Data and Tools

Web Applications

Filter Total Items: 244
Date published: September 22, 2012

Alkalinity Calculator

The Alkalinity Calculator will analyze the titration curve and calculate the alkalinity or acid neutralizing capacity (ANC) of the sample using one or more of several different methods. Alkalinity is for filtered samples, while ANC is for unfiltered samples. The results will be displayed in tabular and graphical form.

Date published: October 20, 2011

Groundwater Recharge in Pennsylvania

A map app to get recharge values from streamgage locations in Pennsylvania. Development of this app is described here

Date published: October 1, 2010

Flood Database for Colorado

The U.S. Geological Survey, in cooperation with the Colorado Department of Transportation, created a Web-based geodatabase for information on floods from 1867 through water year 2015.  The flood database also contains information on paleofloods occurring in the past 5,000 to 10,000 years.  

Date published: May 23, 2002

Identifying Changes in Background Water-Quality Conditions, Arkansas River and Fountain Creek, near Pueblo, Colorado

Web based application to compare, on a real-time basis, estimated dissolved-solids concentration and load as a as a surrogate for water-quality condition in the Arkansas River and Fountain Creek near Pueblo, CO and determine whether future water-quality conditions are significantly different from background conditions.