The Disaster Management Department of the Govt. of Bihar has a website providing detailed analysis, statistics related to the current flood situation. Access here.
Details regarding affected districts are available here, Click here .
A daily bulletin on the Rainfall Position, Flood Affected Areas and Extent of Damage is also available here.
The Flood Management Information System introduces the extensive use of modern information technologies to collate and dispense information in mission critical situations.
The above image is interactive on the FMIS site, current inundation levels of various districts is as indicated in the following images.