Water Resources of the United States


Regional and Local Flood Alerts

PROJECT ALERT NOTICE (PA)
Wed, 15 Aug 2018 15:50:42 EDT
Flood response in eastern and central Pennsylvania
PROJECT ALERT NOTICE (NY) Flooding: south-central New York
Tue, 14 Aug 2018 14:58:49 EDT
Flooding in south-central New York
PROJECT ALERT NOTICE (PA) Heavy rains cause flooding in central PA
Tue, 24 Jul 2018 12:53:23 EDT
USGS crews respond to widespread flooding in central Pennsylvania as a result of heavy rain over the last 72 hours.
PROJECT ALERT NOTICE (AZ) Flood caused train derailment in Marana Arizona
Thu, 12 Jul 2018 12:08:46 EDT
July 10th, Train Derailment in Marana, Arizona
PROJECT ALERT NOTICE (PR) Project Alert
Tue, 10 Jul 2018 10:19:47 EDT
Very minor flooding in eastern Puerto Rico as a result of the passing of tropical depression Beryl.
FULL ALERT LISTING

State-based Flood Information

There is a USGS Water Science Center office in each State. Alabama Arkansas Georgia Illinois Indiana Kansas Louisiana Montana North Carolina North Dakota Oklahoma South Carolina Tennessee Wyoming Texas Alaska Arizona California Caribbean Colorado Connecticut Florida Hawaii Idaho Iowa Kentucky Maine Maryland-Delaware-D.C. Massachusettes Michigan Minnesota Mississippi Missouri Nebraska Nevada New Hampshire New Jersey New Mexico New York Ohio Oregon Pennsylvania Rhode Island South Dakota Utah Vermont Virginia Washington West Virginia Wisconsin

Click the map above to visit a State-specific flood page (if available), or check out one of these State flood databases:


Colorado Flood Database

Oklahoma Flood Database

Related Links

US Army Corps of Engineers Flood Risk Management
ESRI Current Flood conditions with social media
100-Year Flood--It's All About Chance - poster discussing the meaning and use of probability language in flood characterization.
USGS Water Science School - a comprehensive, down-to-earth introduction to water science.

USGS Contact Information

For questions related to this site or to contribute content, please email TODD KOENIG or BOB HOLMES.

USGS Flood Information   

The USGS provides practical, unbiased information about the Nation's rivers and streams that is crucial in mitigating hazards associated with floods. This site provides information about the USGS activities, data, and services provided during regional high-flow events, such as hurricanes or multi-state flooding events. The USGS response to these events is typically managed by the National Floods Specialist.

This section contains information about active and recent events tracked by the USGS National Floods Specialist. Streamflow data is vitally important for our partner agencies to forecast flood magnitude and timing, operate flood control systems, and manage emergency response. In addition, USGS also coordinates collection and dissemination of geospatial imagery and map products used for flood response and evaluation.

Today's Flood Conditions
(USGS WaterWatch)

  • River Above Flood Stage
  • 99th Percentile
  • 95-98 Percentile

Additional Resources for Current Conditions and Forecasts

USGS Home Water Climate Change Science Systems Ecosystems Energy, Minerals, & Env. Health Hazards USGS Intranet

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URL: https://water.usgs.gov/floods/
Page Contact Information: Water Webserver Team
Page Last Modified: Friday, 16-Dec-2016 12:52:57 EST