Here are a few links that can be used as a resource for the data source for the Green River Project.
Water Quality Testing on the Royal River: http://www-portland.com/ph/cascobay/royal/water.htm
This site is to be used as a description of abiotic and biotic tests to be done on the river water.
Seakeepers: http://www.hmu.auckland.ac.nz:8001/seakeepers/RIVERS/PRESURVY.HTM
This site is to be used as a description of abiotic and biotic tests to be done of the river water.
River Pollution:http://206.45.107.24./thomas/river.htm
This site talks about various types of pollution in a river.