Water Resources

Software

The USGS Water Resources Mission Area provides water information that is fundamental to national and local economic well-being,
protection of life and property, and effective management of the Nation’s water resources. Below, find software for a wide range of water resources research and management questions.

MODFLOW

MODFLOW

The internationally recognized USGS modular hydrologic model

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StreamStats

StreamStats

Streamflow statistics and spatial analysis tools for water-resources applications

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Filter Total Items: 56
Date published: March 14, 2018

Water, Energy, and Biogeochemical Model (WEBMOD)

The Water, Energy, and Biogeochemical Model (WEBMOD) uses the framework of the U.S. Geological Survey (USGS) Modular Modeling System (MMS) to simulate fluxes of water and solutes through watersheds. WEBMOD divides watersheds into model response units (MRU) where fluxes and reactions are simulated for several hillslope reservoir types.

Attribution: Water Resources
Date published: March 13, 2018

Groundwater Transport Process (GWT)

Groundwater Transport Process (GWT) is a three-dimensional ground-water flow and solute-transport model integrated with MODFLOW-2000.

Attribution: Water Resources
Date published: February 19, 2018

FloPy: Python Package for Creating, Running, and Post-Processing MODFLOW-Based Models

FloPy is a Python package for creating, running, and post-processing MODFLOW-based models.

Attribution: Water Resources
Date published: December 15, 2017

MODPATH: A Particle-Tracking Model for MODFLOW

MODPATH is a particle-tracking post-processing model that computes flow paths using output from MODFLOW.

Attribution: Water Resources
Date published: November 9, 2017

PHREEQC Version 3

PHREEQC Version 3 is a computer program for speciation, batch-reaction, one-Ddmensional transport, and inverse geochemical calculations.

Attribution: Water Resources
Date published: November 2, 2017

CE-QUAL-W2 - Hydrodynamic and Water Quality Model

CE-QUAL-W2 is a water quality and hydrodynamic model in 2D (longitudinal-vertical) for rivers, estuaries, lakes, reservoirs and river basin systems. W2 models basic eutrophication processes such as temperature-nutrient-algae-dissolved oxygen-organic matter and sediment relationships.

Date published: October 27, 2017

MODFLOW-USG: An Unstructured Grid Version of MODFLOW for Simulating Groundwater Flow and Tightly Coupled Processes Using a Control Volume Finite-Difference Formulation

MODFLOW-USG is an unstructured grid version of MODFLOW for simulating groundwater flow and tightly-coupled processes using a control volume finite-difference formulation.

Attribution: Water Resources
Date published: June 20, 2017

GCLAS (Graphical Constituent Loading Analysis System)

GCLAS is a program designed primarily to compute daily and annual loadings of constituents transported in streamflow.

Date published: May 31, 2017

Scenario Evaluator for Electrical Resistivity (SEER) Survey Pre-Modeling Tool

The USGS Scenario Evaluator for Electrical Resistivity (SEER) is a quick and simple Excel-based decision support tool practitioners can use to assess the likely outcome of using two-dimensional (2D) electrical resistivity imaging for site characterization and remediation monitoring.

Attribution: Water Resources
Date published: January 6, 2017

GRIDGEN: A Program for Generating Unstructured Finite-Volume Grids

GRIDGEN is a program for generating layered quadtree grids for MODFLOW-USG.

Attribution: Water Resources
Date published: August 30, 2016

HYDROTHERM

The HYDROTHERM computer program simulates multi-phase ground-water flow and associated thermal energy transport in three dimensions. It can handle high fluid pressures, up to 1 x 10^9 Pa (104 atm), and high temperatures, up to 1,200 °C. 

Attribution: Water Resources