Water Network Tool for Resilience (WNTR)#

The Water Network Tool for Resilience (WNTR) is an EPANET compatible Python package designed to simulate and analyze resilience of water distribution networks.

The official WNTR software repository is hosted in the U.S. EPA’s GitHub organization (USEPA/WNTR); releases are available via PyPI and conda-forge (see Installation).

Key Features in WNTR#



Version 1.2.0 is now available. See release notes for more information.

Citing WNTR#

To cite WNTR, use one of the following references:

  • Klise, K.A., Hart, D.B., Bynum, M., Hogge, J., Haxton, T., Murray, R., Burkhardt, J. (2020). Water Network Tool for Resilience (WNTR) User Manual: Version 0.2.3. U.S. EPA Office of Research and Development, Washington, DC, EPA/600/R-20/185, 82p.

  • Klise, K.A., Murray, R., Haxton, T. (2018). An overview of the Water Network Tool for Resilience (WNTR), In Proceedings of the 1st International WDSA/CCWI Joint Conference, Kingston, Ontario, Canada, July 23-25, 075, 8p.

  • Klise, K.A., Bynum, M., Moriarty, D., Murray, R. (2017). A software framework for assessing the resilience of drinking water systems to disasters with an example earthquake case study, Environmental Modelling and Software, 95, 420-431, doi: 10.1016/j.envsoft.2017.06.022

US EPA Disclaimer#

The U.S. Environmental Protection Agency through its Office of Research and Development funded and collaborated in the research described here under an Interagency Agreement with the Department of Energy’s Sandia National Laboratories. It has been subjected to the Agency’s review and has been approved for publication. Note that approval does not signify that the contents necessarily reflect the views of the Agency. Mention of trade names products, or services does not convey official EPA approval, endorsement, or recommendation.

Sandia Funding Statement#

Sandia National Laboratories is a multimission laboratory managed and operated by National Technology and Engineering Solutions of Sandia, LLC., a wholly owned subsidiary of Honeywell International, Inc., for the U.S. Department of Energy’s National Nuclear Security Administration under contract DE-NA-0003525.