Project Chief: 
Charles R. Kratzer
ckratzer@usgs.gov   (916)278-3076

Study Unit Scientist for Agricultural Chemicals Team (ACT):
Joseph Domagalski
joed@usgs.gov   (916)278-3077

Ground-water Specialist and Study Unit Scientist for Transport of Anthropogenic and Natural Contaminants Team (TANC):
Karen R. Burow-Fogg
krburow@usgs.gov   (916)278-3087

Study Unit Scientist for ACT and TANC:
Steven Phillips
sphillip@usgs.gov   (916)278-3002

GIS Specialist:
Donna Knifong
dknifong@usgs.gov   (916)278-3081

Surface-water Specialist:
Peter D. Dileanis
dileanis@usgs.gov   (916)278-3089

Biological Specialist:
Larry R. Brown
lrbrown@usgs.gov   (916)278-3098

Hydrologist:
Jennifer Shelton
jshelton@usgs.gov   (916)278-3068

Biologist:
Jason May
jasonmay@usgs.gov   (916)278-3079

Hydrologist:
Celia Zamora
czamora@usgs.gov   (916)278-3293

Hydrologist:
Dina Saleh
dsaleh@usgs.gov   (916)278-3273

Hydrologist:
Bryant Jurgens
bjurgens@usgs.gov   (916)278-3275

Hydrologic Technician:
Greg Brewster
gdbrews@usgs.gov   (916)278-3069

Physical Scientist:
Patricia von Phul
pvonphul@usgs.gov   (916)278-3110