the daily aluminum load at the headwaters of south branch newport creek is . the concentration of aluminum at this location is 2.00 milligrams per liter. the load is per day downstream of unt 28346, with a concentration of 4.53 milligrams per liter and daily downstream of the sheatown discharge, with a concentration of 3.38 milligrams per liter there. the daily aluminum load is upstream of the creek's mouth, where the concentration is 1.09 milligrams per liter.