· There were no environmentally
significant trends in water quality that could be identified
through visual examination of the data.
· Total aluminum, arsenic, cadmium, organic carbon, chromium, copper, iron, lead, manganese, selenium, and zinc at times exceeded water quality criteria for aquatic life or drinking water due to high levels of suspended sediment during high river flow. These substances were probably not biologically available and would be removed by drinking water treatment needed to remove turbidity.
· Turbidity removal and disinfection are needed prior to drinking.
· The river was often too turbid for recreation during the summer.
· The river had a low sensitivity to acid inputs.
· Hardness levels were mostly above the optimum range for drinking water, reaching the poor range during winter.
· The water was cool enough for drinking except during the summer, when it was warm enough for water-contact recreation.