The iron concentration in the Lackawanna River near Archbald ranged from less than 0.3 to 0.794 milligrams per liter, with an average of 0.5 milligrams per liter. The amount of manganese ranged from less than 0.083 to 0.16 milligrams per liter, with an average of 0.12 milligrams per liter. The amount of aluminum ranged from 0.4 to 0.742 milligrams per liter, with an average of 0.57 milligrams per liter. The pH ranged between 6.5 and 7.2, with an average of 6.7. The concentration of acidity was 0 milligrams per liter and the alkalinity concentration ranged from 17 to 38 milligrams per liter (with an average of 27.57 milligrams per liter). The sulfate concentration ranged from less than 20 to 136 milligrams per liter, with an average of 59.55 milligrams per liter.