I have a GIS Project I am assisting on regarding toxicity of water in various parts of the world. I'm curious to know what agencies and surveyor data are available throughout the various government agencies and municipalities around the world in the form of shapefile, points, lines, db, etc..
Ideally, we could benefit from measures of various concentractions of toxins like mercury, fluoride, etc. and other minerals like phosphorous, salt, iodine, and more.
We have just began the quest to acquire our data and we are finding it is more difficult than expected.
We are using ArcGIS 9.3, ArcGIS 10, and some Federal US data.
Any help is greatly appreciated!