Vent Hole Condition
A reference table for codes that describe the condition of the vent holes for a crest-stage gage.
United States Geological Survey, Surface Water User Group
|Code||Sort Order||Valid Flag||Name||Description|
|UNSP||1||true||Unspecified||The condition of the intake holes were not specified by user.|
|VNOP||2||true||Open||The intake holes are open.|
|VNPP||3||true||Partially plugged||The intake holes are partially plugged.|
|VNPD||4||true||Plugged||The intake holes are plugged.|