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Groundwater observations

TWDB Groundwater Database

Official TWDB search surface for selected groundwater well, measurement, and water-quality records.

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Source record

Agency
Texas Water Development Board
Agency level
Texas state agency
Geographic scope
Texas statewide; Wharton County records may be available
Last verified
Date basis
Source page verified 2026-07-14; individual records retain agency observation dates.

Research fit

Can help find

  • Agency well identifiers and available groundwater observations
  • Measurement dates and regional groundwater context
  • County-level routes to selected TWDB groundwater records

Cannot confirm

  • A complete registry of every well
  • Present well condition, water availability, or property suitability
  • Ownership, title, or permit standing

Suggested source path

How to search

  1. 01

    Open the official TWDB groundwater report search.

  2. 02

    Choose a county, well identifier, or available search criterion.

  3. 03

    Review the agency record date and source notes before relying on a result.

TREC research topics

Physical characteristics; Water availability

Coverage tags

Wharton

Task fit

Use this source when

  • You have a county, state well number, or other available TWDB search criterion and need agency well identifiers or dated groundwater observations.
  • You need record-specific observation context to compare with a possible well-report trail.

Research example

Search example

A saved document includes a possible state well number. Search the official TWDB groundwater report pathway with that identifier, preserve the agency well number and observation dates, and compare the result with other records without treating the identifier as parcel proof.

Troubleshooting

Common reasons results are missed

  • Searching only by a current address when the agency record is organized by well identifier or county context.
  • Dropping leading characters or punctuation from an identifier without preserving the displayed value.
  • Comparing observations without checking their measurement dates or source notes.

Research trail

Identifiers to preserve

  • State well number or agency identifier
  • Measurement or record date
  • County or search criterion used
  • Official result URL or saved source reference
  • Date viewed

Source maintenance

Source verification and change history

  1. Official source page and source-record publication boundary reviewed.

The current source record was last verified . Read the correction and changed-source policy.

Continue the research

Well-report source familyCompare groundwater records with submitted driller and plugging-report pathways.Read this guide →Groundwater-observation source familyKeep record-specific observations separate from regional recorder-well context.Read this guide →How to find Texas water well recordsTest identifiers, dates, location evidence, and unresolved candidate matches.Read this guide →Texas Water Sources research methodologySee how source records, candidate matches, comparison evidence, and unresolved questions are kept separate.Read this guide →TWDB Submitted Drillers ReportsOfficial TWDB navigation entry for submitted water-well driller report records and report identifiers.Review the source record →TWDB Water Data for Texas - Groundwater ConditionsOfficial TWDB source for dated groundwater recorder observations and regional water-condition context.Review the source record →

Official links and attribution

Source: Texas Water Development Board Groundwater Database.

Texas Water Development Board Groundwater Database Official terms or site policy
Independent source navigation

TexasWaterSources.com is an independent research and source-navigation service. Neither this website nor the information as presented is endorsed by the State of Texas, the Texas Water Development Board, TxGIO, or any groundwater conservation district. Official agency and district records remain the authoritative sources.