- This event has passed.
NWIS 5.2 Upgrade
September 8, 2014 - November 6, 2014
NWIS is being upgraded to 5.2 across all USGS Water Science Centers between Sept 8 and Nov 6.
For specifc office schedules and further information: http://nwis.usgs.gov/communications/2014news/140826NWIS5_2-Release.html