Upstream (US) Level
Level at conduit inlet corresponding to levels in level/discharge table. After level/discharge data is input the required levels will automatically appear in this dialog.
Values in this column are interpreted as ABSOLUTE levels if the first level equals the Basin Invert Datum Level. Otherwise, the first level MUST equal zero and values are interpreted as levels RELATIVE to the Basin Invert Datum Level.
Downstream (US) Level
Tailwater level immediately downstream of conduit.