNot reported / not verified1
USGS-280951096593801Chlorideresult.csvmg/lNot reported / not verified1
USGS-280951096593801Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-281433097191300Arsenicresult.csvug/lNot reported / not verified1
USGS-281433097191300Chlorideresult.csvmg/lNot reported / not verified1
USGS-281433097191300Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-281546099234601Arsenicresult.csvug/lNot reported / not verified1
USGS-281546099234601Chlorideresult.csvmg/lNot reported / not verified1
USGS-281546099234601Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-281621100040401Arsenicresult.csvug/lNot reported / not verified2
USGS-281621100040401Chlorideresult.csvmg/lNot reported / not verified2
USGS-281621100040401Inorganic nitrogen (nitrate and nitrite)result.csvmg/l as NNot reported / not verified2
USGS-282009099044001Arsenicresult.csvNot reported / not verifiedNot reported / not verified1
USGS-282009099044001Chlorideresult.csvmg/lNot reported / not verified1
USGS-282009099044001Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-282605099141101Arsenicresult.csvNot reported / not verifiedNot reported / not verified1
USGS-282605099141101Chlorideresult.csvmg/lNot reported / not verified1
USGS-282605099141101Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-282608099455301Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-282716099545101Arsenicresult.csvug/lNot reported / not verified1
USGS-282716099545101Chlorideresult.csvmg/lNot reported / not verified1
USGS-282716099545101Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1
USGS-282733098325701Arsenicresult.csvNot reported / not verifiedNot reported / not verified1
USGS-282733098325701Chlorideresult.csvmg/lNot reported / not verified1
USGS-282733098325701Inorganic nitrogen (nitrate and nitrite)result.csvNot reported / not verifiedNot reported / not verified1

Historical WQX 2.2 NWIS response for Texas groundwater chemistry. This profile excludes USGS additions after March 11, 2024; requested date bounds do not establish actual coverage. Concentration fractions, analytical methods, detection conditions, quantitation limits, qualifiers and QC samples must be reviewed before training. Non-detects are null, not zero or the quantitation limit. Source agency/site/activity identifiers do not reconcile physical wells. Acquisition is not historical availability. Source clock time and timezone code are retained without inventing a UTC instant.

Actual source first/last and every Nth row per entity/channel/unit/pass; no interpolation or replacement of nulls.

Dataset library

Browse all datasets →

USGS · Texas groundwater chloride, arsenic and nitrate/nitrite chemistry ↗

U.S. Geological Survey, NWIS records retrieved through the USGS/EPA Water Quality Portal; indicate normalization changes.

Historical WQX 2.2 NWIS response for Texas groundwater chemistry. This profile excludes USGS additions after March 11, 2024; requested date bounds do not establish actual coverage. Concentration fractions, analytical methods, detection conditions, quantitation limits, qualifiers and QC samples must be reviewed before training. Non-detects are null, not zero or the quantitation limit. Source agency/site/activity identifiers do not reconcile physical wells. Acquisition is not historical availability. Source clock time and timezone code are retained without inventing a UTC instant.

Source: usgs-texas-groundwater-chemistry-wqp22 ↗

imported · US public domain for USGS-authored data

U.S. Geological Survey, NWIS records retrieved through the USGS/EPA Water Quality Portal; indicate normalization changes.

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