Publications

Peer Reviewed Archived Journal Papers

  • Darby, J. and Lawler, D., “Ripening in Depth Filtration: Effect of Particle Size on Removal and Head Loss”, Environmental Science and Technology, V24, 1069-1079, 1990.
  • Darby, J., Lawler, D., Wilshusen, T., “Depth Filtration of Wastewater: Particle Size and Ripening”, Research Journal of the Water Pollution Control Federation, V63, 228-238, 1991.
  • Darby, J., Attanasio, R., Lawler, D., “Filtration of Heterodisperse Suspensions: Modeling of Particle Removal and Headloss”, Water Research, V26, 711-726, 1992.
  • Darby, J., “Undergraduate Engineering: Some Problems Faced by Women Students”, Water Resources Update, Universities Council on Water Resources, N89, 3-7, 1992.
  • Williams, M and Darby, J. “Measuring Ozone by Indigo Method: Interference of Suspended Material”, ASCE Journal of Environmental Engineering, V118, 988-993, 1992.
  • Darby, J., Snider,K., and Tchobanoglous, G., “UV Disinfection for Wastewater Reclamation and Reuse Subject to Restrictive Standards”, Water Environment Research, V65, 169-180, 1993.
  • Allen, J. and Darby, J., “Quality Control of Bottled and Vended Water in California: A Review and Comparison to Tap Water”, Journal of Environmental Health, V56, N8, 17-22, 1994.
  • England, S., Darby, J., Tchobanoglous, G., “Continuous-Backwash Upflow Filtration for Primary Effluent”, Water Environment Research, V66, 145-152, 1994.
  • Lindenauer, K. and Darby, J., “Ultraviolet Light Disinfection of Wastewater: Effect of Dose on Subsequent Photoreactivation”, Water Research, V28, 805-817, 1994.
  • Darby, J., Chang, D., Coggin, P., Chung, H., Dasqupta, P., “Automated Measurement of Aqueous Ozone Concentration”, Process Control and Quality, V6, 229-243, 1994.
  • Henes, R., Bland, M., Darby, J., McDonald, K., “Improving the Academic Environment for Women Engineering Students through Faculty Workshops”, J. of Engr. Educ., V84, 59 – 67, 1995.
  • Hoyle, B., Scow, K., Fogg, G., and Darby, J., “Effect of Carbon:Nitrogen Ratio on Kinetics of Phenol Biodegradation by Acinetobacter johnsonii in Saturated Sand”, Biodegradation, V6, 283-293, 1995.
  • Parker, J. and Darby, J., “Particle-Associated Coliform in Secondary Effluents: Shielding from Ultraviolet Light Disinfection”, Water Environment Research, V67, 1065-1075, 1995.
  • Darby, J., Tchobanoglous, G., Asri Nor, M., Maciolek, D., “Shallow Intermittent Sand Filtration: Performance Evaluation”, Small Flows Journal, V2, 3-15, 1996.
  • Braunstein, J., Loge, F., Tchobanoglous, G., Darby, J., “Ultraviolet Disinfection of Filtered Activated Sludge Effluent for Reuse Applications”, Water Environment Research., V68, 152-161, 1996.
  • Loge, F., Emerick, R., Heath, M., Jacangelo, J., Tchobanoglous, G., Darby, J., “Ultraviolet Disinfection of Secondary Wastewater Effluents: Prediction of Performance and Design”, Water Environment Research, V68, 900-916, 1996.
  • Loge, F., Darby, J., Tchobanoglous, G., “UV Disinfection of Wastewater: A Probabilistic Approach to Design”, J. of Environmental Engineering, ASCE, V122, 1078-1084, 1996.
  • Tchobanoglous, G., Loge, F., Darby, J., DeVries, M., “UV Design: Comparison of Probabilistic and Deterministic Design Approaches”, Water Science & Technology, V33, 251-260, 1996.
  • Poxon, T. and Darby, J., “Extracellular Polyanions in Digested Sludge: Measurement and Relationship to Sludge Dewaterability”, Water Research, V31, 749-758, 1997.
  • Emerick, R., Test, R., Tchobanologlous, G., Darby, J., “Shallow Intermittent Sand Filtration: Microorganism Removal”, J of Small Flows, V3, 12-22, 1997.
  • Linden, K. and Darby, J., “Estimating Effective Germicidal Dose from Medium Pressure UV Lamps”, ASCE J. of Environmental Engineering, V123, N11, 1142-1149, 1997.
  • Linden, K. and Darby, J., “UV Disinfection of Marginal Effluents: Determining UV Absorbance and Subsequent Estimation of UV Intensity”, Water Environment Research., V70, 214-223, 1998.
  • Loge, F., Emerick, R., Thompson, D., Nelson, D., Darby, J., “Development and Application of a Fluorescent 16S rRNA Oligonucleotide Probe Specific to the Family Enterobacteriaceae”, Water Environment Research, V71, 75-83, 1999.
  • Emerick, R., Manning, J., Tchobanoglous, G., Darby, J., “Impact of Bacteria and Dosing Frequency on the Removal of Virus within Intermittently Dosed Biological Filters”, J of Small Flows, V1, 36-41, 1999.
  • Loge, F., Emerick, R., Thompson, D., Nelson, D., Darby, J., “Factors Influencing UV Disinfection Performance – Part 1: Light Penetration into Wastewater Particles”, Water Environment Research, V71, 377-381, 1999.
  • Emerick, R., Loge, F., Thompson, D., Darby, J., “Factors Influencing UV Disinfection Performance – Part 2: Association of Coliform Bacteria with Wastewater Particles”, Water Environment Research, V71, 1178-1187, 1999.
  • Emerick, R., Loge, F., Ginn, T., Darby, J., “Modeling the Inactivation of Particle-Associated Coliform”, Water Environment Research, V72, 432-438, 2000
  • Giese, N, Darby, J., “Sensitivity of Microorganisms to Different Wavelengths of UVLight: Implications on Modeling of Medium Pressure UV Systems”, Water Research, V34, 4007-4013, 2000.
  • Bourgeous, K., Tchobanoglous, G., Darby, J., “Ultrafiltration of Wastewater: Effects of Particles, Mode of Operation and Backwash Effectiveness”, Water Research, V35, 77-90, 2001.
  • Darby, J., Tchobanoglous, G., “Providing Reliable Supply of Safe Drinking Water Poses Challenges”, California Agriculture, Future in Focus: 2000-2025″, V25, 69-77, 2000.
  • Loge, F., Bourgeous, K., Emerick, R., Darby, J., “Variations in the Wastewater Quality Parameters Influencing UV Disinfection Performance: Relative Impact of Filtration”, ASCE J of Environmental Engineering, V127, 832-837, 2001.
  • Leverenz, H., Ruppe, L., Tchobanoglous, G., Darby, J., “Evaluation of High-Porosity Medium in Intermittently Dosed, Multi-Pass Packed Bed Filters for the Treatment of Wastewater”, J of Small Flows, V2, 28-35, 2001.
  • Nelson, K., Darby, J., “Inactivation of Viable Ascaris Eggs by Reagents during Enumeration”, Applied and Environmental Microbiology, V67, 5453-5459, 2001.
  • Loge, F., Emerick, R., Ginn, T., Darby, J., “Association of Coliform Bacteria with Wastewater Particles: Impact of Operational Parameters of the Activated Sludge Process”, Water Research, V36, 41-48, 2002.
  • Nelson, K.L., Darby, J.L., “Determination of the Inactivation Rate of Ascaris Eggs in Wastewater Stabilization Pond Sludge Using Dialysis Chambers and Sludge Cores”, Water Environment Research, V74, 362-369, 2002.
  • Tsuchihashi, R., Loge, F., Darby, J., “Detection of Cryptosporidium Parvum Oocysts in Secondary Effluents Using a MPN/PCR Assay”, Water Environment Research, V75, 292-299, 2003.
  • Bourgeous, K., Riess, J., Tchobanoglous, G., Darby, J., “Performance Evaluation of a Cloth Media Disk Filter for Wastewater Reclamation”, Water Environment Research, V75, 532-538, 2003.
  • Nelson, K.L., Cisneros, B.J., Tchobanoglous, G., Darby, J., ” Sludge Accumulation, Characteristics, and Pathogen Inactivation in Four Primary Mexican Wastewater Stabilization Ponds”, Water Research,V38, 111-127, 2004.
  • Pozos, N., Scow, K., Wuertz, S., Darby, J., “UV Disinfection in a Model Distribution System: Biofilm Growth and Microbial Community”, Water Research, V38, 3083-3091, 2004.
  • Tchobanoglous, G., Ruppe, L., Leverenz, H., Darby, J., “Decentralized Wastewater Management: Challenges and Opportunities for the Twenty-First Century”, Water Sci. & Tech.: Water Supply, V4, 95-102, 2004.
  • Trejo, J., Bachand, P., Darby, J., “Treatment of Urban Runoff at Lake Tahoe: Low Intensity Chemical Dosing”, Water Environment Research, V78, 2006.
  • Tooker, N., Darby, J., “Cloth Media Filtration and Membrane Microfiltration: Serial Operation”, Water Environment Research, V79, 125-130, 2007.
  • Virgadamo, O., Johnson, L., Darby, J., “Evaluation of Anti-Microbial Coating for Cloth Media Filtration: A Case Study”, ASCE J of Environmental Engineering, V133, 117-120, 2007.
  • Leverenz H., Darby, J., Tchobanoglous, G., “Comparison of a Commercially Available Chlorine and an Ultraviolet Disinfection Unit for Onsite Wastewater Systems”, J of Small Flows, V8, 11-21, 2007.
  • Liu, H.Y., Hall, P., Darby, J., Coats, E., Green, P., Thompson, D., Loge, F., “Production of Poly(hydroxyalkanoate) During Treatment of Tomato Cannery Wastewater”, Water Environment Research, V80, 367- 372, 2008.
  • Leverenz, H., Tchobanoglous, G., Darby, J. “Clogging in Intermittently Dosed Sand Filters Used for Wastewater Treatment”, Water Research, V43, 695-705, 2009.
  • Dietrich, J.P., Darby, J.L., Loge, F.J. “Potential Health Risks Associated with Particles in Reclaimed Wastewater”, ASCE J of Environmental Engineering, V135, 285-290, 2009.
  • Tiwari, S., Schmidt, W., Darby, J., Kariuki, Z., Jenkins, M. “Intermittent Slow Sand Filtration for Preventing Diarrhoea Among Children in Kenyan Households Using Unimproved Water Sources: A Randomized Controlled Trial”, Tropical Medicine and International Health, V14, 1374-1382, 2009.
  • Kanematsu, M., Young, T, Fukushi, K., Green, P., Darby, J., “Extended Triple Layer Modeling of Arsenate and Phosphate Adsorption on A Goethite-based Granular Porous Adsorbent”, Environmental Science & Technology, V44, 3388-3394, 2010.
  • Camarillo, M.K., Loge, F., Darby, J., “A Model to Quantify Removal and Inactivation of Microorganisms Occluded in Effluent Wastewater Particles Using Filtration and Disinfection Systems”, ASCE J of Environmental Engineering, V136, 1153-1160, 2010.
  • Chen, W-H., Erker, B., Kanematsu, M., Darby, J. “Disposal of Arsenic Laden Adsorptive Media: An Economic Analysis for California”, ASCE J of Environmental Engineering, V136, 1082-1088, 2010.
  • Leverenz, H., Haunschild, K., Hopes, G., Tchobanoglous, G., Darby, J., “Anoxic Treatment Wetlands for Denitrification”, Ecological Engineering, V36, 1544-1551, 2010.
  • Liu, H.Y., VanderGheynst, J., Darby, J., Thompson, D., Green, P., Loge, F., “Factorial Experimental Designs for Enhancement of Concurrent Poly(hydroxyalkanoate) Production and Brewery Wastewater Treatment”, Water Environment Research, V83, 36-43, 2011.
  • Hilkert, E., Young, T., Green, P., Darby, J. “Costs of Arsenic Treatment for Potable Water in California and Comparison with USEPA Affordability Metrics”, J of American Water Resources Association, V46, 1238-1254, 2010.
  • Camarillo, M.K., Loge, F., Ginn, T., Hakan, B., Foglia, L., Darby, J., “Modeling the Inactivation of Microorganisms Occluded in Effluent Wastewater Particles to Enhance Operation of Filtration and Disinfection Systems”, Water Environment Research, V83, 313-325, 2011.
  • Kanematsu, M., Young, T, Fukushi, K., Sverjensky, D., Green, P., Darby, J., “Quantification of the Effects of Organic and Carbonate Buffers on Arsenate and Phosphate Adsorption on a Goethite-Based Granular Porous Adsorbent”, Environmental Science & Technology, V45, 561-568, 2011.
  • Coats, E., R., VandeVoort, K. E., Darby, J. L., Loge, F.J., “Toward Polyhydroxyalkanoate Production Concurrent with Municipal Wastewater Treatment in a Sequencing Batch Reactor System”, ASCE J of Environmental Engineering, V137, 46-54, 2011.
  • Diaz, L., Cappa, C., Leverenz, H., Tchobanoglous, G., Darby, J., “Evaluation of GHG Emissions from Septic Systems”, Environmental Science & Technology, V45, 2741-2747, 2011.
  • Nyugen, V., Chen, W., Young, T., Darby, J., “Effect of Interferences on the Breakthrough of Arsenic: Rapid Small Scale Column Tests”, Water Research, V45, 4069-4080.
  • Jenkins, M.W., Tiwari, S.K., Darby, J., “Bacterial, viral and turbidity removal by intermittent slow sand filtration for household use in developing countries: Experimental investigation and modeling”, Water Research, V45, 6227-6239, 2011.
  • Seidel, C., Gorman, C., Darby, J., and Jensen, V. “An Assessment of the State of Nitrate Treatment Alternatives” Prepared for AWWA by Jacobs Engineering Group and University of California, Davis. Available via: http://www.awwa.org/files/Resources/TECProjects/TECReportNitratesFINALRevised07272011.pdf
  • Harter, T., et al., UC Davis Report for the State Water Resources Control Board (SWRCB) SBX2 1 Report to the Legislature: Addressing Nitrate in California’s Drinking Water. Released April 2012. The full report can be found at http://groundwaternitrate.ucdavis.edu/
  • Kanematsu, M., Young, T, Fukushi, K., Sverjensky, D., Green, P., Darby, J., “Individual and combined effects of water quality and empty bed contact time on As(V) removal by a fixed-bed iron oxide adsorber: Implication for silicate precoating”, Water Research, V46, 5061-5070, 2012.
  • Green, P., Laybourne, S., Darby, J. “Analysis of the Effects of Storage Conditions on Chromium (III) and Chromium (VI) in Two Potable Water Samples”, ASCE J Environmental Engineering, V139, 302-306, 2013.
  • Kanematsu, M., Young, T, Fukushi, K., Sverjensky, D., Green, P., Darby, J., “Arsenic(III, V) adsorption on a goethite-based adsorbent in the presence of major co-existing ions: Modeling competitive adsorption consistent with spectroscopic and molecular evidence”, Geochimica et Cosmochimica Acta, V106, 404-428, 2013
  • Jensen, V., Darby, J., Seidel, C., Gorman, C., “Nitrate in Potable Water Supplies:  Alternative Management Strategies”, Critical Reviews in Environmental Science & Technology, V44, 2203-2286, 2014.
  • Jensen, V. and Darby, J., “Brine Disposal Options for Small Systems in California’s Central Valley”, JAWWA, V8, N5, E276-289, May, 2016 (winner of the 2017AWWA Small Systems Division Best Paper Award.
  • Xue, L., Green, P., Seidel, C., Gorman, C., Darby, J., “Chromium Removal from Strong Base Anion Exchange Waste Brines “, JAWWA, V108, N4, E247-255 April 2016.
  • Xue, L., Green, P., Seidel, C., Gorman, C., Darby, J., “Meeting California’s Hexavalent Chromium MCL of 10 µg/L Using Strong Base Anion Exchange Resin” JAWWA, V108, N9, September 2016
  • Henrie, T., Porter, K., Darby, J., “Can Water Be Safe and Affordable?”, Source, 16-17, Winter, 2019
  • Jensen, V, Henrie, T, Darby, J. “Proposition 50 Chapter 6b, Consolidated Management of Nitrate Treatment: Affordability Assessment”, Report for the California Dept of Water Resources, Sept. 2019. https://affordabledrinkingwater.ucdavis.edu/sites/g/files/dgvnsk3666/files/inline-files/UCD-Prop50-Affordability-Assessment_Sep-2019.pdf
  • Jensen, V, Henrie, T, Clements, J., Darby, J., Cline, S. Article ID: AWS21209, DOI: 10.1002/aws2.1209, “An Affordability Assessment of Consolidated Management of Nitrate Treatment”,
    Journal AWWA Water Science, in press October 2020

Comments are closed.