Joel P Stokdyk
Joel Stokdyk is a Biologist with the Laboratory for Infectious Disease and the Environment (LIDE) with the Upper Midwest Water Science Center.
EXPERTISE
Analysis of human and agricultural zoonotic pathogens and fecal indicators in environmental matrices
Quantitative polymerase chain reaction (qPCR)
Large-volume sampling techniques for analysis of viruses and bacteria in water
Human enteric viruses in groundwater
RESEARCH INTERESTS
Occurrence, fate and transport, and health effects of viruses in the environment
Persistence of pathogens in soil, groundwater, and surface water
Plant-soil-microbe interactions
Factors affecting pathogen contamination of drinking water wells
CURRENT PROJECTS
Southwest Wisconsin groundwater and geology (SWIGG) study
Wells and enteric-disease transmission, epidemiological trial
Viral, bacterial, and protozoan pathogens and fecal markers in groundwater for public water supplies in Minnesota
Groundwater contamination occurrence, source, variability with depth to bedrock, and relationship to recharge in Kewaunee County, Wisconsin
Education and Certifications
2014. MS, Natural Resources. University of Wisconsin-Stevens Point
2012. BS, Soil and Land Management with minor in Geographic Information Systems and Spatial Analysis; Wetland Science Certificate. University of Wisconsin-Stevens Point
Science and Products
Viral, bacterial, and protozoan pathogens and fecal markers in wells supplying groundwater to public water systems in Minnesota, USA
Septic systems and rainfall influence human fecal markers and indicator organisms occurrence in private wells in southeastern Pennsylvania
Reporting the limits of detection and quantification for environmental DNA assays
Laboratory for Infectious Disease and the Environment (LIDE)
Cryptosporidium incidence and surface water influence of groundwater supplying public water systems in Minnesota, USA
Human Bacteroides and total coliforms as indicators of recent combined sewer overflows and rain events in urban creeks
Quantitative microbial risk assessment for spray irrigation of dairy manure based on an empirical fate and transport model
Avian influenza virus RNA in groundwater wells supplying poultry farms affected by the 2015 influenza outbreak
U.S. Geological Survey science strategy for highly pathogenic avian influenza in wildlife and the environment (2016–2020)
Determining the 95% limit of detection for waterborne pathogen analyses from primary concentration to qPCR
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Viral, bacterial, and protozoan pathogens and fecal markers in wells supplying groundwater to public water systems in Minnesota, USA
Septic systems and rainfall influence human fecal markers and indicator organisms occurrence in private wells in southeastern Pennsylvania
Reporting the limits of detection and quantification for environmental DNA assays
Laboratory for Infectious Disease and the Environment (LIDE)
Cryptosporidium incidence and surface water influence of groundwater supplying public water systems in Minnesota, USA
Human Bacteroides and total coliforms as indicators of recent combined sewer overflows and rain events in urban creeks
Quantitative microbial risk assessment for spray irrigation of dairy manure based on an empirical fate and transport model
Avian influenza virus RNA in groundwater wells supplying poultry farms affected by the 2015 influenza outbreak
U.S. Geological Survey science strategy for highly pathogenic avian influenza in wildlife and the environment (2016–2020)
Determining the 95% limit of detection for waterborne pathogen analyses from primary concentration to qPCR
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.