at south branch newport creek's headwaters, the manganese load is per day. the concentration at this location is 1.61 milligrams per liter. downstream of unt 28346, the daily manganese load is , with a concentration of 2.14 milligrams per liter and downstream of the sheatown discharge, the load is per day. the manganese concentration downstream of the sheatown discharge is 2.22 milligrams per liter. upstream of the creek's mouth, the daily load is , where the concentration is 2.23 milligrams per liter.