Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you have safely connected to the .gov website. Share sensitive information only on official, secure websites.

  • Environmental Topics
  • Laws & Regulations
  • Report a Violation
  • About EPA
Contact Us

Grantee Research Project Results

Publications Details for Grant Number R835950

A Sustainable Center for Crowd-Sourced Water Infrastructure Modeling

RFA: National Center for Sustainable Water Infrastructure Modeling Research (2014)

Other Views

  • All
    Publications
  • Selected
    Publication Types
  • Journal
    Articles
  • Publications Submitted
    After Final Report
  • Redisplay this page with
    Reference Title, Journal, and Author Columns
  • Display this Page
    in RIS Format
Book Chapter (1)
Dissertation/Thesis (1)
Journal Article (21)
Presentation (44)
Proceedings (4)
Report (2)
Video (1)
Reference Type Citation Progress Report Year Document Sources
Book Chapter Hodges BR, Yu CW, Liu F. New approaches to solving the Saint-Vernant equations. In:RIver Flow 2020 Proceedings of the 10th Conference on Fluvial Hydraulics, Delft, Netherlands, July 7-10, 2020, pp. 1089-1096.. Taylor & Francis Group, London, UK. R835950 (2020)
  • Abstract: Taylor & Francis - Abstract HTML
    Exit
Dissertation/Thesis Tiernan, E., Developing SWMMCALPY:an automated genetic approach to calibrating the storm water management model. Master's Thesis, Department of Civil, Architectural, and Environmental Engineering, University of Texas at Austin, June 2018. R835950 (2018)
R835950 (2020)
  • Full-text: University of Texas, Texas Scholar Works - Full Text PDF
    Exit
  • Abstract: University of Texas, Texas Scholar Works - Abstract HTML
    Exit
Journal Article Abokifa AA, Maheshwari A, Gudi RD, Biswas P. Influence of dead-end sections of drinking water distribution networks on optimization of booster chlorination systems. Journal of Water Resources Planning and Management 2019;145(12):04019053. R835950 (2019)
R835950 (2020)
  • Full-text: ASCE- Full Text HTML
    Exit
  • Abstract: ASCE- Abstract HTML
    Exit
Journal Article Abokifa A A, Xing L, Sela L. Investigating the impacts of water conservation on water quality in distribution networks using an advection-dispersion transport model. Water 2020;12(4):1033 R835950 (2020)
  • Full-text: MDPI - Full Text HTML
    Exit
  • Abstract: MDPI - Abstract HTML
    Exit
Journal Article Abokifa A, Sela L. Integrating spatial clustering with predictive modeling of pipe failures in water distribution systems. URBAN WATER JOURNAL 2023;20(4):465-476 R835950 (2021)
  • Full-text: Taylor & Francis - Full Text HTML
    Exit
Journal Article Berglund EZ, Pesantez JE, Rasekh A, Shafiee, ME, Sela L, Haxton T. Review of modeling methodologies for managing water distribution security. Journal of Water Resources Planning and Management 2020;146(8):03120001 R835950 (2020)
  • Full-text: ASCE - Full Text HTML
    Exit
  • Other: ASCE - Full Text PDF
    Exit
Journal Article Hodges B. Conservative finite-volume forms of the Saint-Venant equations for hydrology and urban drainage. Hydrology and Earth System Sciences 2019;23(3):1281-1304. R835950 (2021)
  • Full-text: EGU - Full Text HTML
    Exit
  • Other: EGU - Full Text PDF
    Exit
Journal Article Hodges B, Sharior S, Tiernan E, Jenkins E, Rano-Briceno G, Davila-Hernandez C, Madadi-Kandjani E, Yu C. Introducing SWMM5+. JOURNAL OF ENVIRONMENTAL ENGINEERING 2024;150(10) R835950 (Final)
  • Full-text: ASCE Library - Full Text HTML
    Exit
Journal Article Hodges BR, An artificial compressibility method for 1D simulation of open-channel and pressurized-pipe flow. Wate2020;12:6:1727. R835950 (2020)
  • Full-text: MDPI - Full Text HTML
    Exit
  • Abstract: MDPI - Abstract HTML
    Exit
Journal Article Morales-Hernandez M, Sharif MB, Gangrade S, Dullo TT, Kao S, Kalyanapu A, Ghafoor SK, Evans KJ, Madadi-Kanjani E, Hodges BR. High performance computing in water resources hydrodynamics. Journal of Hydroinformatic 2020;22(5):1217–1235 R835950 (2020)
  • Full-text: IWA - Full Text HTML
    Exit
  • Other: IWA - Full Text PDF
    Exit
Journal Article Riaño-Briceño G, Sela L, Hodges B. Distributed and vectorized method of characteristics for fast transient simulations in water distribution systems. Computer-Aided Civil and Infrastructure Engineering 2021;37(2):163-184 R835950 (2022)
  • Abstract: Wiley Online - Abstract HTML
    Exit
Journal Article Salomons E, Sela L, Housh M. Hedging for privacy in smart water meters. Water Resources Research 2020;56(9):e2020WR027917 R835950 (2020)
  • Full-text: AGU - Full Text HTML
    Exit
  • Other: AGU - Full Text PDF
    Exit
Journal Article Tiernan ED, Hodges BR. A topological approach to partitioning flow networks for parallel simulation. Journal of Computing in Civil Engineering 2022;36(4):04022010. R835950 (2021)
  • Abstract: ASCE - Abstract HTML
    Exit
Journal Article Wang S, Taha A, Sela L, Giacomoni M, Gatsis N. A new derivative-free linear approximation for solving the network water flow problem with convergence guarantees. WATER RESOURCES RESEARCH 2020;56(3). R835950 (2021)
  • Full-text: Wiley - Full Text HTML
    Exit
  • Other: Wiley - Full Text PDF
    Exit
Journal Article Xing L, Sela L. Unsteady pressure patterns discovery from high-frequency sensing in water distribution systems. Water Research 2019;158:291-300. R835950 (2019)
R835950 (2020)
  • Full-text: Science Direct- Full Text
    Exit
  • Abstract: Abstract
Journal Article Yu C, Hodges BR, Liu F. A new form of the Saint-Venant equations for variable topography. Hydrology and Earth System Sciences 24:4001-4024, August 2020. R835950 (2020)
  • Full-text: European Geosciences Union - Full Text HTML
    Exit
  • Other: European Geosciences Union - Full Text PDF
    Exit
Journal Article Zhuang J, Sela L. Impact of emerging water savings scenarios on performance of urban water networks. Journal of Water Resources Planning and Management 2019;146(1):04019063. R835950 (2019)
R835950 (2020)
  • Full-text: ASCE- Full Text PDF
    Exit
  • Abstract: ASCE- Abstract HTML
    Exit
  • Other: ASCE - Full Text PDF
    Exit
Journal Article Abokifa AA, Sela L. Identification of spatial patterns in water distribution pipe failure data using spatial autocorrelation analysis. Journal of Water Resources Planning and Management 2019;145(12):04019057. R835950 (2019)
R835950 (2020)
  • Full-text: ASCE- Full Text HTML
    Exit
  • Abstract: ASCE- Abstract
    Exit
Journal Article Abokifa AA, Katz L, Sela L. Spatiotemporal trends of recovery from lead contamination in Flint, MI as revealed by crowdsourced water sampling. Water Research 2019:115442. R835950 (2019)
R835950 (2020)
  • Abstract from PubMed
  • Full-text: Science Direct- Full Text HTML
    Exit
  • Abstract: Science Direct- Abstract
    Exit
  • Other: Science Direct - Full Text HTML
    Exit
Journal Article Abokifa A, Biswas P, Hodges BR, Sela L. WUDESIM:a toolkit for simulating water quality in the dead-end branches of drinking water distribution networks. Urban Water Journal 2020;17(1):54-64. R835950 (2020)
  • Full-text: Taylor & Francis Online - Full Text HTML
    Exit
  • Other: Taylor & Francis Online - Full Text PDF
    Exit
Journal Article Hodges BR, Liu F. Timescale interpolation and no-neighbour discretization for a 1D finite-volume Saint-Venant solver. Journal of Hydraulic Research 2019:1-7. R835950 (2019)
R835950 (2020)
  • Full-text: TFO- Full Text HTML
    Exit
  • Abstract: TFO- Abstract
    Exit
Journal Article Riaño-Briceño G, Hodges BR, Sela L. PTSNet:A Parallel Transient Simulator for Water Transport Networks based on vectorization and distributed computing. Environmental Modelling & Software 2022;158:105554. R835950 (2022)
  • Full-text: Science Direct Full Text- HTML
    Exit
  • Abstract:
    Exit
Journal Article Wang S, Taha AF, Sela L, Gatsis N, Giacomoni MH. State Estimation in Water Distribution Networks through a New Successive Linear Approximation. In2019 IEEE 58th Conference on Decision and Control (CDC) 2019 Dec 11 (pp. 5474-5479). IEEE. R835950 (2020)
  • Abstract: Cornell University- Abstract HTML
    Exit
Presentation Arctur D, Rowney AC. The National Center for Infrastructure Modeling and Management -- use cases. Presented at OGC TC - Smart Cities, St Johns, Canada, June 29, 2017. R835950 (2017)
R835950 (2018)
R835950 (2020)
not available
Presentation Bayer T. Building a web ecosystem for EPANET: leveraging the power of open source technologies. Master's Thesis. Department of Civil and Environmental Engineering, Brigham Young University, Provo, Utah, 2020. R835950 (2020)
not available
Presentation Hodges BR. Future SWMM: new capabilities and challenges with a faster solver. Presented at the SWMM Visioning Summit, Reston, VA, April 4-5, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Hodges BR, Madadi-Kandjani E. Parallel code and cloud computing for water resources--building models for the next generation of computers. Presented at the International Workshop on Modelling Hydrodynamics for Water Resources, Zaragoza, Spain, June 17-20, 2019. R835950 (2020)
not available
Presentation Hodges BR, Schmidt KM. Progress on a new engine for the Storm Water Management Model (SWMM). Presented at the World Environmental and Water Resources Congress, Pittsburgh, PA, USA, May 19-23, 2019. R835950 (2019)
R835950 (2020)
not available
Presentation Hodges BR, Madadi-Kandjani E, Tiernan ED, Riaño-Briceño GA, Sharior S. Recent developments towards a new hydraulic solver for SWMM. Presented at the 54th International Conference on Water Management Modeling, Toronto, Ontario, Canada, February 26-27, 2020. R835950 (2020)
not available
Presentation Hodges, B.R., and A.C. Rowney, “Foundations for multi-thread parallel computation in stormwater network models,” 51st International Conference on Water Management Modeling (ICWWM), Toronto, Canada, Feb. 28 – Mar. 1, 2018. https://www.icwmm.org/2018-C027-10. R835950 (2018)
R835950 (2020)
not available
Presentation Madadi-Kandjani, E., L. Sela, K. Faust, F. Leite, and B.R. Hodges, “Generating residential water demand profiles through EPANET plugin development,” International Congress on Environmental Modelling and Software (iEMSs 2018), Fort Collins, Colorado, USA, Jun. 24-28, 2018. R835950 (2018)
R835950 (2020)
not available
Presentation Riaño-Briceño G, Sela L, Hodges B. Distributed parallel computing for pressurized-flow dynamic simulations. Presented at SciPy 2020, Austin, TX, July 6-12, 2020. R835950 (2020)
not available
Presentation Rowney AC, Sela L, Faust KM, Hodges BR. Research at the National Center for Infrastructure Modeling and Management. Presented at the Defense Innovation Summit, Tampa, Florida, October 3-5, 2017. R835950 (2018)
R835950 (2020)
not available
Presentation A.C. Rowney, and B.R. Hodges, SWMM and EPANET:Fostering a community development strategy, International Conference on Water Management Modeling, Toronto, Canada, March 1-2, 2017. R835950 (2017)
R835950 (2020)
  • Abstract: CHI - Abstract HTML
    Exit
Presentation Rowney AC, Hodges BR. SWMM and EPANET: fostering a community development strategy. Presented at the International Conference on Water Management Modeling, Toronto, Canada, March 1-2, 2017. R835950 (2018)
not available
Presentation Wang S, Taha AF, Sela L, Gatsis N, Giacomoni MH. State estimation in water distribution networks through a new successive linear approximation. Presented at the IEEE 58th Conference on Decision and Control (CDC), Nice, France, December 11-13, 2019. R835950 (2020)
not available
Presentation Tiernan E., and B. Hodges, “A python-based autocalibration routine supporting the stormwater management model,” World Environmental and Water Resources Congress 2018, Minneapolis, Minnesota, USA, Jun. 3-7, 2018. R835950 (2018)
R835950 (2020)
not available
Presentation Hodges BR, Liu F, Rowney AC. A new Saint-Venant solver for SWMM. Presented at the New Trends in Urban Drainage Modeling, 11th International Conference on Urban Drainage Modelling, Palermo, Italy, September 23-26, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Tiernan E, Hodges B. A python-based autocalibration routine supporting the stormwater management model. Presented at the World Environmental and Water Resources Congress 2018, Minneapolis, MN, June 3-7, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Tiernan E, Hodges B. Calibrating the stormwater management model:an automated, genetic approach. Presented at the 51st International Conference on Water Management Modeling (ICWWM), Toronto, Canada, February 28-March 1, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Faure J, Faust KM. Exogenous human-infrastructure interactions: the operational effects of gentrification on water networks. Poster presented at the ASCE EWRI World Environmental & Water Resources Congress, Minneapolis, MN, June 3-7, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Madadi Kandjani E, Sela L, Faust K, Leite F, Hodges BR. Extending the capabilities of EPANET user interface with the optimal design plugin tool. Presented at the Proceedings of the 1st International WDSA/CCWI Joint Conference, Kingston, Canada, July 23-25, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Hodges BR, Rowney AC. Foundations for multi-thread parallel computation in stormwater network models. Presented at the 51st International Conference on Water Management Modeling (ICWWM), Toronto, Canada, February 28-March 1, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Madadi Kandjani E, Sela L, Faust K, Leite F, Hodges BR. Generating residential water demand profiles through EPANET plugin development. Presented at the International Congress on Environmental Modelling and Software (iEMSs 2018), Fort Collins, CO, June 24-28, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Hodges BR, AC Rowney. How can NCIMM help support EPANET?. Presented at the EPANET Summit, Reston, VA, April 3-4, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Zhuang J, Sela L. Network effects of evolving water demand patterns. Presented at the World Environmental and Water Resources Congress, Minneapolis, MN, June 3-7, 2018. R835950 (2019)
R835950 (2020)
not available
Presentation Hodges BR, Madadi Kandjani E. An artificial compressibility method for slow transient modeling in water distribution piping. Presented at the World Environmental and Water Resources Congress, Pittsburgh, PA, May 19-23, 2019. R835950 (2019)
R835950 (2020)
not available
Presentation Tiernan E, Madadi-Kandjani E, Riano-Breceno G, Hodges BR. Network partitioning to address fundamental limitation of explicit, parallelized SWMM5 engine. Presented at the 21st Annual Storm Water Conference, Lower Rio Grande Valley, South Padre Island, TX, May 24, 2019. R835950 (2019)
R835950 (2020)
  • Abstract: Research Gate - Abstract HTML
    Exit
Presentation Hodges BR. New algorithms for stormwater modeling hydraulics. Presented at the International Symposium on Sustainable Urban Drainage, Ningbo, China, October 17-19, 2019. R835950 (2019)
R835950 (2020)
not available
Presentation Hodges BR, Rowney AC, Madadi-Kandjani E. Outline of a new computational engine for SWMM. Presented at the 53rd International Conference on Water Management Modeling, Toronto, Canada, February 26-27, 2019. R835950 (2019)
R835950 (2020)
not available
Presentation Xing L, Sela L. Pressure transient detection and pattern discovery in water distribution systems. Presented at th 2019 ASCE International Conference on Computing in Civil Engineering, Atlanta, GA, June 17-19, 2019. R835950 (2019)
R835950 (2020)
not available
Presentation Hodges, B.R., “New algorithms for stormwater modeling hydraulics,” International Symposium on Sustainable Urban Drainage, Ningbo, China, Oct. 17-19, 2019. R835950 (2020)
not available
Presentation Abofika A, Sela L. Spatial autocorrelation analysis for the identification of pipe failure hotspots in drinking water distribution networks. Presented at the World Environmental and Water Resources Congress, Pittsburgh, PA, May 19-23, 2019. R835950 (2019)
R835950 (2020)
not available
Presentation Abofika A, Sela L. Spatiotemporal scan statistics for the identification of density-based clusters of pipe failure events in drinking water distribution systems. Presented at the 2019 ASCE International Conference on Computing in Civil Engineering, Atlanta, GA, June 17-19, 2019. R835950 (2019)
R835950 (2020)
not available
Presentation Tiernan, E., B. Hodges, "A new partitioning algorithm for optimizing parallelization of flow networks," SciPy 2020, Austin, Texas USA, July 6-12, 2020. R835950 (2020)
not available
Presentation Hodges BR. To the cloud and beyond--a future of integrated continuous simulation. Presented at the 55th International Conference on Water Management Modeling (Keynote Address), Virtual Event, March 2-3, 2022. R835950 (2022)
not available
Presentation Arctur D, Rowney AC. The National Center for Infrastructure Modeling and Management -- data management as a fundamental driver. Presented at OGC TC - Smart Cities, St Johns, Canada, June 29, 2017. R835950 (2017)
R835950 (2020)
not available
Presentation Hodges, B.R., "A new look at some old equations:re-thinking the traditional Saint-Venant solvers for shallow-water flow," Technical seminar, Oak Ridge National Laboratory, Computational Science and Engineering Division, Oak Ridge, Tennessee. Jan. 31, 2020. R835950 (2020)
not available
Presentation Hodges BR, Tiernan E, Sharior S, Riaño-Briceño G, Yu CW, Jenkins E., Brashear C. "New modeling capabilities with the SWMM5+ parallel hydraulic solver. Presented at the12th Urban Drainage Modeling Conference, Costa Mesa, California, USA, Jan. 10-12,2022. R835950 (2022)
not available
Presentation Hodges BR. Challenges and opportunities for AI with physics-based models of river networks and urban flooding. Presented at the AIRES 3:Machine Learning for Robust Digital Twins Workshop, Artificial Intelligence for Robust Engineering & Science Program, U.S. Department of Energy, Oak Ridge National Laboratory, April 26-28, 2022. R835950 (2022)
not available
Presentation Bayer T, Ames DP, Van de Graaff A, Arctur D, Rowney AC, Brashear R, Luypaert M, Hodges BR. Building an open source modeling community for EPANET. Presented at the International Congress on Environmental Modelling and Software (iEMSs 2018), Fort Collins, CO, June 24-28, 2018. R835950 (2018)
R835950 (2019)
R835950 (2020)
not available
Presentation Madadi-Kandjani, E., L. Sela, K. Faust, F. Leite, and B.R. Hodges, “Extending the capabilities of EPANET user interface with the optimal design plugin tool,” 1st International WDSA / CCWI 2018 Joint Conference, Kingston, Ontario, Canada, Jul. 23-25, 2018. R835950 (2018)
R835950 (2020)
not available
Presentation Tiernan E., and B.R. Hodges, “Calibrating the stormwater management model:an automated, genetic approach,” 51st International Conference on Water Management Modeling (ICWWM), Toronto, Canada, Feb. 28 – Mar. 1, 2018. https://www.icwmm.org/2018-C027-24. R835950 (2018)
R835950 (2020)
not available
Presentation Abokifa, A., and L. Sela. “Spatial Autocorrelation Analysis for the Identification of Pipe Failure Hotspots in Drinking Water Distribution Networks.” World Environmental and Water Resources Congress, Pittsburgh, Pennsylvania, USA. May 19-23, 2019. R835950 (2020)
not available
Presentation Abokifa, A., and L. Sela. “Spatiotemporal Scan Statistics for the Identification of Density-Based Clusters of Pipe Failure Events in Drinking Water Distribution Systems.” The 2019 ASCE International Conference on Computing in Civil Engineering, Atlanta, Georgia, USA. June 17-19, 2019. R835950 (2020)
not available
Presentation Hodges BR. Creating stable Saint-Venant models for large river networks. Presented at the Comprehensive Water Risk Management (CWRM) Conference, U.S. Army Corp of Engineers, Engineering Research and Development Center, Vicksburg, Mississippi, USA Aug. 22-23, 2022. R835950 (2022)
not available
Presentation Hodges, B.R., and R.W. Brashear, “Data structure for the new SWMM parallel computational engine,” Technical seminar at Innovyze Inc., Wallingford, UK, Nov., 21-22, 2019. R835950 (2020)
not available
Proceedings Abokifa A, Sela L. Spatiotemporal scan statistics for the identification of density-based clusters of pipe failure events in drinking water distribution systems. In: ASCE International Conference on Computing in Civil Engineering, June 17-19, 2019, Atlanta, GA. Computing in Civil Engineering 2019: Smart Cities, Sustainability, and Resilience 2019;306-313. R835950 (2021)
  • Abstract: ASCE - Abstract HTML
    Exit
Proceedings Hodges B, Liu F, Rowney A. A New Saint-Venant Solver for SWMM In:New Trands in Aurban Drainage Modeling, Palermo, Italy, 23-26 September, 2018, pp. 582-586. NEW TRENDS IN URBAN DRAINAGE MODELLING, UDM 2018 2019;582-586. R835950 (2021)
  • Abstract: Springer - Abstract HTML
    Exit
Proceedings Xing L, Sela L. Pressure Transient Detection and Pattern Discovery in Water Distribution Systems. In:ASCE International Conference on Computing in Civil Engineering, Atlanta, GA, June 17-19, 2019. COMPUTING IN CIVIL ENGINEERING 2019:DATA, SENSING, AND ANALYTICS 2019;59-65. R835950 (2021)
  • Abstract: ASCE - Abstract HTML
    Exit
Proceedings Hodges BR, Vasconcelos JG, Sharior S, Geller VG. Hyperbolic numerical models for unsteady incompressible, surcharged stormwater flows. Proceedings of the 39th IAHR World Congress, pp. 4061-4066, Granada, Spain June 19-24, 2022. R835950 (2022)
  • Other: NSF Public Access Repository - Abstract HTML
Report Hodges BR. PipeAC code and supporting data. Technical Report and Open-access digital data, Texas Data Repository Dataverse, May 2020. R835950 (2020)
  • Other: Texas Data Repository - Report HTML
    Exit
Report Hodges BR, Liu F. Algorithms in the SvePy solver for the unsteady Saint-Venant equations. Austin, TX:University of Texas at Austin, Texas Data Repository Dataverse, V1, July 2019. R835950 (2019)
R835950 (2020)
  • Other: Texas Data Repository - Report HTML
    Exit
Video EPANET on EPANET in a Box at https://youtu.be/D6VPSfFMQvw EPANET on AWS Lightsail (part1) at https://youtu.be/NTs8syyPDa0 EPANET on AWS Lightsail (part 2) at https://youtu.be/ZTyyk6Cq3d8 SWMM in a Box at https://youtu.be/HXrxiycDMmo. R835950 (2020)
not available

Top of Page

The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

Site Navigation

  • Grantee Research Project Results Home
  • Grantee Research Project Results Basic Search
  • Grantee Research Project Results Advanced Search
  • Grantee Research Project Results Fielded Search
  • Publication search
  • EPA Regional Search

Related Information

  • Search Help
  • About our data collection
  • Research Grants
  • P3: Student Design Competition
  • Research Fellowships
  • Small Business Innovation Research (SBIR)
Contact Us to ask a question, provide feedback, or report a problem.
Last updated April 28, 2023
United States Environmental Protection Agency

Discover.

  • Accessibility
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy
  • Privacy and Security Notice

Connect.

  • Data.gov
  • Inspector General
  • Jobs
  • Newsroom
  • Open Government
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions

Follow.