2026 Charles N. Haas: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	65	2184	2084	887	819	322	16641

Charles N. Haas publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Charles N. Haas sits on this spectrum.

41 publications 687+

This scientist: 322 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Charles N. Haas D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Charles N. Haas sits on this spectrum.

30 D-Index 125+

This scientist: 65 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Research.com Recognitions

2002 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Charles N. Haas is affiliated with Drexel University in the United States and has contributed extensively to environmental science and medicine. Their research primarily focuses on infectious diseases, health toxicology and mutagenesis, sociology and political science, biomedical engineering, and water science and technology.

The scientist's work covers multiple main topics including:

SARS-CoV-2 detection and testing
Biosensors and analytical detection
Fecal contamination and water quality
Water treatment and disinfection
Infection control and ventilation
Legionella and Acanthamoeba research
COVID-19 epidemiological studies

Charles N. Haas has published articles in journals and venues such as:

Risk Analysis
Environmental Science Water Research & Technology
UNC Libraries
The Science of The Total Environment
Water Research

Several notable recent papers by the scientist include:

"Minimizing errors in RT-PCR detection and quantification of SARS-CoV-2 RNA for wastewater surveillance," 2021, The Science of The Total Environment
"Reproducibility and sensitivity of 36 methods to quantify the SARS-CoV-2 genetic signal in raw wastewater: findings from an interlaboratory methods evaluation in the U.S.," 2021, Environmental Science Water Research & Technology
"Reproducibility and sensitivity of 36 methods to quantify the SARS-CoV-2 genetic signal in raw wastewater: findings from an interlaboratory methods evaluation in the U.S.," 2020, bioRxiv (Cold Spring Harbor Laboratory)
"Quantitative Microbial Risk Assessment and Molecular Biology: Paths to Integration," 2020, Environmental Science & Technology
"Tenets of a holistic approach to drinking water-associated pathogen research, management, and communication," 2021, Water Research

Frequent collaborators in their publications include Kerry A. Hamilton, Kyle Bibby, Daniel Gerrity, Patrick L. Gurian, and Aaron Bivins.

Charles N. Haas was awarded the title of Fellow of the American Association for the Advancement of Science (AAAS) in 2002.

Best Publications

Quantitative Microbial Risk Assessment

Charles N. Haas;Joan B. Rose;Charles P. Gerba

1832
Citations
Modeling the Risk From Giardia and Viruses in Drinking Water

Stig Regli;Joan B. Rose;Charles N. Haas;Charles P. Gerba

648
Citations
Sensitive populations: who is at the greatest risk?

Charles P. Gerba;Joan B. Rose;Charles N. Haas

557
Citations
Risk Assessment of Virus in Drinking Water

Charles N. Haas;Joan B. Rose;Charles Gerba;Stig Regli

464
Citations
Quantitative Microbial Risk Assessment: Second Edition

Charles N. Haas;Joan B. Rose;Charles P. Gerba

428
Citations
Risk assessment and control of waterborne giardiasis.

J B Rose;C N Haas;S Regli

374
Citations
Inactivation of Feline Calicivirus and Adenovirus Type 40 by UV Radiation

Jeanette A. Thurston-Enriquez;Charles N. Haas;Joseph Jacangelo;Kelley Riley

356
Citations
Risk Assessment of Opportunistic Bacterial Pathogens in Drinking Water

Patricia A. Rusin;Joan B. Rose;Charles N. Haas;Charles P. Gerba

328
Citations
Waterborne rotavirus: A risk assessment

Charles P. Gerba;Joan B. Rose;Charles N. Haas;Kristina D. Crabtree

288
Citations
Reproducibility and sensitivity of 36 methods to quantify the SARS-CoV-2 genetic signal in raw wastewater: findings from an interlaboratory methods evaluation in the U.S.

Brian M. Pecson;Emily Darby;Charles N. Haas;Yamrot M. Amha

279
Citations
Chlorine Inactivation of Adenovirus Type 40 and Feline Calicivirus

Jeanette A. Thurston-Enriquez;Charles N. Haas;Joseph Jacangelo;Charles P. Gerba

270
Citations
Minimizing errors in RT-PCR detection and quantification of SARS-CoV-2 RNA for wastewater surveillance

Warish Ahmed;Stuart L. Simpson;Paul M. Bertsch;Kyle Bibby

266
Citations
Assessment of the dose-response relationship of Campylobacter jejuni

G.J. Medema;P.F.M. Teunis;A.H. Havelaar;C.N. Haas

259
Citations
It’s Not the Heat, It’s the Humidity: Wet Weather Increases Legionellosis Risk in the Greater Philadelphia Metropolitan Area

David N. Fisman;Suet Lim;Gregory A. Wellenius;Caroline Johnson

256
Citations
Criteria for Selection of Surrogates Used To Study the Fate and Control of Pathogens in the Environment

Ryan G. Sinclair;Joan B. Rose;Syed A. Hashsham;Charles P. Gerba

220
Citations
Assessing the risk posed by oocysts in drinking water

Charles N. Haas;Christopher S. Crockett;Joan B. Rose;Charles P. Gerba

205
Citations
Waterborne adenovirus: A risk assessment

K.D. Crabtree;C.P. Gerba;J.B. Rose;C.N. Haas

196
Citations
Disinfection under Dynamic Conditions: Modification of Hom's Model for Decay.

Charles N. Haas;Josh. Joffe

182
Citations
Estimation of averages in truncated samples

Charles N. Haas;Peter A. Scheff

157
Citations
Inactivation of enteric adenovirus and feline calicivirus by ozone.

Jeanette A. Thurston-Enriquez;Charles N. Haas;Joseph Jacangelo;Charles P. Gerba

145
Citations

Frequent Co-Authors

Joan B. Rose Michigan State University

Charles P. Gerba University of Arizona

Bakhtier Farouk Drexel University

Warish Ahmed Commonwealth Scientific and Industrial Research Organisation

Kyle Bibby University of Notre Dame

Joseph G. Jacangelo Johns Hopkins University

Simon Toze Commonwealth Scientific and Industrial Research Organisation

Jerald L. Schnoor University of Iowa

Mark W. LeChevallier Montana State University

Danny D. Reible Texas Tech University

External Links

Personal website of Charles N. Haas Google Scholar page

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