This paper by Anne Mikelonis , Timothy Boe, Worth Calfee and Sang Don Lee, from the United States Environmental Protection Agency, identifies 27 existing water models that are able to simulate hydraulic, hydrologic and water quality processes and discusses the necessary adjustments to running the models during remediation activities. It also highlights how these features relate to the unique considerations encountered in the homeland security sector and discusses ongoing research needs. To read the full paper, please visit the open-access JWMM: