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Hydrologic Networks and Analysis Program (HNA)

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Contact Information for Program Staff

Program Coordinator

Earl Greene
Email: eagreene@usgs.gov
Phone: 443-498-5505

Subprogram Coordinators

National Water Quality Stream Accounting Network (NASQAN)
Charles Crawford
Email: cgcrawfo@usgs.gov
Phone: 317-290-3333, ext. 176

Hydrologic Benchmark Network (HBN)
Mark Nilles
Email: manilles@usgs.gov
Phone: 303-236-1878

Monitoring Chemical Quality of Rain and Snow - National Atmospheric Deposition Program (NADP)
Mark Nilles
Email: manilles@usgs.gov
Phone: 303-236-1878

National Park Service - US Geological Survey Water Partnership
Mark Nilles
Email: manilles@usgs.gov
Phone: 303-236-1878

National Water Information System (NWIS)
Terri Moore, Acting Chief, Office of Water Information
Email: tejmoore@usgs.gov
Phone: 703-648-5014

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