Full-Scale Drinking Water System Decontamination at the Water Security Test Bed

Szabo, Jeffrey; Hall, John; Reese, Stephen; Goodrich, Jim; Panguluri, Sri; Meiners, Greg; Ernst, Hiba

doi:10.5942/jawwa.2017.109.0141

Title: Full-Scale Drinking Water System Decontamination at the Water Security Test Bed

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Abstract

The US Environmental Protection Agency's (USEPA's) Water Security Test Bed (WSTB) facility is a full-scale representation of a drinking water distribution system. In collaboration with the Idaho National Laboratory, USEPA designed the WSTB facility to support full-scale evaluations of water infrastructure, premise plumbing, and appliance decontamination. Thus far, USEPA's research has focused on decontamination of Bacillus globigii (BG) spores, a nonpathogenic surrogate for Bacillus anthracis, and Bakken crude oil. Flushing and disinfection effectively removed 7–8 log₁₀ BG spores from the bulk water, but only 2–3 log₁₀ from the pipe wall coupons. Bakken crude oil components were then removed from distribution pipe and premise plumbing water by flushing, although 55% of the injected oil components persisted in the dishwasher and refrigerator water dispenser. Using the WSTB facility allows USEPA to test contaminants without any human health or ecological risk and to inform water systems on effective methodologies for responding to contamination incidents.

Authors:

Szabo, Jeffrey ^[1]; Hall, John ^[1]; Reese, Stephen ^[2]; Goodrich, Jim ^[1]; Panguluri, Sri ^[3]; Meiners, Greg ^[3]; Ernst, Hiba ^[1]

US Environmental Protection Agency (EPA), Cincinnati, OH (United States)
Idaho National Lab. (INL), Idaho Falls, ID (United States)
CB&I Federal Services LLC, Cincinnati, OH (United States)

Publication Date:: Fri Dec 01 00:00:00 EST 2017

Research Org.:: Idaho National Lab. (INL), Idaho Falls, ID (United States); CB&I Federal Services LLC, Cincinnati, OH (United States)

Sponsoring Org.:: USDOE Office of Nuclear Energy (NE); USEPA Office of Research and Development (ORD) National Homeland Security Research Center (NHSRC)

OSTI Identifier:: 1411733

Report Number(s):: INL/JOU-17-42028
Journal ID: ISSN 1551-8833

Grant/Contract Number:: AC07-05ID14517; DW‐89‐92381801; EP‐C‐14‐012

Resource Type:: Accepted Manuscript

Journal Name:: Journal - American Water Works Association

Additional Journal Information:: Journal Volume: 109; Journal Issue: 12; Journal ID: ISSN 1551-8833

Publisher:: American Water Works Association

Country of Publication:: United States

Language:: English

Subject:: 54 ENVIRONMENTAL SCIENCES; 42 ENGINEERING; Bacillus spores; crude oil; decontamination; security; oil; distribution systems; Idaho; disinfection; contaminants; water contamination; premise plumbing

Citation Formats


                    Szabo, Jeffrey, Hall, John, Reese, Stephen, Goodrich, Jim, Panguluri, Sri, Meiners, Greg, and Ernst, Hiba. Full-Scale Drinking Water System Decontamination at the Water Security Test Bed.  United States: N. p., 2017. 
Web.  doi:10.5942/jawwa.2017.109.0141.

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                    Szabo, Jeffrey, Hall, John, Reese, Stephen, Goodrich, Jim, Panguluri, Sri, Meiners, Greg, & Ernst, Hiba. Full-Scale Drinking Water System Decontamination at the Water Security Test Bed.  United States.  https://doi.org/10.5942/jawwa.2017.109.0141

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                    Szabo, Jeffrey, Hall, John, Reese, Stephen, Goodrich, Jim, Panguluri, Sri, Meiners, Greg, and Ernst, Hiba. Fri .  
"Full-Scale Drinking Water System Decontamination at the Water Security Test Bed".  United States.  https://doi.org/10.5942/jawwa.2017.109.0141.  https://www.osti.gov/servlets/purl/1411733.

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@article{osti_1411733,

  title        = {Full-Scale Drinking Water System Decontamination at the Water Security Test Bed},

  author       = {Szabo, Jeffrey and Hall, John and Reese, Stephen and Goodrich, Jim and Panguluri, Sri and Meiners, Greg and Ernst, Hiba},

  abstractNote = {The US Environmental Protection Agency's (USEPA's) Water Security Test Bed (WSTB) facility is a full-scale representation of a drinking water distribution system. In collaboration with the Idaho National Laboratory, USEPA designed the WSTB facility to support full-scale evaluations of water infrastructure, premise plumbing, and appliance decontamination. Thus far, USEPA's research has focused on decontamination of Bacillus globigii (BG) spores, a nonpathogenic surrogate for Bacillus anthracis, and Bakken crude oil. Flushing and disinfection effectively removed 7–8 log10 BG spores from the bulk water, but only 2–3 log10 from the pipe wall coupons. Bakken crude oil components were then removed from distribution pipe and premise plumbing water by flushing, although 55% of the injected oil components persisted in the dishwasher and refrigerator water dispenser. Using the WSTB facility allows USEPA to test contaminants without any human health or ecological risk and to inform water systems on effective methodologies for responding to contamination incidents.},

  doi          = {10.5942/jawwa.2017.109.0141},

  journal      = {Journal - American Water Works Association},

  number       = 12,

  volume       = 109,

  place        = {United States},

  year         = {Fri Dec 01 00:00:00 EST 2017},

  month        = {Fri Dec 01 00:00:00 EST 2017}

}

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