"Continuing urbanization of the Waterford River Basin will not significantly increase the volume of runoff, but will increase the peak flows, by about 25%. Although urban development has increased pollution in the river during the early stages of runoff, the only real concern has been caused by high bacteria counts preventing body-contact recreation in the river. Runoff quantity and quality in fully urbanized sewered catchments have been effectively controlled by maintaining low effective imperviousness and low density of sewer inlets. Groundwater in the basin has been barely affected by progressing urbanization except for elevated levels of sodium chloride originating from road salting operations"--Abstract.