the daily load of acidity at the headwaters of south branch newport creek is . the concentration of acidity at this location is 33.80 milligrams per liter. downstream of unt 28346, the daily load of acidity is , with the concentration being 62.47 milligrams per liter and downstream of the sheatown discharge, the load is per day, with a concentration of 42.57 milligrams per liter there. upstream of the mouth of the creek, the daily load of acidity is , where the acidity concentration is 13.93 milligrams per liter.