Monitored Water Supply Reservoirs are 82.7% full on 2017-08-26 (shows Barker and Addicks 0% and 0.1% capacity)
Army Corps of Engineers Addicks and Barker Dams and Reservoirs 8/25/2017 Update
There were flood warnings in April 2016.
FYI the Harris county rainfall map also has the Reservoir elevations..they emptied them out a couple of days ago..but filling up fast now
https://www.harriscountyfws.org
move you Mouse over each station and click more info