Water Quality Databases

Gis Data

SINA Calidad del Agua

Geoportal de calidad de agua en diferentes puntos de México del Sistema Nacional de Información del Agua

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TCEQ Open Data Portal

Texas Commission on Environmental Quality portal is an interactive maps of water districts, surface water quality, water well reports

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Time Series


The USGS collects and analyzes chemical, physical, and biological properties of water, sediment and tissue samples from across the Nation. The Water Data for the Nation discrete sample data base is a compilation of over 4.4 million historical water quality analyses in the USGS district data bases through September 2005

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