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Planned maintenance period

Start: Thursday, November 18th, at 09:00am CST
Duration: <6 hours
Impact: USGS Real-Time web pages for stations in MI, MN and WI. There should be no disruption in real-time data services for planned maintenance period.

If there are concerns please contact via these emails:

Michigan: gs-w-mi_NWISWeb_Maintainer@usgs.gov
Minnesota: gs-w-mn_NWISWeb_Maintainer@usgs.gov
Wisconsin: gs-w-wi_NWISWeb_Maintainer@usgs.gov

NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. Click here for more information.