An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Related Topics:

Contact Us about Water Research

Report an environmental violation

Report a Violation
Report possible violations of environmental laws and regulations.

Water Research Comments or Questions: Contact Michelle Latham
Email: latham.michelle@epa.gov
Phone: 513-569-7601

Models and Tools Technical Questions: See table below for technical contacts.

General Comments or Questions: Please use the form below. Make sure to include your email address if you would like a response.

Mailing Address:
U.S. EPA Research
Office of Science Information Management
109 Alexander Drive (Mail Drop: D343-04)
Durham, NC 27711

Contacts for Models, Tools, and Databases

Model,  Tool, or Database Technical Contact Phone #
2DFATMIC (Two-Dimensional Subsurface Flow, Fate and Transport of Microbes and Chemicals) David Burden 580-436-8606
3DFATMIC (Three-Dimensional Subsurface Flow, Fate and Transport of Microbes and Chemicals) David Burden 580-436-8606
3DFEMWATER/3DFEMDLEWASTE (Three-Dimensional Finite Element Model of Water Flow Through Saturated-Unsaturated Media and Three-Dimensional Lagrangian-Eulerian Finite Element Model of Waste Transport Through Saturated-Unsaturated Media Models)  Center for Exposure Assessment Models  
AGWA (Automated Geospatial Watershed Assessment) Tool Yongping Yuan 919-541-2581
AQUATOX Brenda Rashleigh 401-782-3014
BASINS (Better Assessment Science Integrating point & Non-point Sources) BASINS Support Team  
BASS (Bioaccumulation in Aquatic Systems Simulator) Center for Exposure Assessment Models  
BIOCHLOR, Natural Attenuation Decision Support System David Burden 580-436-8606
BIOPLUME II, Computer Model of Two-Dimensional Contaminant Transport under the Influence of Oxygen Limited Biodegradation in Ground Water David Burden 580-436-8606
BIOPLUME III, Natural Attenuation Decision Support System David Burden 580-436-8606
BIOSCREEN, Natural Attenuation Decision Support System David Burden 580-436-8606
Breakpoint Chlorination Simulator for Drinking Water Systems  Exit David Wahman 513-569-7733
CADDIS (Causal Analysis/Diagnosis Decision Information System) EARCG-CADDIS Program  
CANARY Kathy Nickel 513-569-7955
CHEMFLO™-2000,  Software for Simulating Water and Chemical Movement in Unsaturated Soils David Burden 580-436-8606
Chloramine Formation and Decay Simulator for Drinking Water Systems Exit David Wahman 513-569-7733
Constant Flux Green Ampt (Infiltration Models) David Burden 580-436-8606
CZAEM (Capture Zone Analytic Element Model) David Burden 580-436-8606
Cyanbacteria Assessment Network Mobile Application (CyAN app) CyAN Help  
Drinking Water Treatability Database Craig Patterson 513-487-2805
Drinking Water Treatment Technology Unit Cost Models Thomas Speth 513-569-7208
Ecotox (Ecotoxicology Database) ECOTOX Support 218-529-5225
EDM (Estuary Data Mapper) EDM Support  
EFDC (Environmental Fluid Dynamics Code) Center for Exposure Assessment Models  
Environmental Technologies Design Option Tool (ETDOT) Jonathan Burkhardt 513-569-7466
EPA Center for Exposure Assessment Modeling Center for Exposure Assessment Models  
EPA ExpoBox (A Toolbox for Exposure Assessors) Linda Phillips 703-347-0366
EPANET (all versions) EPANET help  
EXAMS (Exposure Analysis Modeling System) Center for Exposure Assessment Models  
Explicit Green Ampt (Infiltration Models) David Burden 580-436-8606
FOOTPRINT David Burden 580-436-8606
Free Chlorine and Cyanuric Acid System SimulatorExit David Wahman 513-569-7733
GCSOLAR Center for Exposure Assessment Models  
GEOEAS (Geostatistical Environmental Assessment) David Burden 580-436-8606
GEOPACK (Geostatistical Software Package) David Burden 580-436-8606
GeoPlatform Storwmater BMP Performance Database Michelle Simon 513-569-7469
GIFMod (Green Infrastructure Flexible Model) EXIT GIFMod Support EXIT  
GIWiz (Green Infrastructure Wizard) GIWiz Support  
Global Change Explorer (GCX) Phil Morefield 703-308-8135
Gray Tool Center for Exposure Assessment Models  
Green Infrastructure Modeling Toolkit Michelle Latham 513-569-7601
Green Tool Center for Exposure Assessment Models  
HELP (Hydrologic Evaluation of Landfill Performance) Model Aaron Ferster 202-564-0321
How to Identify Lead Free Certification Marks for Drinking Water System and Plumbing Products Michelle Latham 513-569-7601
HSCTM2D (Hydrodynamic, Sediment, and Contaminant Transport Model) Center for Exposure Assessment Models  
HSPF (Hydrological Simulation Program - FORTRAN) Center for Exposure Assessment Models  
HSSM (Hydrocarbon Spill Screening Model) David Burden 580-436-8606
ICLUS+ (Integrated Climate and Land-Use Scenarios) David Burden 580-436-8606
Infiltration Models David Burden 580-436-8606
LakeCat (Lake-Catchment Dataset) NARS Contact  
Layered Green Ampt (Infiltration Models) David Burden 580-436-8606
MINTEQA2 Center for Exposure Assessment Models  
MOFAT (Multiphase Flow and Multicomponent Transport) David Burden 580-436-8606
Most Probable Number (MPN) Calculator Eric Villegas 513-569-7017
MULTIMED (Multimedia Exposure Assessment Model) Center for Exposure Assessment Models  
NAPL (Nonaqueous Phase Liquid) Simulator David Burden 580-436-8606
National Database Structure for Life Cycle Performance Assessment of Water and Wastewater Rehabilitation Technologies (Retrospective Evaluation) Ariamalar Selvakumar 732-906-6990
OWL (Optimal Well Locator) David Burden 580-436-8606
PESTAN (Pesticide Analytical) David Burden 580-436-8606
Philip's Two-Term (Infiltration Models) David Burden 580-436-8606
PRZM3 Center for Exposure Assessment Models  
QTRACER2 (Quantitative Tracer Analysis Software) Malcolm Field  703-347-8601
QUAL2K (River and Stream Water Quality) Exit Center for Exposure Assessment Models  
RBI (Rapid Benefit Indicators) Approach Marisa Mazzotta 402-782-3026
REMChlor (Remediation Evaluation Model for Chlorinated Solvents) David Burden 580-436-8606
REMFuel (Remediation Evaluation Model for Fuel Hydrocarbons) David Burden 580-436-8606
RETC (Retention Curve) Computer Program David Burden 580-436-8606                                            
RITZ (Regulatory and Investigative Treatment Zone) David Burden 580-436-8606
SERAEM (Spreadsheet-based Ecological Risk Assessment for the Fate of Mercury) Conceptual Model Center for Exposure Assessment Models  
SHEDS (Stochastic Human Exposure and Dose Simulation) Models Chemical Safety Research  
SSOAP (Sanitary Sewer Overflow Analysis and Planning) Toolbox Michelle Simon 513-569-7469
Stable Isotope Mixing Models for Estimating Source Proportions Renee Brooks 514-754-4684
StreamCat (Stream-Catchment) Dataset NARS Contact  
SUSTAIN (System for Urban Stormwater Treatment and Analysis IntegratioN) Michelle Simon 513-569-7469
SWC (National Stormwater Calculator) SWC Team  
SWMM (Storm Water Management Model) Michelle Simon 513-569-7469
TEVASPOT (Threat Ensemble Vulnerability Assessment – Sensor Placement Optimization Tool) Graphical User Interface Kathy Nickel 513-569-7955
ToxCast (Toxicity Forecaster) Chemical Safety Research  
Traits (Freshwater Biological Traits Database) Traits Support  
VB (Virtual Beach) Mike Cyterski 706-355-8142
VELMA (Visualizing Ecosystem Land Management Assessments) Model Bob McKane 541-745-4631
Virulo David Burden 580-436-8530
VLEACH (Vadose Zone Leaching) Model David Burden 580-436-8606
VP (Visual Plumes\) Center for Exposure Assessment Models  
WASP (Water Quality Analysis Simulation Program) Center for Exposure Assessment Models  
WATERiD (Water Infrastructure Database) Exit Michael Royer 732-321-6633
WATERSHEDSS (Water, Soil, and Hydro-Environmental Decision Support System) Center for Exposure Assessment Models  
WhAEM2000 David Burden 580-436-8606
WHATIF (Watershed Health Assessment Tools Investigating Fisheries) Center for Exposure Assessment Models  
WHPA (Wellhead Protection Area) Model David Burden 580-436-8606
WMOST (Watershed Management Optimization Support Tool) Naomi Detenbeck  401-782-3162

Submit a Comment or Question

Please enter a name to address you by.
Please enter your comments.
What is nine plus seven? Please spell out the answer; do not use numbers.