United Utilities project manager Jason Boyd said the company had been taking out "what we've been allowed" but waterremoval had caused the rivers to run dry in past summers.
These keep us dependent on foreign countries, or tied to power that pollutes our air and water and devastates communities (as in mountaintop removal coal mining).
Three main topics will be tackled, namely removal of particulate and colloidal matter within drinking water production and in wastewater treatment, and reduction of colloidal carriers mobilised from waste disposals.
Restoring the water-retaining capacity of hydro-electric dams by regular dredging and sand and silt removal is the only way left before the authorities.
Officials at the Glen Canyon National Recreation Area in Arizona started a Graffiti Removal and Intervention Team, and this year are recruiting volunteers to scrub off graffiti with water and wire brushes, according to the Glen Canyon website.
The lawsuit is structured around a claim under the Clean Water Act and a declaration that four of the defendants are liable under the Oil Pollution Act for all removal costs and damages caused by the oil spill, including damages to the environment.