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There are many ways to reach the Water Resources Mission Area (WMA). Reach out to the main contacts below, or use the Employee Directory to find an individual or email group. For a list of WMA key management officials, click below.

WMA Key Officials

Locations

Social Media

Contacts

Joshua Joseph, Jr., PhD

Acting Associate Director
Water Resources Mission Area
Phone
(571) 591-4573

Meredith Richardson Martin, PhD

Chief Science Advisor
Water Resources Mission Area
Phone
(571) 581-7589

Robert L Joseph

Director, Office of Planning and Programming
Water Resources Mission Area
Phone
512-927-3502

Gary L Rowe, Jr., PhD

Chief Operating Officer
Water Resources Mission Area
Phone
303-236-1461

Employee Directory

Job Title
Name
Email
Phone
Research Hydrologist A. Robin Stewart arstewar@usgs.gov 650-329-4550
Physical Scientist Aaron J. Porter aporter@usgs.gov 804-261-2628
Hydrologist Adam C Mumford amumford@usgs.gov 703-648-5893
Chemist Alex Mass amass@usgs.gov 303-236-1876
Physical Scientist/Database Developer Alice J McCarthy ajmccart@usgs.gov
Biologist Alicia M Rhoades arhoades@usgs.gov
Interdisciplinary Data Scientist Alisha Yee Chan achan@usgs.gov 571-564-0532
Data Scientist Alison Appling, PhD aappling@usgs.gov
Director, Office of Quality Assurance Alissa Coes alcoes@usgs.gov 520-279-3599
Research Hydrologist Allen C Gellis, Ph.D. agellis@usgs.gov 443-498-5581
Hydrologic Technician (Field Assistant) Allison M Leninger aleninger@usgs.gov 703-648-5872
Data Visualization Specialist Althea A. Archer, PhD aaarcher@usgs.gov
Science Communicator Amanda Carr ancarr@usgs.gov
Physical Scientist - Product Owner Amber S. Jones asjones@usgs.gov
Data Scientist Amelia Snyder asnyder@usgs.gov
maintenance mechanic Andrew J Lucero alucero@usgs.gov 303-236-2000
Computer Scientist Andrew N Yan ayan@usgs.gov 608-821-3921
Hydrologist for the Geospatial Intelligence Branch Andrew R Bock abock@usgs.gov 303-236-6875
IT Specialist Andrew S Halper ashalper@usgs.gov 520-670-3330
Administrative Operations Assistant Angela A Burns aburns@usgs.gov 813-498-5014
Hydrologist and Data Management Coordinator, Office of Quality Assurance Angela K Brennan akbrennan@usgs.gov (571) 591-2777
Information Technology Specialist Annette B Feazell afeazell@usgs.gov 813-498-5020
IT Specialist (Internet) Annette Goode agoode@usgs.gov 703-648-5303
Data Scientist Anthony Martinez ajmartinez@usgs.gov
WMA ETO Program Analyst ANTONIO E. VIEDMA aviedma@usgs.gov 608-821-3878
Supervisory IT Specialist Arlington Prodigalidad prodigab@usgs.gov 650-329-4407
Administrative Operations Assistant Ashlie F Hill ahill@usgs.gov 813-498-5058
Program Analyst Barbara A Filip bfilip@usgs.gov
Research Hydrologist Barbara A. Bekins, PhD babekins@usgs.gov 650-329-4691
Information Technology Specialist Barry L Heck bheck@usgs.gov 608-821-3826
Physical Scientist Benjamin N. Fisher bfisher@usgs.gov 405-334-7822
Information Technology Specialist Benjamin R Feinstein bfeinstein@usgs.gov 608-821-3815
Research Hydrologist Benjamin S. Linhoff, Ph.D. blinhoff@usgs.gov
Supervisory Hydrologic Technician Brenda Majedi blfeit@usgs.gov 443-498-5527
Research Hydrologist Brian A. Ebel bebel@usgs.gov 303-236-3977
National Streamgage Networks Coordinator Brian McCallum bemccall@usgs.gov 678-924-6672
Program Manager, Next Generation Water Observing Systems (acting) Brian Pellerin bpeller@usgs.gov 703-648-6865
Deputy Program Coordinator Brian R Clark brclark@usgs.gov 501-352-1864
Hydrologist (Information Management) Brian Reece bdreece@usgs.gov 512-927-3573
Hydrologist Bruce Lindsey blindsey@usgs.gov 717-730-6964
Information Technology Specialist Bruce R Darnel brdarnel@usgs.gov 303-236-3725
Database Administrator Bryan A. Anderson baanderson@usgs.gov 303-236-3723
Engineering Technician Bryan D Buck bbuck@usgs.gov 703-648-5874
Engineering Technician Bryan Frierson bfrierson@usgs.gov 228-688-1838
Hydrologic Technician Burl B Goree bbgoree@usgs.gov 318-251-9630
Ext: 12
Physical Science Technician Caitlyn M Benson cmbenson@usgs.gov 303-236-3966
Hydrologist Cameron Marshall marshall@usgs.gov 253-552-1618
Physical Scientist Candice Hopkins chopkins@usgs.gov 208-387-1331
Coordinator for Water Resources Carise D Barbour cbarbour@usgs.gov 703-648-4383
Computer Scientist Carl A Schroedl cschroedl@usgs.gov 608-821-3836
Research Hydrologist Carl J Legleiter cjl@usgs.gov
Information Technology Specialist Carmen R. Baxter crbaxter@usgs.gov 804-261-2607
Hydrologist Carole D. Johnson cjohnson@usgs.gov 860-487-7402
Ext: 17
Scientist Emeritus Carolyn G Olson colson@usgs.gov 703-648-5864
Information Technology Specialist (Security) Carolyn M Emmanuelli mccullou@usgs.gov 608-821-3859
Chief Technology Officer, Enterprise Technology Office Carter J Elmore celmore@usgs.gov 719-400-8290
Center Director Casey J Lee cjlee@usgs.gov 785-760-1958
Administrative Officer Casey T Tharp ctharp@usgs.gov 650-329-4457
Chemist Cecilia A O'Connor coconnor@usgs.gov 303-236-3142
Data Visualization Specialist Cee Nell, PhD cnell@usgs.gov 608-828-9901
Program Coordinator Chad R Wagner cwagner@usgs.gov 919-571-4021
Charles G Crawford, Ph.D. cgcrawfo@usgs.gov 317-350-0010
Hydrologist Charles Stillwell, Ph.D. cstillwell@usgs.gov 919-571-4018
Communications and Engagement Team Supervisor Charlotte Riggs, PhD criggs@usgs.gov
Information Technology Specialist Charmaine E Green cegreen@usgs.gov 954-377-5909
Geographer Chintamani Kandel ckandel@usgs.gov 804-261-2626
Water Resources Research Act Program Coordinator Christian G. Schmidt cgschmidt@usgs.gov 208-861-2866
Research Hydrologist Christian Langevin langevin@usgs.gov 763-783-3121
Program Analyst Christine M Marsh cmarsh@usgs.gov 608-821-3840
Supply Technician Christopher B Knoll cknoll@usgs.gov 303-236-2000
Research Chemist Christopher Conaway cconaway@usgs.gov 650-329-4516
Program Development Specialist Christopher E Schubert schubert@usgs.gov 631-736-0783
Ext: 109
Hydrologist Christopher Fuller ccfuller@usgs.gov 650-329-4479
Chemist Christopher J Kanagy ckanagy@usgs.gov 303-236-3262
Research Hydrologist Christopher T Green, Ph.D. ctgreen@usgs.gov 650-439-2728
Hydrologist Christopher Wilson cwilson@usgs.gov 228-688-3075
Chemist Christy J Van Campen cvancampen@usgs.gov 303-236-3768
Emeritus Hydrologist Claire R Tiedeman tiedeman@usgs.gov 650-439-2583
Research Hydrologist Emeritus Clifford I Voss, Ph.D. cvoss@usgs.gov 650-329-5885
Hydrologic Technician Colby W Brown colbybrown@usgs.gov
Supervisory Program Analyst Colin H. Williams chwilliams@usgs.gov
Data Management Unit Chief Corin M Downs cdowns@usgs.gov 813-498-5062
Research Physical Scientist Corinne Bowers, PhD cbowers@usgs.gov
Deputy Program Coordinator Cory E Angeroth angeroth@usgs.gov 801-908-5048
HIF: Engineering Technician Damon A Jones, Sr. dajones@usgs.gov 228-688-7176
IT Specialist Dane J Ohe djohe@usgs.gov 512-927-3538
Biologist Daniel Cain djcain@usgs.gov 650-329-4478
Hydrologic Technician Daniel K Blankenship dblanken@usgs.gov 850-553-3665
NWIS Modernization Program Manager Daniel K Pearson dpearson@usgs.gov 512-927-3561
Computer Scientist Daniel Kester dekester@usgs.gov 608-821-3854
Assistant Director for Hydrologic Studies Daniel L Calhoun dcalhoun@usgs.gov 678-924-6629
Administrative Operations Assistant Danielle D Stanley ddstanley@usgs.gov 650-329-4359
Manager, Ecological Flows Program Daren M Carlisle, Ph.D. dcarlisle@usgs.gov 785-832-3524
Lower Mississippi-Gulf WSC - Supervisory Hydrologist Darrell S Lambeth dlambeth@usgs.gov 205-348-0950
Hydrologist David M Rey, PhD drey@usgs.gov 303-236-5392
Chemist David A Roth daroth@usgs.gov 303-541-3042
Chief, Environmental Hydrodynamics Branch, Earth System Processes Division David A Saad dasaad@usgs.gov 608-821-3865
Hydrologic Technician David D. Byers dbyers@usgs.gov
Civil Engineer David L Blodgett dblodgett@usgs.gov 608-821-3899
Information Technology Specialist David L Coyle dlcoyle@usgs.gov 703-648-5232
Director, Integrated Modeling and Prediction Division David Lesmes dlesmes@usgs.gov 703-648-4558
Hydrologist (Research) David M Wolock, Ph.D. dwolock@usgs.gov 785-832-3528
Machine Learning Engineer David Watkins wwatkins@usgs.gov
Chemist Dawn M Hemmerle dhemmerle@usgs.gov 303-236-3475
Hydrologist Debbie Warner Gordon, PG dwarner@usgs.gov 678-924-6647
Scientist Emeritus Deborah Martin damartin@usgs.gov 303-541-3024
Microbiologist Deborah Repert darepert@usgs.gov 303-541-3020
Chemist Delicia A Beaty dbeaty@usgs.gov 303-236-1817
Scientist Emeritus Devin Lynn Galloway dlgallow@usgs.gov 916-801-2040
Physical Scientist Diana L Restrepo-Osorio drestrepo-osorio@usgs.gov 785-832-3514
Deputy Director, Office of Planning and Programming Dianna Crilley dcrilley@usgs.gov 619-507-9961
Associate Director Don Cline, Ph.D. dcline@usgs.gov 703-648-4557
Operations Research Analyst Donald Brown brownd@usgs.gov 970-226-9155
Physical Science Technician Doug Choy dchoy@usgs.gov 650-329-4316
Research Hydrologist Douglas Kent dbkent@usgs.gov 650-329-4461
Chemist Durga Ghosh dghosh@usgs.gov 410-267-5750
Physical Science Technician Dylan Cone dcone@usgs.gov 303-236-3276
Hydrologist Emeritus Ean M Warren ewarren@usgs.gov 650-329-4554
HIF Electronics Technician Edward J Parrozzo parrozo@usgs.gov 228-688-1540
Research Ecologist Edward Stets estets@usgs.gov 763-783-3159
Senior Data Scientist Elaheh White ewhite@usgs.gov
Hydrologic Technician Elaiya R Jurney ejurney@usgs.gov 505-830-7900
Data Scientist Elise Hinman ​ehinman@usgs.gov​
Supervisory Hydrologist Elliot Sosa esosa@usgs.gov 787-749-7411
Data Scientist/Data Visualization Specialist Elmera Azadpour eazadpour@usgs.gov
Administrative Officer Emerson E Perez-Paniagua paniagua@usgs.gov 703-648-4526
Chief, Web Communications Branch Emily K Read, Ph.D. eread@usgs.gov (608) 400-9123
Chemist Eric A Schwab easchwab@usgs.gov 303-236-3178
Hydrologist Eric A White eawhite@usgs.gov 860-487-7402
Ext: 23
Information Technology Specialist Eric J Everman eeverman@usgs.gov 651-269-4735
Microbiologist Erin A Stelzer eastelzer@usgs.gov 614-516-1188
Hydrologist Erin M Murray emurray@usgs.gov 208-387-1328
HIF Engineering Technician Erma J Nilsson enilsson@usgs.gov 228-688-1571
Hydrologist Ethan Kirby ekirby@usgs.gov
Chemist Evan F Tillman etillman@usgs.gov 228-688-1501
Hydrologist Evangelos Kakouros kakouros@usgs.gov 650-329-5784
Biologist Francis Parchaso parchaso@usgs.gov 650-329-4586
Geographer Frank L Engel, Ph.D. fengel@usgs.gov 210-691-9213
Machine Learning Specialist Galen Gorski ggorski@usgs.gov
HIF Engineering Technician Gary E Loman geloman@usgs.gov 228-688-1569
Chief Operating Officer Gary L Rowe, Jr., PhD glrowe@usgs.gov 303-236-1461
Chief of Water Budget Office Gene Summerhill gasummer@usgs.gov 703-648-5309
Scientist Emeritus Geoffrey Delin delin@usgs.gov 303-236-1471
Data Science Branch Chief Gericke Cook gcook@usgs.gov
General Supply Specialist Germaine J. Baron gbaron@usgs.gov 303-236-3704
Chief Projects Officer Glenn Henz ghenz@usgs.gov 916-278-3101
Research Chemist Gregory A Wetherbee wetherbe@usgs.gov 303-236-1837
Economist Gregory E Schwarz gschwarz@usgs.gov 703-648-5718
Computer Specialist Gregory L Shank glshank@usgs.gov 717-730-6932
Chemist Haiping Qi haipingq@usgs.gov 703-648-6338
HIF Engineering Technician Harold R Myers hrmyers@usgs.gov 228-688-1610
Clerical Assistant Harry M Padbury hpadbury@usgs.gov 703-648-5240
Hydrologist Hayley Corson-Dosch hcorson-dosch@usgs.gov
Research Hydrologist Hedeff I Essaid, Ph.D. hiessaid@usgs.gov 650-329-4581
Administrative operations Assistant Heidi L Murphy hmurphy@usgs.gov 303-236-5021
Hydrologist Isaac A Dale idale@usgs.gov
Financial Specialist Isaac J Matson imatson@usgs.gov 303-236-3570
Lead IT Specialist Ivan Suftin isuftin@usgs.gov 608-821-3825
Chief, Hydrologic Remote Sensing Branch Jack Eggleston jegglest@usgs.gov 703-459-3903
Chief of Modeling Support and Coordination Branch Jacob LaFontaine jlafonta@usgs.gov 678-924-6664
Data Scientist Jacob Zwart jzwart@usgs.gov
Program Manager, Water Use and Water Budget Research Science Programs Jaime A Painter jpainter@usgs.gov
Program Analyst James D Zeigler jzeigler@usgs.gov 703-648-5708
Chief, Quality Systems Branch James A Simmons, IV jsimmons@usgs.gov 303-236-1835
Engineering Technician James Bounds Jbounds@usgs.gov 228-688-1355
Scientist Emeritus James Cloern jecloern@usgs.gov 650-329-4594
IT Specialist James E Morris jmorris@usgs.gov 785-832-3572
Deputy Director, Integrated Information Dissemination Division James J Galvin, PhD jgalvin@usgs.gov 703-648-4000
Research Chemist James L Gray, PhD jlgray@usgs.gov 303-236-3776
Information Technology Specialist James L Montoya jmontoya@usgs.gov 303-236-3732
Chief, Project Laboratories Branch (acting) James Pontolillo jpontoli@usgs.gov 703-648-4728
Geologist James Thordsen jthordsn@usgs.gov 650-329-4557
Budget Analyst Jamie Lowndes jlowndes@usgs.gov 609-771-3905
Information Technology Specialist Janell Fry janell_fry@usgs.gov 703-474-7936
Emeritus Research Biologist Janet K Thompson-McHendrie, Ph.D. jthompso@usgs.gov 650-329-4364
Analytical Chemist Janette M Cottrell jcottrell@usgs.gov 303-236-3945
Director, Observing Systems Division Janice Fulford jfulford@usgs.gov 228-342-3652
Machine Learning Specialist Jared Smith jsmith@usgs.gov
Hydrologist Jay Choi jchoi@usgs.gov 703-648-5418
HIF Electronics Technician Jay M Fouquette fouquett@usgs.gov 228-688-3679
Physical Scientist Jeanne Jaeschke jaeschke@usgs.gov 703-648-5872
Deputy Director, Observing Systems Division Jeff Deacon jrdeacon@usgs.gov
Chief Jeff W. McCoy jefmccoy@usgs.gov 303-236-3500
Physical Scientist Jeffrey Kwang jkwang@usgs.gov
Physical Science Technician Jeffrey T Stewart jeffs@usgs.gov 303-236-3276
Chief, Hydrologic Impacts Branch Jeni Keisman, Ph.D. jkeisman@usgs.gov
Research Oceanographer Jenna Brown, PhD jennabrown@usgs.gov 302-213-5071
Physical Scientist Jennifer E Katz jkatz@usgs.gov 631 736 0783
Biologist Jennifer L Agee jlagee@usgs.gov 303-236-3475
Physical Scientist Jennifer L Bruce jlbruce@usgs.gov 608-821-3906
Chief, Decision Support Branch Jennifer L. Rapp jrapp@usgs.gov
Chemist Jennifer M Croskrey jcroskrey@usgs.gov 303-236-3172
Biologist Jennifer M Lorenz jlorenz@usgs.gov 703-648-5894
Supply Technician Jennifer N Velasquez jnvelasq@usgs.gov 303-236-3717
Microbiologist Jennifer Underwood jcunder@usgs.gov 303-541-3033
Research Chemist Jeramy R Jasmann, Ph.D. jjasmann@usgs.gov 303-541-3007
Chief, Engineering Branch Jeremy K Newson jknewson@usgs.gov
Senior Data Scientist Jesse Ross jcross@usgs.gov
Physical Scientist Jessi Ayers jrayers@usgs.gov
Civil Engineer Jessica Buren jlucido@usgs.gov 608-821-3841
Technical Information Specialist Joanne C Jones jcjones@usgs.gov 228-688-1521
Physical Scientist Jodi S Blum jsblum@usgs.gov 650-329-4425
Information Technology Specialist Joel M Dudley jmdudley@usgs.gov 207-626-6609
Master (Vessel David H. Peterson) Joel T Fritsch jfritsch@usgs.gov 650-400-2861
Research Hydrologist John A Moody jamoody@usgs.gov 303-541-3011
Deputy Director, Integrated Modeling and Prediction Division John Brakebill jwbrakeb@usgs.gov 443-498-5557
Emeritus Scientist John Karl Bohlke jkbohlke@usgs.gov 703-648-6325
Research Physicist Emeritus John R. Nimmo, Ph. D. jrnimmo@usgs.gov 650-329-4537
Senior Advisor for Water/International John W Lane, Jr., Ph.D. jwlane@usgs.gov 860-487-7402
Research Geographer John W. Jones jwjones@usgs.gov 703-994-3224
HIF Engineering Technician Johnny T Wheat jtwheat@usgs.gov 228-688-1567
Chemist Jonathan D Boothe jboothe@usgs.gov 303-236-1461
Hydrologist, PhD, PE Jordan L. Wilson, PhD jlwilson@usgs.gov
IT Specialist Jordan Nihart jnihart@usgs.gov 228-688-1535
Hydrologist Jory S Hecht, PhD jhecht@usgs.gov 508-490-5005
Administrative Operations Assistant Jose V Martinez jmartinez@usgs.gov 650-439-2294
Hydrologist Joseph Hughes jdhughes@usgs.gov 703-648-5805
Physical Scientist Joseph K Fackrell jfackrell@usgs.gov 650-329-4515
Information Techology Specialist Joseph P Kalfsbeek kalfsbek@usgs.gov 907-786-7138
Director, Integrated Information Dissemination Division Joseph P Nielsen jnielsen@usgs.gov
Data Scientist Joseph Zemmels, PhD jzemmels@usgs.gov
Chemist Joshua E Sussman Jsussman@usgs.gov 303-236-3209
Chemist Joshua J Nordick jnordick@usgs.gov 303-236-3162
Acting Associate Director Joshua Joseph, Jr., PhD jajoseph@usgs.gov (571) 591-4573
Hydrologist Joshua Woda jwoda@usgs.gov 518-285-5600
Senior Research Hydrologist Judson W Harvey jwharvey@usgs.gov 571-420-7616
Civil Engineer Julieta GĂłmez-Fragoso jgomez-fragoso@usgs.gov 787-749-7479
Financial Specialist Karen S O'mara ksomara@usgs.gov 650-329-4416
Research Chemist Karl B Haase, Ph.D. khaase@usgs.gov 703-648-5818
Hydrologist (Surface Water Specialist) Karl E Winters kwinters@usgs.gov 804-261-2619
Office of Quality Assurance, Data Management Specialist Katherine (Kate) Jones kkjones@usgs.gov 801-908-5019
Research Hydrologist Katherine Skalak kskalak@usgs.gov 703-648-5435
Research Chemist Kathleen Scheiderich kscheiderich@usgs.gov 650-329-4521
I.T. Specialist Kathryn M Schoephoester kmschoep@usgs.gov 608-821-3892
Supervisory IT Specialist Kathy A Lindblom Klindblo@usgs.gov 303-236-3726
Geographer Kaycee E. Faunce kfaunce@usgs.gov
Physical Scientis Kayla Tinker Ktinker@usgs.gov
Hydrologist Kelly E Ruhl kesmith@usgs.gov 703-648-5719
Research Hydrologist Ken Belitz kbelitz@usgs.gov 858-775-6309
Hydrologist Ken Eng, PhD keng@usgs.gov 703-648-5843
Delaware River Master Kendra L Russell klrussell@usgs.gov 703-648-5323
Distribution Facilities Specialist Kenneth Chong kchong@usgs.gov 228-688-2898
Hydrologist Kevin A Ryan karyan@usgs.gov
Associate Center Director for Data, acting Kevin J Grimsley, P.E. kjgrims@usgs.gov 813-498-5064
Research Hydrogeologist Kevin John Cunningham, PhD kcunning@usgs.gov 954-377-5913
Emeritus Research Chemist Kevin Thorn kathorn@usgs.gov 303-236-3979
Information Technology Specialist Kimberley L Martz kimmartz@usgs.gov 703-648-5497
Research Hydrologist Kimberlie Perkins kperkins@usgs.gov 650-329-4551
Hydrologist Kimberly Shaffer kshaffer@usgs.gov 614-430-7781
Research Ecologist Kimberly Wickland kpwick@usgs.gov 303-541-3072
Chemist Kitchner Forest Ash Kash@usgs.gov 303-236-3160
Supervisory Physical Scientist Kris D Lund kdlund@usgs.gov 608-821-3860
Administrative Operations Assistant Kristal M Medina kmedina@usgs.gov 407-803-5561
Supervisory Hydrologist Kristina Kirkyla Masterson, P.E. kmasterson@usgs.gov (518) 285-5695
Water Budget Branch Chief Kurt McCoy kjmccoy@usgs.gov 804-261-2656
IT Specialist Kurt Schultz kschultz@usgs.gov 402-328-4171
Hydrologist Lance R Gruhn lgruhn@usgs.gov 319-333-4579
Program Analyst Lara J So ljso@usgs.gov 703-648-5812
Research Geologist Larry B Barber, II lbbarber@usgs.gov 303-541-3039
Supervisory Hydrologist Laura E Flight lflight@usgs.gov 207-626-6629
Data Scientist (Biologist) Lauren Koenig lkoenigsnyder@usgs.gov
Chemist Lauren T Reid lreid@usgs.gov 703-648-5950
Scientist Emeritus Laurence G Miller lgmiller@usgs.gov 650-329-4475
Physical Scientist Leah E Kammel Lenoch llenoch@usgs.gov 608-212-7890
Product Owner Lee Stanish lstanish@usgs.gov
Scientist Emeritus Leonard Konikow lkonikow@usgs.gov 703-648-5878
Chemist Leslie K Kanagy lkkanagy@usgs.gov 303-236-3243
Water Quality Specialist Lisa D Olsen ldolsen@usgs.gov 703-648-5809
Research General Engineer Lisa V. Lucas llucas@usgs.gov 650-329-4588
Biologist Lisamarie Windham-Myers lwindham-myers@usgs.gov 650-329-4447
Hydrologist Liv Herdman lherdman@usgs.gov 518-285-5654
Program Manager, Integrated Water Availability Assessments Lori Sprague lsprague@usgs.gov 303-236-6921
Physical Science Technician Louis T Zinanti lzinanti@usgs.gov 303-236-3256
Chemist Lucinda K Murtagh lmurtagh@usgs.gov 303-236-3281
Data Scientist Margaux Sleckman msleckman@usgs.gov
Supervisory Chemist Mari Titcombe Lee, PhD melee@usgs.gov 303-236-3940
Research Biologist Marie Noele Croteau, Ph.D. mcroteau@usgs.gov 650-329-4424
Scientist Emeritus Mark E Smith mesmith@usgs.gov 303-236-1469
Research Microbiologist Mark Marvin-DiPasquale, PhD mmarvin@usgs.gov 650-329-4442
Associate Director for Data Mark R Dickman mdickman@usgs.gov 916-666-9951
Hydrological Technician Mark V Carnley mcarnley@usgs.gov 228-688-1260
Supervisory Physical Scientist Mark Zucker mzucker@usgs.gov 954-377-5952
Research Hydrologist Martha A Scholl mascholl@usgs.gov 703-648-5890
Research Hydrologist Martin A. Briggs mbriggs@usgs.gov
Computer Engineer Mary S Bucknell mbucknell@usgs.gov 608-821-3920
Research Hydrologist Matthew Miller mamiller@usgs.gov 303-541-3048
Research Hydrologist Megan Barbara Young mbyoung@usgs.gov 650-329-4544
Information Technology Specialist Megan K Hines mhines@usgs.gov 608-821-3917
Hydrologist Megan Shoda meshoda@usgs.gov
Administrative Officer Melanie A Estep mestep@usgs.gov 303-236-4551
Engineering Technician Melanie S. White mwhite@usgs.gov 228-688-1960
Program Analyst Melissa L Schomody mlschom@usgs.gov 703-648-5833
National Water Quality Coordinator Melissa Riskin mriskin@usgs.gov 609-468-8844
Research Hydrologist Meredith M Reitz, PhD mreitz@usgs.gov 703-648-5834
Chief Science Advisor Meredith Richardson Martin, PhD mrmartin@usgs.gov (571) 581-7589
Research Hydrologist Merritt Harlan, PhD mharlan@usgs.gov
Hydrologic Technician Michael Clark maclark@usgs.gov 301-687-0919
Ext: 11
Research Geographer Michael F Meyer, PhD mfmeyer@usgs.gov
IT Specialist Michael Ierardi mierardi@usgs.gov 703-648-5649
Hydrologist Michael James Byrne, Sr. mbyrne@usgs.gov 407-230-1558
Scientist Emeritus Michael M Reddy mmreddy@usgs.gov 303-236-5941
IT specialist Michael R Haschke mhaschke@usgs.gov 303-236-3735
Research Ecologist Michael R Meador mrmeador@usgs.gov 703-648-5620
Hydrologist Michael S Rehmel msrehmel@usgs.gov 317-600-2758
Hydrologist Michael T Wright mtwright@usgs.gov 619-225-6120
Research Hydrologist Michelle Walvoord walvoord@usgs.gov 303-236-4998
Physical Scientist Michelle Hornberger, PhD mhornber@usgs.gov 650-329-4467
Technical Support Coordinator for Groundwater Science Michelle Sneed micsneed@usgs.gov 916-708-2479
Physical Science Technician Michelle Wood michwood@usgs.gov 303-236-3264
IT Specialist Mike Caucutt mcaucutt@usgs.gov 608-781-6345
International Travel Specialist Milagros Ortiz mortiz@usgs.gov 787-414-8584
Chief, Support Services Milton E. Marshall memarsha@usgs.gov 303-236-3715
Program Coordinator Mindi Dalton msdalton@usgs.gov 770-283-9728
Chief (Supervisory Hydrologist), Hydrologic Networks Branch Molly S Wood mswood@usgs.gov 208-387-1320
Deputy Chief Technology Officer Morgan Schneider moschnei@usgs.gov 608-821-3820
Program Assistant Nana L Frye nlfrye@usgs.gov 703-648-6862
Research Hydrologist Emeritus Nancy Rybicki nrybicki@usgs.gov 703-648-5728
Senior Management Officer Nathan Wenger nwenger@usgs.gov 703-648-5142
Senior Advisor, Office of the Chief Operating Officer Nathaniel (Nate) Booth nlbooth@usgs.gov 608-239-1108
Scientist Emeritus Neil M Dubrovsky nmdubrov@usgs.gov 916-278-3078
IT Specialist Nicholas Westley Castaneda ncastaneda@usgs.gov
Research Social Scientist, Southwest CASC Nicole M Herman-Mercer nhmercer@usgs.gov 303-236-5031
Engineering Technician Nikki Denton ndenton@usgs.gov 228-688-1602
Supervisory Chemist Nino Raynor nraynor@usgs.gov 303-236-3470
Research Hydrologist Noah Knowles nknowles@usgs.gov 650-329-4476
Hydrologist Noah Schmadel nschmadel@usgs.gov
Physical Scientist Oronde Drakes odrakes@usgs.gov
Government Information Specialist Patricia Orlando porlando@usgs.gov
Hydrologist Patrick J Ryan pryan@usgs.gov 407-803-5577
Hydrologist Patrick P Rasmussen pras@usgs.gov 785-832-3542
Biologist Paul A Bliznik pbliznik@usgs.gov 303-541-3026
Hydrologist Paul Kinzel pjkinzel@usgs.gov 303-278-7941
Hydrologist Paul Stackelberg pestack@usgs.gov 518-285-5652
Ecologist Peter M Ruhl pmruhl@usgs.gov 703-648-6841
Hydrologist Phillip Goodling pgoodling@usgs.gov 443-498-5586
Research Chemist R. Blaine McCleskey rbmccles@usgs.gov 303-541-3071
Regional Management Officer R. Scott Padgett rspadget@usgs.gov 813-498-5026
Assistant Center Director Rachel DuBose, PhD rdubose@usgs.gov
Geographer Rachel R Sleeter rsleeter@usgs.gov 253-313-3310
Usability Specialist Rachel Volentine Bryan rbryan@usgs.gov
Space and Facilities Coordinator Rafael A Vilanova rvilanova@usgs.gov 303-236-3701
HIF Engineering/Electronics Technician and Instructor Ray Elliott "Elliott" Crawford, III recrawford@usgs.gov (228) 688-1676
​Physical Scientist, Product Owner Renee ​Pieschke rpieschke@usgs.gov
Chemist Rhiannon C Revello rcrevell@usgs.gov 303-236-3258
Civil Engineer Ricardo A Solis rsolis@usgs.gov 954-377-5948
Research Hydrologist Rich Sheibley sheibley@usgs.gov 253-552-1611
Emeritus Hydrologist Richard A Smith Rsmith1@usgs.gov 703-648-6870
Hydrologist Richard B Winston, Ph.D. rbwinst@usgs.gov 703-648-5988
Research Hydrologist Richard G Niswonger rniswon@usgs.gov
Hydrogeologist Richard J Reynolds rjreynol@usgs.gov 518-285-5677
Hydrologist Richard L. Smith, Ph.D. rlsmith@usgs.gov 303-541-3032
Hydrologist Richard McDonald rmcd@usgs.gov 303-236-4985
Research Hydrologist Richard Webb rmwebb@usgs.gov 303-236-5025
Program Analyst Rita E Haddad-Khalil rhaddad@usgs.gov 703-648-4611
Emeritus Research Hydrologist Rob Striegl rstriegl@usgs.gov 303-541-3091
Hydrologist Robert R. Lotspeich rlotspei@usgs.gov
Research Hydrologist / Biogeochemist Robert F Stallard stallard@usgs.gov 303-541-3022
Director, Office of Planning and Programming Robert L Joseph rljoseph@usgs.gov 512-927-3502
Research Hydrologist Emeritus Robert M Hirsch rhirsch@usgs.gov 703-648-5888
Hydrologist Robert S Regan rsregan@usgs.gov 303-236-5008
Biologist Robert W Hood rwhood@usgs.gov 303-236-3485
HIF Supply Technician Robin L Dailey rldailey@usgs.gov 228-688-2898
Chief, Geo-Intelligence Branch Roland J Viger rviger@usgs.gov 303-541-3075
Research Hydrologist Ronald W Harvey rwharvey@usgs.gov 303-541-3034
Physical Science Technician RoseAnn Martin ramartin@usgs.gov 303-236-1874
NADP Coordinator/Meteorologist Ryan McCammon rmccammon@usgs.gov
Hydrologist Samantha K Oliver, PhD soliver@usgs.gov 608-821-3824
Director, Earth Systems Processes Division Sandra Eberts smeberts@usgs.gov
Hydrologist (Geol) Sandra L Kinnaman kinnaman@usgs.gov 813-498-5079
CFWSC Fort Myers Office, Data Chief Sara Hammermeister shammer@usgs.gov 239-275-8448
Ext: 18
Aquatic Ecologist Sarah A. Spaulding, PhD sspaulding@usgs.gov 303-492-5361
Research Ecologist Sarah Stackpoole sstackpoole@usgs.gov 303-236-0271
IT Specialist Sascha Shelton sshelton@usgs.gov 512-927-3500
Biologist Scott A Grotheer sagrothe@USGS.gov 303-236-3486
Machine Learning Specialist Scott Hamshaw, Ph.D., P.E. shamshaw@usgs.gov
Hydrologist Scott R Charlton charlton@usgs.gov 303-278-7935
Physical Scientist Se Jong Cho, PhD scho@usgs.gov
Director, Laboratory and Analytical Services Division Selene Hernandez Ruiz shernandezruiz@usgs.gov
Chemist Sharon R. Pickersgill spickersgill@usgs.gov 303-236-1821
Biologist Shaun Baesman sbaesman@usgs.gov 650-329-4459
Information Technology Specialist Shawn C Noble scnoble@usgs.gov 319-358-3640
Research Hydrologist Sheila Murphy sfmurphy@usgs.gov 303-541-3023
Administrative Specialist Shirley A Pollack spollack@usgs.gov 703-648-5860
Computer Scientist Shirley J Stephan sstephan@usgs.gov 608-821-3918
Product Owner Shirley Leung sleung@usgs.gov
Supervisory Hydrologic Technician Sonny E Anderson seanders@usgs.gov 407-803-5576
Research Hydrologist Stacey A Archfield sarch@usgs.gov 703-648-5868
Chemist Stanley J Mroczkowski smroczko@usgs.gov 703-648-5870
Student Trainee Stephanie Phillips sphillips@usgs.gov
HIF: IT Specialist Stephen D Zitterkopf szitterkopf@usgs.gov 228-688-1539
Hydrologic Technician Stephen Patrick Huddleston shuddle@usgs.gov 518-285-5600
Information Technology Specialist Stephen T Zehl stzehl@usgs.gov 703-648-5643
Chemist Steven G Smith sgsmith@usgs.gov 303-236-3275
Physical Science Technician Steven G Van Valkenburg svanvalk@usgs.gov 303-236-3167
Chief, Support Branch Steven Markstrom markstro@usgs.gov 303-236-3330
Chemist Susan M Whitcomb swhitcomb@usgs.gov 303-236-3213
Budget Analyst Susan W Jones swjones@usgs.gov 813-498-5009
Hydrologist Sydney S Foks sfoks@usgs.gov 303-236-5022
Information Technology Specialist (Web Developer) Tade (Chip) Orr tworr@usgs.gov
Financial Specialist Talor B Barnes tbbarnes@usgs.gov 303-236-4552
Oceanographer Tara Schraga tschraga@usgs.gov 650-329-4381
Hydrologic Technician Taylor A Kall tkall@usgs.gov 954-377-5983
Chemist Tedmund M Struzeski struzesk@usgs.gov 303-236-1872
Chemist, HIF Water Quality Laboratory Teri Snazelle tsnazelle@usgs.gov 228-688-1316
Hydrologist (Surface Water Specialist) Terry A Kenney tkenney@usgs.gov 801-908-5046
Research Chemist Theresa Presser tpresser@usgs.gov 650-329-4512
Supervisory Hydrologist Timothy D Straub tdstraub@usgs.gov
Senior Science Advisor, Office of the Associate Director for Water Timothy J McHale tmchale@usgs.gov 303-236-1225
Supervisory Hydrologic Technician Timothy L Dalrymple tldalrym@usgs.gov 787-749-7414
Science Advisor Todd A Chaudhry, Ph.D. tchaudhry@usgs.gov 703-424-8138
Program Officer Todd E Baumann tbaumann@usgs.gov 225-436-2715
Streamflow Technologies and Hydroacoustic Lead Travis M. Knight tknight@usgs.gov
Mendenhall Postdoctoral Fellow / Research Hydrologist, WMA Earth Systems Processes Division Trevor Partridge, PhD tpartridge@usgs.gov
Director Tyler B. Coplen, Ph.D. tbcoplen@usgs.gov 703-648-5862
Chemist Valerie S Jugert vjugert@usgs.gov 303-236-3161
Engineering Technician Veronica Ferman vferman@usgs.gov 228-688-1546
Hydrologist Vincent J Difrenna vdifrenna@usgs.gov 570-296-7213
Hydrologic Technician W. Kevin Hadley wkhadley@usgs.gov 228-688-3267
Physical Scientist Wade J Walker walker@usgs.gov 719-562-2862
Research Hydrologist Ward Sanford wsanford@usgs.gov 703-648-5882
Hydrologist Wesley O Zell wzell@usgs.gov 703-648-5835
Willamette River Basin IWS Team Willamette River Basin IWS Team WillametteIWS@usgs.gov
Deputy Chief Operating Officer William B Blanks boyceb@usgs.gov 803-750-6157
Hydrologist William G. Seelig wseelig@usgs.gov 505-250-8091
Acting Director, Northeast Climate Adaptation Science Center William H Farmer, Ph.D. wfarmer@usgs.gov 303-236-4981
Supervisory Hydrologic Technician William J McDevitt mcdevitt@usgs.gov 813-498-5068
Scientist Emeritus William N Herkelrath wnherkel@usgs.gov 650-329-4625
Research Chemist William T Foreman wforeman@usgs.gov
Scientist Emeritus Yousif K Kharaka ykharaka@usgs.gov 650-329-4535
Information Technology Specialist Yvonne S Jenkins ygsaunde@usgs.gov 703-648-5589