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Picture of Channah Rock

Channah Rock

Specialist, Environmental Science | Professor, Environmental Science | Member of the Graduate Faculty | Endowed Chair, Jim Brennan - Extension Fresh Produce Safety

Environmental Science-Res

About

My Research Interests molecular pathogen detection assessment of nutrient, chemical and biological variability of seasonal reclaimed water quality evaluation of programs, data sources and utilization of treated wastewater in Arizona

Research Area

water quality, food safety, agriculture, microbiology, public health, water treatment, agricultural water, bacterial pathogens, sustainability, antibiotic resistance, irrigation, environmental impact, evaluation, environmental health, foodborne pathogens, environmental monitoring, research collaboration, environmental conservation, education, environmental sampling, surveillance, water management, biosolids, environmental science, environmental engineering, wastewater treatment, fresh produce, e. coli, produce safety, water contamination

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Recent

Modeling Solute Transport in Sprinkler Irrigation Laterals

2024

solute transport, sprinkler irrigation, modeling, transport, irrigation laterals

Combined Infection Control Interventions Protect Essential Food Workers from Occupational Exposures to SARS-CoV-2 in the Agricultural Environment

2023

infection control, occupational exposure, sars-cov-2, essential workers, agricultural environment

Efficacy of Peracetic Acid and Chlorine on the Reduction of Shiga Toxin-producing Escherichia coli and a Nonpathogenic E. coli Strain in Preharvest Agricultural Water

2023

food safety, water treatment, pathogen control, agricultural hygiene, chemical disinfection

Ranking Food Safety Priorities of the Fresh Produce Industry in the United States

2023

food safety, fresh produce, industry, united states, ranking

Sanitizer Type and Contact Time Influence Salmonella Reductions in Preharvest Agricultural Water Used on Virginia Farms

2023

salmonella, sanitizer, agricultural water, preharvest, virginia farms

Combined Infection Control Interventions Protect the Essential Workforce from Occupationally-Acquired SARS-CoV-2 during Produce Production, Harvesting and Processing Activities

2022

infection control, occupational health, sars-cov-2, workforce protection, produce processing

Distributions of waterborne pathogens in raw wastewater based on a 14-month, multi-site monitoring campaign

2022

waterborne pathogens, wastewater monitoring, pathogen distribution, multi-site monitoring, raw wastewater

Evaluation of total Bacteroides sp. as an alternative indicator in agricultural water quality

2021

water quality, agriculture, bacterial indicators, environmental monitoring, microbial assessment

Cross-Validation Indicates Predictive Models May Provide an Alternative to Indicator Organism Monitoring for Evaluating Pathogen Presence in Southwestern US Agricultural Water

2021

predictive modeling, pathogen presence, agricultural water, indicator organisms, cross-validation

Editorial Perspectives: Will SARS-CoV-2 reset public health requirements in the water industry? Integrating lessons of the past and emerging research

2020

public health, water industry, sars-cov-2, lessons, emerging research

Michele Walsh
Gerardo Lopez
Peter Ellsworth
Karletta Chief
Ayman Mostafa

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Cascading Colorado River cuts bring focus to future of Arizona agriculture
2022
UA Scientists to Examine Food Safety Practices After E. coli Outbreak
2019
Pure Water Brew Challenge Brings Reclamation to the Forefront
2017
'Ag Water' App Assists Growers on Food Safety Issues
2016
UA Scientists Challenge Conventions of Irrigation
2016

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Soil and Water Conservation

60+ Collaborators

$8.5M / $30.9M Funding

60+ Publications