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Flood Mapping Resources | Texas Water Development Board
General Groundwater and Private Water Well FAQ - Texas
Texas Water Development Board
SDR Reports and Downloads | Texas Water Development Board
Data, Apps and Maps | Texas Water Development Board
GIS Data | Texas Water Development Board
Locating a Water Well Report | Texas Water Development Board
Texas Well Report Submission and Retrieval System (TWRSRS)
Groundwater Division | Texas Water Development Board
Sampling a Private Water Well | Texas Water Development Board