National Water-Quality Assessment (NAWQA) Program
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| Staff member | Role | Location | Phone | |
| Neil Dubrovsky | Project Chief | Sacramento, CA | 916-278-3078 | nmdubrov@usgs.gov |
| Karen Burow | Ground-water Specialist | Sacramento, CA | 916-278-3087 | krburow@usgs.gov |
| JoAnn Gronberg | Geographic Information Systems | Menlo Park, CA | 650-329-4423 | jmgronbe@usgs.gov |
| Tom Nolan | Hydrologist | Reston, VA | 703-648-5666 | btnolan@usgs.gov |
| Norm Spahr | Surface-water Specialist | Lakewood, CO | 303-236-6920 | nspahr@usgs.gov |
| Lori Sprague | Surface-water Specialist | Lakewood, CO | 303-236-6921 | lsprague@usgs.gov |
| Reston | Lakewood | Sacramento | Menlo Park |
| NAWQA Nutrients National Synthesis | NAWQA Nutrients National Synthesis | NAWQA Nutrients National Synthesis | NAWQA Nutrients National Synthesis |
| U.S. Geological Survey | U.S. Geological Survey | U.S. Geological Survey | U.S. Geological Survey |
| 413 National Center | Bldg 53 Denver Federal Center | Placer Hall | Bldg 15, McKelvey Bldg |
| 12201 Sunrise Valley Drive | Mail Stop 415, Box 25046 | 6000 J Street | 345 Middlefield Rd |
| Reston, VA 20192 | Lakewood, CO 80225 | Sacramento, CA 95819-6129 | Menlo Park, CA 94025 |