Rating Control Condition Code (control_type_cd)

The rating control condition code describes the condition of the rating control at the time of the measurement. The possible values for the code are:

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Code         Description
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UNSP         The stream control conditions were not specified.
AICE         The stream control is covered with anchor ice.
CICE         The stream control was convered by ice.
CLER         The stream control was clear of any obstructions.
FILL         The stream control was filled.
HVDB         The stream control was heavily covered with debris.
LGDB         The stream control was lightly covered with debris.
ALGA         The stream control was covered with moss/algae.
MAHV         The stream control was heavily covered with moss/algae.
MALT         The stream control was lightly covered with moss/algae.
MAMD         The stream control was moderately covered with moss/algae.
MDDB         The stream control was moderately covered with debris.
NFLW         There was no flow over the stream control.
SCUR         The stream control has scour conditions.
SICE         The stream control has shore ice.
SUBM         The stream control was submerged.