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TDWI Upside - Where Data Means Business

Data Stories: Graphing Water Danger and Availability

These visualizations convey data about lead in the U.S. water supply and general availability of water.


Communities with Hidden Dangers


This investigation from Reuters into lead poisoning in the U.S. is a few years old, but still interesting. The interactive visualizations show specific neighborhoods and cities where children face significant risk. 


Predicting Pipes

Flint Pipe Map

This map uses a mathematical model to predict whether water service lines at specific addresses in Flint, Michigan, might be made of lead or galvanized steel. More information about the model is available in University of Michigan research.


Where Water Is Plentiful or in Short Supply


The National Integrated Water Availability Assessments map shows a daily estimate of natural water storage across the U.S. (although it does not yet include Alaska and Hawaii). It uses a simulation model that combines recent weather information with known climate and landscape factors to estimate water availability compared to historical levels.

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