Hudak, P. F. (2005). Hydrogeology and plant survival in excavated depressions near an earthen dam in north-central Texas.
Hudak, P. F. (2004). Oil production and groundwater quality in the Edwards-Trinity Plateau Aquifer, Texas, USA.
Maxey, G., Hudak, P. F., Maxey, S. (2003). Lightning, downed power line form intriguing rock structure in Denton, Texas. Geological Society of America, Cordilleran Section.
Thapinta, A., Hudak, P. F. (2003). Use of geographic information systems for assessing groundwater pollution potential by pesticides in central Thailand.
Hudak, P. F. (2002). Arsenic, nitrate, chloride, and bromide contamination in the southeast Gulf Coast Aquifer, Texas.
Hudak, P. F. (2002). Oil production, agriculture, and groundwater quality in the southeast Gulf Coast Aquifer, Texas.
Hudak, P. F. (2001). Effects of compost on loblolly pine tree growth in northeast Texas, USA.
Hudak, P. F. (2001). Post impoundment investigation of gravity-driven irrigation ponds in central Bolivia.
Hudak, P. F. (2000). Distribution and sources of arsenic in the Southern High Plains Aquifer, Texas, USA.
Hudak, P. F. (1999). Geophysical prospecting for oilfield brine in the Trinity River watershed.
Hudak, P. F. (1999). Nitrate and chloride concentrations in the High Plains aquifer.
Hudak, P. F. (1999). Regional trends in nitrate content of Texas groundwater.
Hudak, P. F. (1999). Spatial patterns of residential foundation damage in Denton, TX.
Hudak, P. F. (1998). Efficiency of alternative injection schemes for remediating benzene-contaminated groundwater.
Stuckey, H. T., Hudak, P. F. (1998). Methods to enhance compost practices as an alternative to waste disposal. Other. 1-7.
Hudak, P. F. (1998). Underground pipe breaks in expansive soils of north-central Texas.
Hudak, P. F. (1997). Groundwater monitoring strategies for variable versus continuous contaminant loading functions.
Hudak, P. F. (1997). Land use and groundwater quality in the Trinity Aquifer of north-central Texas.
Hudak, P. F. (1997). Potential sources of contamination to the Trinity Aquifer: A spatial analysis. Other. 20, 143-147.
Hudak, P. F. (1996). Comparison of remediation methods in different hydrogeologic settings using BIOPLUME II.
Hudak, P. F. (1996). Designing compliance monitoring networks in layered aquifers with nonuniform flow.
Hudak, P. F. (1996). Designing three-dimensional groundwater monitoring networks with capability for vertical profiling: A Texas case study. Other. 19, 7-13.
Hudak, P. F. (1996). Utilizing geographic information systems to mitigate pollution from underground storage tanks.
Hudak, P. F. (1995). Algorithms for designing stationary sprinkler systems.
Hudak, P. F. (1995). Developing a hydrological management model for a marshy wetland near Lake Lewisville, Texas.
Hudak, P. F. (1995). Effects of using capture zone overlays to predict removal of groundwater contaminants.
Hudak, P. F. (1995). Numerical modeling of hydrologic management alternatives for a nascent wetland in north central Texas.
Hudak, P. F. (1995). Optimizing residential sprinkler systems. Other. 225-232.
Hudak, P. F., Langley, W. (1995). Proximity of streams to landfills in north-central Texas.
Hudak, P. F. (1995). Tracing groundwater pollution with GIS.
Hudak, P. F. (1994). Establishing compliance-based groundwater monitoring networks near landfills.
Hudak, P. F. (1994). Time-constrained recovery of contaminated groundwater.
Hudak, P. F. (1993). A method for monitoring groundwater quality near waste storage facilities.
Hudak, P. F. (1993). Application of geographical techniques to groundwater monitoring network design.
Hudak, P. F. (1993). Application of location modeling and numerical particle tracking to groundwater contaminant plume extraction.
Hudak, P. F. (1993). Impact of aquifer base definition on pumping test hydraulic conductivity estimates. Other. 236-240.
Hudak, P. F. (1992). An optimization method for efficient extraction of a groundwater contaminant plume.
Hudak, P. F. (1992). Optimization methods for monitoring network design in multi-layered ground water flow systems.
Hudak, P. F. (1992). Short-term contaminant concentration fluctuations in groundwater: Implications for predictive modeling.
Hudak, P. F. (1991). Analytical methods for regional-scale ground water monitoring network design and numerical verification.
Loaiciga, H. A., Leipnik, R., Marino, M. A., Hudak, P. F. (1991). Stochastic ground water analysis in the presence of trends in heterogeneous hydraulic conductivity fields.
Hudak, P. F. (1989). An approach for groundwater plume delineation. Other. 410-415.
Hudak, P. F. (1988). Conjunctive use of ground water flow and mass transport models in simulation of contaminant migration, Butler County Landfill, Ohio.
Hudak, P. F. (1988). Contaminant transport simulation and parameter estimation in a flood plain aquifer in southwest Ohio.
Hudak, P. F. (1988). Water storage reliability assessment and post optimality analysis of operational policies.
Hudak, P. F. (1986). Strained crinoid ossicles and decollement tectonics in the Appalachian Plateau of northwestern Pennsylvania.
Hudak, P. F. (2005). Principles of Hydrogeology, 3/e. CRC Press.
Hudak, P. F. (2000). Principles of Hydrogeology, 2/e. CRC Press.
Hudak, P. F. (1998). Principles of Hydrogeology, 1/e.
Lyons, D. L., Hudak, P. F. (1997). Geographical Perspectives on the Texas Region.
Hudak, P. F. (1995). Introductory Lessons and Exercises in Applied Hydrogeology.
Loaiciga, H. A., Hudak, P. F. (2008). Storativity and specific yield. Encyclopedia of Water Science, 2/e.
Hudak, P. F. (2005). Mass transport in saturated media. Water Encyclopedia: Ground Water.
Hudak, P. F. (2004). Well pattern, setback, and flow rate considerations for groundwater monitoring networks at landfills. Environmental Monitoring.
Hudak, P. F. (2003). Groundwater levels, measuring. Encyclopedia of Water Science.
Loaiciga, H. A., Hudak, P. F., Minsker, B. (2003). Methods for optimizing long-term monitoring designs. Long-Term Groundwater Monitoring: The State of the Art.
Hudak, P. F. (2003). Monitoring groundwater beneath a solid waste landfill in Tarrant County, Texas. Long-Term Groundwater Monitoring: The State of the Art.
Loaiciga, H. A., Hudak, P. F. (2003). Storativity and specific yield. Encyclopedia of Water Science.
Hudak, P. F. (1997). Groundwater resources of the upper Trinity River basin. Geographical Perspectives on the Texas Region.
Hudak, P. F. (2005). Exploring Sustainable Development: Geographical Perspectives. M. Purvis and A. Grainger (eds.). Sustainable Communities Review.
Hudak, P. F. (2005). Wetland and Riparian Areas of the Intermountain West: Ecology and Management. M. C. McKinstry, W. A. Hubert, and S. H. Anderson (eds.). Sustainable Communities Review.
Hudak, P. F. (2001). Environmental Challenges . S. Belkin and S. Gabbay (eds.). Journal of the American Water Resources Association.
Hudak, P. F. (2001). People and Forests. C. C. Gibson, M. A. McKean, and E. Ostrom (eds.). Sustainable Communities Review.
Hudak, P. F. (1996). Analytic Element Modeling of Groundwater Flow. H. M. Haitjema. Water Resources Bulletin.
Hudak, P. F. (1996). Geology and Hazardous Waste Management. S. E. Hasan. Water Resources Bulletin.
Hudak, P. F. (1995). Alternatives for Ground Water Cleanup. National Research Council on Ground Water Cleanup Alternatives. Eos.
Hudak, P. F. (1991). Analytical methods for regional-scale groundwater monitoring network design and numerical verification. University of California, Santa Barbara.
Hudak, P. F. (2022). Long-term trends of fine particulate matter in the Dallas-Fort Worth metropolitan area. Other. 85(2), 8-16.
Hudak, P. F. (2022). Long-term tropospheric ozone concentrations and associated meteorological and emissions variables at a suburban monitoring station in Dallas-Fort Worth, Texas. Environmental Quality Management. 85(2), 8-16.
Hudak, P. F. (2022). Reactive well and slurry plug arrays for groundwater remediation. Waste Advantage. 13(1), 40-43.
Hudak, P. F. (2022). Warm air leads to hazardous ground temperatures when walking dogs in built and natural environments. Other. 12, 31-42.
Proctor, J., Hudak, P. F., Dick, G. O., Herrington, R. (2022). Waterbirds in constructed suburban wetlands, eastern Denton County, Texas, USA. International Journal of Environmental Studies. 79(4), 714-723.
Hudak, P. F. (2021). Aquifer recharge rates can affect landfill leachate plume migration rates. Environmental Science & Engineering. 34(5), 42-43.
Hudak, P. F. (2021). Effect of distance to orthogonal buffer zone boundary on contaminant detection well layout at solid waste impoundment. Journal of Solid Waste Technology and Management. 47(1), 131-136.
Hudak, P. F. (2021). Selenium, boron, and nitrate concentrations in groundwater of the southern Ogallala Aquifer, Texas, USA. Journal of Water and Environmental Sciences. 5(1), 603-615.
Hudak, P. F. (2021). Uranium concentrations and chemical associations in the southern Gulf Coast Aquifer, Texas. International Journal of Environmental Studies. 78(3), 398-409.
Yesildirek, M. V., Hudak, P. F. (2021). Visualizing riparian ecotone fragmentation in urbanizing watersheds: A case study of upper Hickory Creek, north-central Texas. Environmental Quality Management. 30(3), 37-41.
Hudak, P. F. (2020). Low-energy extraction wells for removing contaminant plumes originating from lined landfills. Environmental Science & Engineering. 33(5), 40-44.
Hudak, P. F. (2020). Natural attenuation and low-energy, recirculating well pairs as options for mitigating leachate releases from contemporary landfills. Waste Advantage. 11(9), 54-57.
Hudak, P. F. (2020). Study results: Controlling Chinese privet in lawns. Turf. (May 4), 1-4.
Hudak, P. F. (2019). Applicability of paired extraction and injection wells for detecting contaminants released from landfills. Journal of Solid Waste Technology and Management. 45(3), 363-368.
Hudak, P. F. (2019). Effects of leakage rate and liner seam orientation on detection monitoring configurations at waste impoundments. Environmental Practice. 21(3), 108-112.
Hudak, P. F. (2019). Spatial distribution of boron concentrations in the Edwards-Trinity Plateau Aquifer, southwest Texas, USA. The Professional Geologist. 56(2), 56-61.
Hudak, P. F. (2019). Sustainable three-well pumping strategy for efficient detection monitoring near waste impoundments. Environmental Quality Management. 28, 63-66.
Hudak, P. F. (2018). Associations between dissolved uranium, nitrate, calcium, alkalinity, iron, and manganese concentrations in the Edwards-Trinity Plateau Aquifer, Texas, USA. Other. 5(2), 441-450.
Hudak, P. F. (2018). Evaluating the effectiveness of pumping well configurations for groundwater remediation. Other. 31(1), 40-43.
Hudak, P. F. (2018). Groundwater monitoring of landfill leachate. Other. 16, 48.
Hudak, P. F. (2018). Nitrate concentration patterns over space and time in a regionally sloping sedimentary aquifer, Texas, USA. Bulletin of Environmental Contamination and Toxicology. 100(3), 416-420.
Hudak, P. F. (2018). Remediating contaminant plumes in groundwater with shallow excavations containing coarse reactive media. Environmental Management. 61(2), 304-309.
Hudak, P. F. (2018). Spatial and temporal trends of nitrate, chloride, and bromide concentration in an alluvial aquifer, north-central Texas, USA. Environmental Quality Management. 27(4), 79-86.
Hudak, P. F. (2018). Variable-component, energy-efficient technology for groundwater remediation. Environmental Practice. 20(1), 1-7.
Hildenbrand, Z. L., Carlton, D. D., Meik, J. M., Taylor, J. T., Fontenot, B. E., Walton, J. L., Henderson, D., Thacker, J. B., Korlie, S., Whyte, C. J., Hudak, P. F., Schug, K. A. (2017). A reconnaissance analysis of groundwater quality in the Eagle Ford shale region reveals two distinct bromide/chloride populations. Science of the Total Environment. 575, 672-680.
Hudak, P. F. (2017). Large-diameter, non-pumped wells filled with reactive media for groundwater remediation. Environmental Earth Sciences. 76(19), 1-4.
Hudak, P. F. (2017). Locating low-energy extraction wells to remove contaminated groundwater in heterogeneous aquifers. Other. August/September, 24-26.
Hudak, P. F. (2017). Non-pumped wells in backfilled trenches versus permeable reactive barriers for containing and treating contaminated groundwater. Environmental Practice. 23(6), 42-47.
Hudak, P. F. (2017). Relative efficiency of single and multiple low-capacity wells for containing and removing contaminant plumes in groundwater. Journal of Solid Waste Technology and Management. 43(1), 1-6.
Barnett et al., J., Hudak, P. F. (2017). Removing Chinese privet (Ligustrum sinense Lour.) and establishing native plants in a flooded riparian corridor, north-central Texas, USA. Environmental Quality Management. 26(2), 121-129.
Hudak, P. F. (2016). Effect of hydraulic conductivity contrast on non-pumped wells in backfilled trenches for aquifer remediation. Water, Air, & Soil Pollution. 227(7), 1-7.
Hudak, P. F. (2016). Evaluation of non-pumped wells with slurry cutoff walls for containing and removing contaminated groundwater. Environmental Earth Sciences. 75(1), 1-5.
Shrestha, M., Hudak, P. F. (2016). Exceedance frequency analysis of contaminants in streams under dry-weather conditions, Denton, Texas. Bulletin of Environmental Contamination and Toxicology. 96, 254-258.
Beck, W., Hudak, P. F. (2016). Low-cost pond coring platform: Design and application to sedimentation and arsenic accumulation in north-central Texas. Other. 23(6), 42-47.
Strong, P., Hudak, P. F. (2016). Nitrogen and phosphorus removal in a rain garden flooded with wastewater and simulated storm water. Environmental Quality Management. 25(2), 63-69.
Meik, J. M., Fontenot, B. E., Hildenbrand, Z. L., Carlton, D. D., Walton, J. L., Taylor, J. T., Thacker, J. B., Korlie, S., Shelor, C. P., Henderson, D. J., Kadjo, A. F., Roelke, C. E., Hudak, P. F., Burton, T., Rifai, H. S., Schug, K. A. (2016). Response to comment on “A comprehensive analysis of groundwater quality in the Barnett Shale region”. Environmental Science & Technology. 50(1), 498-499.
Hudak, P. F. (2016). Solute distribution in the Ogallala Aquifer, Texas: Lithium, fluoride, nitrate, chloride and bromide. Carbonates and Evaporites. 31(4), 437-448.
Hildenbrand, Z. L., Carlton, D. D., Fontenot, B. E., Meik, J. M., Walton, J. L., Thacker, J. B., Korlie, S., Shelor, C. P., Kadjo, A. F., Clark, A., Usenko, S., Hamilton, J. S., Mach, P. M., Verbeck, G. F., Hudak, P. F., Schug, K. A. (2016). Temporal variation in groundwater quality in the Permian Basin of Texas, a region of increasing unconventional oil and gas development. Science of the Total Environment. 562, 906-913.
Hildenbrand, Z. L., Carlton, D. D., Fontenot, B. E., Meik, J. M., Walton, J., Taylor, J. T., Thacker, J. B., Korlie, S., Shelor, C. P., Henderson, D. J., Kadjo, A. F., Roelke, C. E., Hudak, P. F., Burton, T., Rifai, H. S., Schug, K. A. (2015). A comprehensive analysis of groundwater quality in the Barnett Shale region. Environmental Science & Technology. 49, 8254-8262.
Hudak, P. F. (2015). Low-capacity well pairs for treating contaminated groundwater in homogeneous and heterogeneous environments. Remediation Journal. 25(2), 43-53.
Hudak, P. F. (2015). Low-energy alternatives for removing contaminant plumes in groundwater. The Professional Geologist. 52(4), 23-26.
Hudak, P. F. (2014). Comparison of permeable reactive barrier, funnel and gate, non-pumped wells, and low-capacity wells for groundwater remediation. Journal of Environmental Science and Health. 49(10), 1171-1175.
Hudak, P. F. (2014). Inundation patterns and plant growth in constructed wetland characterized by dynamic water budget model. Environmental Earth Sciences.
Hudak, P. F. (2014). Spatial pattern of ground-level ozone concentration in Dallas-Fort Worth metropolitan area. International Journal of Environmental Research. 8(4), 897-902.
Hudak, P. F. (2014). Tracking source-controlled, evolving plumes undergoing natural attenuation in heterogeneous aquifers. Journal of Solid Waste Technology and Management. 40(2), 148-151.
Hudak, P. F. (2013). Effect of slurry cutoff walls on natural attenuation of contaminant plumes in homogeneous and heterogeneous aquifers. Environmental Pollution Control Journal. 16(4), 22-25.
Williams, P., Dick, G., Hudak, P. F. (2013). Evaluation of common carp (Cyprinus carpio) exclusion and trapping devices for protecting aquatic plant founder colonies. Environmental Pollution Control Journal. 16(4), 22-25.
Hudak, P. F. (2013). Remediating contaminated groundwater with low-capacity injection and non-pumped wells. Remediation Journal. 23(4), 71-76.
Hudak, P. F. (2013). Shallow, non-pumped wells: A low-energy alternative for cleaning polluted groundwater. Bulletin of Environmental Contamination and Toxicology. 91(1), 107-110.
Hudak, P. F. (2012). Effect of aquifer heterogeneity on non-pumped, reactive well networks for removing pollutants in groundwater. Bulletin of Environmental Contamination and Toxicology. 88(6), 997-1000.
Hudak, P. F. (2012). Natural attenuation with varying degrees of aquifer heterogeneity: Implications for groundwater monitoring. Remediation Journal. 22(4), 93-98.
Hudak, P. F. (2012). Nitrate and chloride concentrations in groundwater beneath a portion of the Trinity Group outcrop zone, Texas. International Journal of Environmental Research. 6(3), 663-668.
Hudak, P. F. (2012). Relative efficiency of multi-transect, non-pumped, reactive well networks for removing contaminated groundwater. Journal of Environmental Science and Health. 47(13), 2159-2162.
Hudak, P. F. (2011). Assessment of multi-gate interceptors equipped with baffles in contaminated aquifers. Bulletin of Environmental Contamination and Toxicology. 87(1), 96-100.
Hudak, P. F. (2011). Designing funnel-and-gate groundwater remediation systems near property corners. Remediation Journal. 21(4), 119-126.
Hudak, P. F. (2011). Modeling investigation of permeable reactive barriers in anisotropic aquifers. Environmental Pollution Control Journal. 14(4), 17-20.
Hudak, P. F. (2011). Monitoring contaminated groundwater enclosed in slurry walls. Environmental Pollution Control Journal. 14(6), 22-27.
Graham, T., Hudak, P. F. (2011). Potential hazards of wind energy for rare, threatened, and endangered birds and bats in Texas. International Journal of Environmental Research. 5(4), 917-922.
Hudak, P. F. (2011). Spatial distribution of solutes in aquifer outcrop zones along the Brazos River, east-central Texas. International Journal of Environmental Research. 5(3), 595-602.
Hudak, P. F. (2010). Detecting contaminants in groundwater: Strategies for incorporating cutoff walls. Journal of Solid Waste Technology and Management. 36(4), 240-245.
Hudak, P. F. (2010). Efficacy of dilution barriers for remediating contaminated aquifers. Environmental Pollution Control Journal. 13(3), 24-28.
Enwright, N., Hudak, P. F., Hatley, D. (2010). Estimating inundation patterns in detention wetlands: Methodology and application to north-central Texas. International Journal of Environmental Studies. 68(1), 61-71.
Hudak, P. F. (2010). Funnel-and-gate remediation systems augmented with passive filter wells. Journal of Environmental Science and Health. 45(11), 1441-1445.
Hudak, P. F. (2010). Nitrate, arsenic, and selenium concentrations in the Pecos Valley Aquifer, west Texas, USA. International Journal of Environmental Research. 4(2), 229-236.
Hudak, P. F. (2010). Solutes and potential sources in a portion of the Trinity Aquifer, Texas, USA. Carbonates and Evaporites. 25(1), 5-20.
Hudak, P. F. (2010). Viability of longitudinal trenches for capturing contaminated groundwater. Bulletin of Environmental Contamination and Toxicology. 84, 418-421.
Hudak, P. F. (2009). Comparison of variably-spaced, backfilled trenches for controlling contaminant plumes in heterogeneous aquifers. Environmental Pollution Control Journal. 12(3), 23-31.
Hudak, P. F. (2009). Efficiency comparison of variably-offset, non-pumped wells for filtering polluted groundwater. Journal of Environmental Protection Science. 3, 107-110.
Hudak, P. F. (2009). Elevated fluoride and selenium in west Texas groundwater. Bulletin of Environmental Contamination and Toxicology. 82(1), 39-42.
Hudak, P. F. (2009). Internal versus external configurations of passive wells with filter cartridges for cleaning contaminated groundwater. Remediation Journal. 20(1), 133-141.
Wachal, D., Banks, K., Hudak, P. F., Harmel, D. (2009). Modeling erosion and sediment control practices with RUSLE 2.0: A management approach for natural gas well sites in Denton County, Texas, USA. Environmental Geology. 56(8), 1615-1627.
Enwright, N., Hudak, P. F. (2009). Spatial distribution of nitrate and related factors in the High Plains Aquifer, Texas. Environmental Geology. 58(7), 1541-1548.
Hudak, P. F. (2008). Configuring extraction-injection well pairs for containing and removing contaminated groundwater. Environmental Pollution Control Journal. 11(3), 39-42.
Hudak, P. F. (2008). Configuring passive wells with reactive media for treating contaminated groundwater. Environmental Progress. 27(2), 257-262.
Hudak, P. F. (2008). Distribution of arsenic concentrations in groundwater in the Seymour Aquifer, Texas, USA. International Journal of Environmental Health Research. 18(1), 79-82.
Hudak, P. F. (2008). Evaluation of reactive well networks for remediating heterogeneous aquifers. Journal of Environmental Science and Health. 43(7), 731-737.
Wachal, D., Harmel, R., Banks, K., Hudak, P. F. (2008). Evaluation of WEPP for runoff and sediment yield prediction on natural gas well sites. Transactions of the American Society of Agricultural and Biological Engineers. 51(6), 1977-1986.
Hudak, P. F. (2008). Numerical modeling assessment of three-gate structures for capturing contaminated groundwater. Environmental Geology. 55(6), 1311-1317.
Barranco, W., Hudak, P. F., Eckhert, C. (2007). Evaluation of ecological and in vitro effects of boron on prostate cancer risk (United States). Cancer Causes and Control. 18, 71-77.
Hudak, P. F. (2007). Mass transport in groundwater near hanging-wall interceptors. Journal of Environmental Science and Health. 42(3), 317-321.
Hudak, P. F. (2007). Performance assessment of hanging funnel-and-gate structures designed by reverse particle tracking for capturing polluted groundwater. Remediation Journal. 17(3), 37-46.
Hudak, P. F. (2007). Performance comparison of passive structures with multiple gates and funnels for capturing contaminated groundwater. The Professional Geologist. 44(5), 41-44.
Hudak, P. F., Banks, K. (2006). Compositions of first flush and composite storm water runoff in small urban and rural watersheds, north-central Texas. Urban Water. 3(1), 43-49.
Hudak, P. F. (2006). Distance-constrained contaminant detection networks in aquifers with varying hydraulic gradients. Bulletin of Environmental Contamination and Toxicology. 77(1), 74-81.
Hudak, P. F. (2006). Groundwater monitoring strategies for variable contaminant migration boundaries. Hydrological Sciences Journal. 51(3), 524-530.
Hudak, P. F. (2006). Heuristic for constructing minimum-well groundwater monitoring configurations at waste storage facilities. Journal of Environmental Science and Health. 41(2), 185-193.
Hudak, P. F. (2006). Identifying vertical sampling intervals for detecting contaminants in groundwater monitoring wells. Environmental Pollution Control Journal. 9(4), 14-20.
Hudak, P. F. (2006). Influence of contaminant source node spacing and dispersivity on detection capability of groundwater monitoring networks. Journal of Solid Waste Technology and Management. 32(1), 36-43.
Hudak, P. F. (2006). Spatial and temporal patterns of arsenic concentration in the High Plains Aquifer of Texas, USA. International Journal of Environmental Studies. 63(2), 201-209.
Hudak, P. F. (2006). Strategies for designing groundwater monitoring networks at waste storage facilities with multiple source areas. Groundwater Monitoring & Remediation. 26(3), .
Hudak, P. F., Thapinta, A. (2005). Agricultural pesticides in groundwater of Kanchana Buri, Ratcha Buri, and Suphan Buri provinces, Thailand. Bulletin of Environmental Contamination and Toxicology. 74(4), 631-636.
McCall, S., Hudak, P. F., Klaver, I. (2005). Developing water resources in rural Jamaica: A case study in Southern Trelawny. Sustainable Communities Review. 8(1), 44-53.
Hudak, P. F. (2005). Effect of setback distance on ability of gravel trenches to intercept contaminated groundwater. Environmental Monitoring and Assessment. 104, 419-423.
Williams, L. L., Hudak, P. F. (2005). Hydrology and plant survival in excavated depression near earthen dam in north-central Texas. Environmental Geology. 48(6), 795-804.
Williams, S. A., Hudak, P. F. (2005). MTBE-impacted groundwater in the Woodbine Aquifer, Denton, Texas. The Professional Geologist. 42(4), 32-34.
Hudak, P. F. (2005). Pattern and sources of nitrate and chloride in groundwater, southeast Texas, USA. Environmental Pollution Control Journal. 8(3), 52-57.
Hudak, P. F. (2005). Radioactivity in the Ogallala and Dockum Aquifers, northwest Texas, USA. Environmental Geology. 47(2), 283-289.
Forbes, M. G., Dickson, K. L., Saleh, F., Waller, W. T., Doyle, R. D., Hudak, P. F. (2005). Recovery and fractionation of phosphorus retained by lightweight expanded shale and masonry sand used as media in subsurface flow treatment wetlands. Environmental Science & Technology. 39, 4621-4627.
Hudak, P. F. (2005). Sensitivity of groundwater monitoring networks to contaminant source width for various seepage velocities. Water Resources Research. 41(8), 1-4.
Hudak, P. F., Parker, M. (2004). Alpha and beta radioactivity in groundwater of the Hickory, Mid-Cambrian, and Ellenburger-San Saba Aquifers, central Texas, USA. International Journal of Flexible Manufacturing Systems. 61(6), 677-686.
Hudak, P. F. (2004). Augmenting groundwater monitoring networks near landfills with slurry cutoff walls. Environmental Monitoring and Assessment. 90, 113-120.
Hudak, P. F. (2004). Boron and selenium contamination in south Texas groundwater. Journal of Environmental Science and Health. 39(11-12), 2827-2834.
Brady, P., Hudak, P. F., Sitton, S., Wood, S. (2004). Curbing recyclable waste. Waste Age. 35(11), 24.
Forbes, M. G., Dickson, K. L., Golden, T. D., Hudak, P. F., Doyle, R. (2004). Dissolved phosphorus retention of light-weight expanded shale and masonry sand used in subsurface flow treatment wetlands. Environmental Science & Technology. 38(3), 892-898.
Hudak, P. F. (2004). Effects of funnel and gate geometry on capture of contaminated groundwater. Bulletin of Environmental Contamination and Toxicology. 72(3), 557-563.
Dohanich, F. A., Hudak, P. F., Atkinson, S. F. (2004). On-road sensing of motor vehicle emissions: Associations between exhaust pollution levels and vehicle year. International Journal of Environmental Studies. 61(2), 139-143.
Hudak, P. F. (2004). Performance comparison of interceptor trench configurations for extracting contaminated groundwater. Journal of Environmental Science and Health. 39(5), 1295-1300.
Hudak, P. F. (2003). Arsenic, nitrate, chloride, and bromide contamination in the Gulf Coast Aquifer, south central Texas, USA. International Journal of Environmental Studies. 60(2), 123-133.
Hudak, P. F. (2003). Backup coverage in groundwater monitoring networks. International Journal of Environmental Studies. 60(5), 515-522.
Hudak, P. F. (2003). Campus field exercises for introductory geoscience courses. Journal of Geography. 102, 220-225.
Hudak, P. F. (2003). Chloride/bromide ratios in leachate derived from farm-animal waste. Environmental Pollution. 121(1), 23-25.
Sallee, D., Hudak, P. F. (2003). Denton County deer. Other. 18(10), 38-39.
Maxey, G., Hudak, P. F. (2003). Lightning, downed power line form intriguing rock structure in Denton, Texas. The Professional Geologist. 40(2), 2-4.
Hillin, C. K., Hudak, P. F. (2003). Nitrate contamination in the Seymour Aquifer of west Texas, USA. Bulletin of Environmental Contamination and Toxicology. 70(4), 674-679.
Hudak, P. F. (2003). Occurrence of nitrate and arsenic in alluvium and bolson aquifers of west Texas, USA. Bulletin of Environmental Contamination and Toxicology. 71(5), 905-911.
Hudak, P. F. (2003). Oil production and groundwater quality in the Edwards-Trinity Plateau Aquifer, Texas, USA. The Scientific World Journal. 3, 1147-1153.
Hudak, P. F., Sanmanee, S. (2003). Spatial patterns of nitrate, chloride, sulfate, and fluoride concentrations in the Woodbine Aquifer of north-central Texas, USA. Environmental Monitoring and Assessment. 82(3), 311-320.
Hudak, P. F. (2003). Use of geographic information systems for assessing groundwater pollution potential by pesticides in central Thailand. Environment International. 29(1), 87-93.
Hudak, P. F. (2003). Viability of interceptor trenches for monitoring groundwater quality near landfills. Journal of Environmental Science and Health. A38(4), 711-717.
Hudak, P. F. (2002). Associations between distance lags, groundwater velocities, and detection efficiencies in groundwater monitoring networks. Environmental Monitoring and Assessment. 75(2), 215-221.
Hudak, P. F. (2002). Associations between rural land uses and ground-water quality in the Ogallala Aquifer, northwest Texas. Groundwater Monitoring & Remediation. 22(4), 117-121.
Alderman, J. A., Hudak, P. F., Acevedo, M. (2002). Chemical ratios and groundwater contamination in east Texas. Bulletin of Environmental Contamination and Toxicology. 69(6), 793-799.
Brady, P., Hudak, P. F., Ji, M. (2002). Composition of residential solid waste in Denton, Texas. Sustainable Communities Review. 5(1), 35-38.
Hudak, P. F. (2002). Designing equitemporal monitoring networks to detect contaminants in groundwater. Bulletin of Environmental Contamination and Toxicology. 68(2), 168-172.
Hudak, P. F. (2002). Efficiency comparison of graphical approaches for designing contaminant detection networks in groundwater. Water Resources Research. 38(12/18), 1-5.
Hudak, P. F. (2002). Spontaneous combustion of shale spoils at a sanitary landfill. Waste Management. 22(6), 687-688.
Stuckey, H. T., Hudak, P. F. (2002). Waste investment: Capitalizing on forgotten resources in municipal waste. Journal of Environmental Protection. 13(3), 60-71.
Appel, P. A., Hudak, P. F. (2001). Automated sampling of stormwater runoff in an urban watershed, north-central Texas. Journal of Environmental Science and Health. A36(6), 897-907.
Hudak, P. F., Chadbourne, J. (2001). Controlling gully erosion with earth dams in north-central Texas. The Professional Geologist. 38(1-2), 3-5.
Hudak, P. F. (2001). Creased plastic rock permeameter for hydrogeology students. Journal of Geoscience Education. 49(2), 182-186.
Hudak, P. F. (2001). Effective contaminant detection networks in uncertain groundwater flow fields. Waste Management. 21, 309-312.
Hudak, P. F., Wachal, D. J. (2001). Effects of brine injection wells, dry holes, and plugged oil/gas wells on chloride, bromide, and barium concentrations in the Gulf Coast Aquifer, southeast Texas, USA. Environment International. 26, 497-503.
Stuckey, H. T., Hudak, P. F. (2001). Effects of compost on loblolly pine tree growth in northeast Texas. Compost Science & Utilization. 9(1), 65-72.
Hudak, P. F. (2001). Effects of groundwater velocity on sampling intervals for contaminant detection networks in aquifers. Journal of Environmental Science and Health. A36(1), 117-122.
Hudak, P. F. (2001). Locating groundwater monitoring wells near cutoff walls. Advances in Environmental Research. 5(1), 23-29.
Hudak, P. F. (2001). Monitoring groundwater at landfills equipped with leachate collection systems. Bulletin of Environmental Contamination and Toxicology. 66(2), 156-161.
Hudak, P. F., Wachal, D. J. (2001). Oil production, agriculture, and groundwater quality in the southeast Gulf Coast Aquifer, Texas. Environmental Monitoring and Assessment. 72, 249-264.
Hudak, P. F. (2001). Sodium adsorption ratios and salinity levels in nine Texas aquifers: Implications for irrigated agriculture. International Journal of Environmental Studies. 58(3), 331-341.
Hudak, P. F., Davis, J., Reinisch, J., Smith, D., Welcker, C., Woods, V. (2001). Soil erosion: It's a slippery slope. Geospatial Solutions. 11(1), 18-19.
Hudak, P. F. (2001). Water hardness and sodium trends in Texas aquifers. Environmental Monitoring and Assessment. 68(2), 177-185.
Hudak, P. F., Ramos, V. (2000). Developing groundwater resources in remote communities. Sustainable Communities Review. 3(2), 35-37.
Hudak, P. F. (2000). Distribution and sources of arsenic in the Southern High Plains Aquifer, Texas, USA. Journal of Environmental Science and Health. A35(6), 899-913.
Hudak, P. F. (2000). Effects of two-dimensional mass transport modeling on groundwater monitoring configurations. Bulletin of Environmental Contamination and Toxicology. 64(1), 1-7.
Stuckey, H. T., Hudak, P. F., Schoolmaster, F. A. (2000). Landscape waste management programs and strategies. Other. 10(3), 54-60.
Wachal, D. J., Hudak, P. F. (2000). Mapping landslide susceptibility in Travis County, Texas, USA. GeoJournal. 51(3), 245-253.
Hudak, P. F., Videan, N., Ward, K. (2000). Nitrate and chloride concentrations in the High Plains Aquifer, Texas. International Journal of Environmental Studies. 57, 563-577.
Thapinta, A., Hudak, P. F. (2000). Pesticide use and residual occurrence in Thailand. Environmental Monitoring and Assessment. 60(1), 103-114.
Kuiper, J. R., Hudak, P. F. (2000). Post impoundment investigation of gravity-driven irrigation ponds in central Bolivia. Water International. 25(3), 390-393.
Hudak, P. F. (2000). Procedure for upgrading contaminant detection networks in aquifers. Bulletin of Environmental Contamination and Toxicology. 65(1), 62-69.
Hudak, P. F. (2000). Regional trends in nitrate content of Texas aquifers. Journal of Hydrology. 228, 37-47.
Hudak, P. F. (2000). Sulfate and chloride concentrations in Texas aquifers. Environment International. 26(55-61), .
Brady, P., Hudak, P. F., Dickson, K. L. (2000). Surveying the commercial-municipal solid waste stream in Denton, Texas. Other. 10(5), 44-48.
Kuiper, J. R., Hudak, P. F. (2000). Sustaining agriculture in Bolivia. Other. 50(4), 16-20.
Hudak, P. F. (1999). A graben in the Eagle Ford Shale, Lewisville, Texas. The Professional Geologist. 36(4), 6-8.
Hudak, P. F. (1999). A method for designing upgradient groundwater monitoring networks. Hydrogeology Journal. 6, 341-348.
Hudak, P. F. (1999). Chloride and nitrate distributions in the Hickory aquifer, central Texas, USA. Environment International. 25(4), 393-401.
Hudak, P. F. (1999). Comparison of injection well patterns for remediating benzene-contaminated groundwater. International Journal of Environmental Studies. 56(5), 641-652.
Hudak, P. F., Loaiciga, H. A. (1999). Conjunctive use of vadose and saturated zone monitoring for subsurface contamination. Environmental Monitoring and Assessment. 59(1), 15-29.
Hudak, P. F. (1999). Fluoride levels in Texas groundwater. Journal of Environmental Science and Health. A34(8), 1659-1676.
Hudak, P. F. (1999). Groundwater field station for geoscience students. Journal of Geography. 98(1), 23-28.
Hudak, P. F. (1999). Influence of landfill shape and orientation on groundwater monitoring efficiency. International Journal of Environmental Studies. 57, 79-92.
Hudak, P. F., Wachal, D. J., Hunter, B. A. (1999). Managing subsurface property hazards: Reactive soils and underground tanks. Urban Water. 1(3), 237-241.
Hudak, P. F. (1999). Portable drilling rig for soil and groundwater investigation. Soil and Groundwater. 6, 30-31.
Hudak, P. F. (1998). A method for designing configurations of nested monitoring wells near landfills. Hydrogeology Journal. 6, 341-348.
Hudak, P. F., Sadler, B., Hunter, B. A. (1998). Analyzing underground water-pipe breaks in residual soils. Water Engineering and Management. 145(12), 15-20.
Hudak, P. F. (1998). Configuring detection wells near landfills. Groundwater Monitoring & Remediation. 18(2), 93-96.
Hudak, P. F., Sidder, G. (1998). Depth to bedrock in west-central Nevada. Engineering and Mining Journal. 199(6), 32EE-32GG.
Hudak, P. F. (1998). Geologic controls on foundation damage in north-central Texas. GeoJournal. 45(3), 159-164.
Hudak, P. F. (1998). Groundwater monitoring strategies for variable versus constant contaminant loading functions. Environmental Monitoring and Assessment. 50(3), 271-288.
Steward, L. K., Hudak, P. F., Doyle, R. D. (1998). Modeling hydrologic alterations to a developing wetland in an abandoned borrow pit. Journal of Environmental Management. 53(3), 231-239.
Hudak, P. F. (1998). Nitrate levels in the Woodbine aquifer, north-central Texas. Journal of Environmental Science and Health. A33(6), 1041-1055.
Hudak, P. F. (1998). Procedure for shifting groundwater monitoring locations to enhance detection efficiency near landfills. Journal of Environmental Science and Health. A33(8), 1771-1780.
Hudak, P. F. (1998). Visualizing groundwater flow fields and contaminant plumes in an undergraduate hydrogeology course. Journal of Geoscience Education. 46(132-136), .
Hudak, P. F. (1997). Evaluation of a capture zone overlay method for designing groundwater remediation systems. Environmental Geology. 31(1), 21-26.
Hudak, P. F., Maxey, G. (1997). Geophysical prospecting for oil and gas well effluent. The Professional Geologist. 34(13), 2-4.
Hudak, P. F., Blanchard, S. (1997). Land use and groundwater quality in the Trinity Group outcrop of north-central Texas. Environment International. 23(4), 507-517.
Hudak, P. F., White, S. A. (1997). Modeling alternative groundwater remediation methods in contrasting hydrogeologic settings. Journal of Environmental Science and Health. A32(1), 105-122.
Hudak, P. F. (1997). Peripheral versus perpendicular groundwater monitoring configurations. Journal of Environmental Science and Health. A32(9), 2575-2584.
Loaiciga, H. A., Leipnik, R. B., Hudak, P. F., Marino, M. A. (1996). 1-, 2- and 3-dimensional effective conductivity of aquifers. Mathematical Geology. 28(5), 563-584.
Hudak, P. F. (1996). A heuristic for piping residential sprinklers. Irrigation and Drainage Systems. 10(4), 343-353.
Hudak, P. F. (1996). A method for designing detection monitoring networks in layered aquifers with non-uniform flow. Journal of Environmental Management. 48(4), 341-356.
Hudak, P. F. (1996). Distribution of indoor radon concentrations and uranium-bearing rocks in Texas. Environmental Geology. 28(1), 29-33.
Hudak, P. F. (1996). Effects of compliance boundary location on contaminant detection networks in aquifers. Environmental Monitoring and Assessment. 43, 217-225.
Hudak, P. F. (1996). Hydrogeology lessons and exercises for introductory physical-geology students. Journal of Geoscience Education. 44(3), 315-317.
Hudak, P. F., Speas, R. K., Schoolmaster, F. A. (1995). Managing underground storage tanks in urban environments: A geographic information systems approach. Water Resources Bulletin. 31(3), 439-445.
Hudak, P. F. (1995). Proximity of streams to landfills in north-central Texas. Texas Journal of Science. 47(3), 163-173.
Hudak, P. F., Loaiciga, H. A., Marino, M. A. (1995). Regional-scale ground water quality monitoring via integer programming. Journal of Hydrology. 164, 153-170.
Hudak, P. F. (1995). Time-constrained recovery of contaminated groundwater. Other. 17(1), 34-42.
Hudak, P. F. (1994). A method for monitoring groundwater quality near waste storage facilities. Environmental Monitoring and Assessment. 30, 197-210.
Hudak, P. F. (1994). Application of facility location theory to ground-water remediation. Applied Geography. 14(3), 232-244.
Loaiciga, H. A., Leipnik, R. B., Hudak, P. F., Marino, M. A. (1994). Effective hydraulic conductivity of non-stationary aquifers. Stochastic Hydrology and Hydraulics. 8(1), 1-17.
Hudak, P. F. (1994). Effective porosity of unconsolidated sand: Estimation and impact on capture zone geometry. Environmental Geology. 24(2), 140-143.
Hudak, P. F. (1994). Ground-water modeling applied to production well management in a contaminated aquifer. Environmental Geology. 23(2), 119-124.
Hudak, P. F. (1993). An optimization method for monitoring network design in multi-layered ground water flow systems. Water Resources Research. 29(8), 2835-2845.
Hudak, P. F., Loaiciga, H. A., Schoolmaster, F. A. (1993). Application of geographic information systems to ground-water monitoring network design. Water Resources Bulletin. 29(3), 383-390.
Hudak, P. F. (1993). Effects of improper characterization of aquifer thickness on hydraulic conductivity estimates from pumping tests. Groundwater Monitoring & Remediation. 13(2), 113-117.
Hudak, P. F. (1993). Optimizing environmental monitoring networks with direction-dependent distance thresholds. Environmental Monitoring and Assessment. 28, 53-60.
Hudak, P. F. (1993). Short-term solute fluctuations in ground water: Modeling implications. Journal of Hydraulic Engineering. 119(7), 830-837.
Hudak, P. F. (1993). Stochastic ground water flow analysis in the presence of trends in heterogeneous hydraulic conductivity fields. Mathematical Geology. 25(2), 161-176.
Hudak, P. F., Clements, K., Loaiciga, H. A. (1993). Water-table correction factors applied to gasoline contamination. Journal of Environmental Engineering. 119(3), 578-584.
Hudak, P. F., Loaiciga, H. A. (1992). A location modeling approach for groundwater monitoring network augmentation. Water Resources Research. 28(3), 643-649.
Hudak, P. F. (1992). Terminal decollement tectonics in the Appalachian Plateau of northwestern Pennsylvania. Northeastern Geology. 14(2-3), 108-112.
Loaiciga, H. A., Michaelsen, J., Hudak, P. F. (1992). Truncated distributions in hydrologic analysis. Water Resources Bulletin. 28(5), 853-863.
Hudak, P. F., Loaiciga, H. A. (1991). Mass transport modeling in landfill-contaminated buried valley aquifer. Journal of Water Resources Planning and Management. 117(2), 260-272.
Loaiciga, H. A., Hudak, P. F. (1989). Correlated versus uncorrelated hydrologic samples. Journal of Water Resources Planning and Management. 115(5), 699-705.
Hudak, P. F. (2022). Study shows how ground heat hazards can be harmful to man's best friend. The Professional Geologist. 59(3), 30.
Hudak, P. F. (2021). Hot weather creates trail hazards for dogs. Other. 14(11), 26-27.
Hudak, P. F. (2019). Physical Geology Laboratory Manual, 10-23/e.
Hudak, P. F. (2000). Earth Science Laboratory Manual, 3-9/e. Stipes Publishing Company.
Hudak, P. F., Maxey, G., et al., (2000). Physical Geology Laboratory Manual, 2-9/e.
Hudak, P. F. (1997). Hydrogeology Field Manual. Stipes Publishing Company.
Maxey, G., Hudak, P. F., et al., (1995). Historical Geology Laboratory Manual, 3-4/e.
Hudak, P. F. (1993). Regional scale ground-water quality monitoring: Methods and case studies.
Hudak, P. F. (2000). Reflections on Rachel Carson's Silent Spring.
Hudak, P. F. (2020). Standard guideline for the estimation of aquifer hydraulic properties by inverse numerical modeling of aquifer pumping tests. Other. American Society of Civil Engineers.
Hudak, P. F., (2017). Calculation of the saturated hydraulic conductivity of fine-grained soils. American Society of Civil Engineers.
Hudak, P. F. (2010). Standard guideline for the geostatistical estimation and block-averaging of homogeneous and isotropic saturated hydraulic conductivity.
Hudak, P. F. (2008). Standard guideline for calculating the effective saturated hydraulic conductivity.
Hudak, P. F. (2008). Standard guideline for fitting saturated hydraulic conductivity using probability density functions.
Hudak, P. F. (2001). City of Denton, Texas Commercial Waste Stream Characterization Study.
Hudak, P. F. (2001). City of Denton, Texas Compactor Waste Stream Characterization Study.
Hudak, P. F. (2000). City of Denton, Texas Residential Municipal Solid Waste Stream Characterization Study.
Hudak, P. F. (1999). City of Denton, Texas Commercial Waste Stream Characterization Study.
Hudak, P. F. (1994). Groundwater Modeling at the Dallas Naval Weapons Industrial Reserve Plant.
Hudak, P. F. (1991). Effluent Storage Reservoir, Laguna Sanitation District, Santa Maria, California.
Hudak, P. F. (1989). Summary of Groundwater Remediation Strategies, MTD Property, Santa Barbara, California.
Hudak, P. F. (1989). Summary Report of Waste Discharge, Dunn School, Los Olivos, California.
Hudak, P. F. (1988). Ground Water Source Protection Study, New Carlisle, Ohio.
Hudak, P. F. (1988). Montgomery County Moraine System Production Facilities Management Plan.
Hudak, P. F. (1988). Well Field Expansion Study, Troy, Ohio.
Hudak, P. F. (1986). Strained crinoid ossicles and minor folding as evidence for decollement tectonics in the Appalachian Plateau of northwestern Pennsylvania. Allegheny College.
Hudak, P. F. (1988). Conjunctive use of ground water flow and mass transport models in simulation of contaminant migration, Butler County Landfill, Ohio. Wright State University.
