Water Resources of the United States


Regional and Local Flood Alerts

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.
PROJECT ALERT NOTICE (IA) Heavy rains cause record flooding in the Des Moines area metro
Sun, 01 Jul 2018 10:44:19 EDT
USGS crews respond to over 7 inches of rain that fell in the Des Moines metro area overnight.
PROJECT ALERT NOTICE (ND) Missouri River
Mon, 25 Jun 2018 11:32:17 EDT
Major flood stage reached on the Missouri River above Lake Sakakawea. Garrison Dam releases reach 60,000 cfs.
PROJECT ALERT NOTICE (IA IL) Major flooding in IA and IL
Fri, 22 Jun 2018 09:16:00 EDT
USGS crews from the Central Midwest Water Science Center respond to major flooding in IA and IL
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.

USGS Flood Event Viewer: Providing Hurricane and Flood Response Data

thumbnail of USGS Flood Event Viewer

The USGS streamgage network is the largest streamgage network in the US, but even with over 8,000 real-time stations, more data is needed for certain storms. During large, short-term events, the USGS collects additional data (high-water marks, additional sensor deployments) to aid in documenting high-water events. This short-term event data is uploaded to the USGS Short-Term Network (STN) for long-term archival. The USGS Flood Event Viewer provides convenient, map-based access to storm-surge and other event-based data collected within the USGS STN.

The Flood Event Viewer (FEV) application and STN database are designed to encourage, but not require, repeated visits to temporary sensor deployment (wave or water level) or HWM locations. By developing a system that encourages repeated, as-needed deployments in the same locations, the system facilitates the development of longer-term datasets of storm events than would be feasible by relying on field personnel's memories of previous deployments or interpretations of paper records alone. Efficient responses to significant events have become a cornerstone of the USGS Hazards Response.

For more information about the details of this program, please see our Frequently Asked Questions or use the contact information at the bottom of this page.

Many ways to access flood event data, brought to you by the Web Informatics and Mapping (WIM):

Helpful paper forms for offline use:

(Users with a PDF reader may be able to complete these fillable forms directly on a tablet or notebook PC in the field. Forms can also be printed.)

(Special thanks to Ryan Hollins for these versions of the forms!)


For questions related to this site or to contribute content, please email Todd Koenig.

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Page Last Modified: Wednesday, 04-Apr-2018 09:52:43 EDT