Summary: This online, map-based tool provides access to water-related data for over 1.5 million sites in the United States. The data can be viewed in a web browser or downloaded in several different formats.

Summary: This desktop application provides estimates for the amount of rainwater and frequency of runoff anywhere in the United States. Its primary use is to inform site developers on how well they can meet a desired stormwater retention target with and without the use of green infrastructure.

Summary: Water utility personnel can work through this straightforward guide to document the threat of flooding at their utilities, identify specific vulnerabilities and potential mitigation options, and develop an implementation plan to increase their resilience to flooding.

Summary: Access precipitation frequency estimates for precipitation depth or intensity as tables, graphs, or GIS layers for any location in the contiguous United States.

Already a threat to fish, mussels, and other marine creatures, low-oxygen “dead zones” are expected to increase in both size and number as greenhouse gas concentrations and global temperatures continue to rise.

Culvert washout in Liberty, NY. Image Credit: James Pinhero, New York State Department of Environmental Conservation. Last modified : . 17 February 2015 - 11:17am. ...

Culvert on Lake Creek in Rensselaerville, NY. Image credit: Andrew Mayer, Hudson River Estuary Program. Page/s that contain this image : . Extreme Rainfall Analyses Can Point to Right Si ...

Devastating floods across Malaysia and Thailand in late December and mid-January bear the hallmarks of an enhanced MJO climate pattern superimposed on the seasonal monsoon.

ENSO blogger Tony Barnston explains why climate forecasters can't get by with just a single indicator for predicting El Niño and La Niña.

Summary: High school students in Kentucky became proficient in using the EPA's Stormwater Calculator. When their county planned a new library, they put their skills to work.