1. NHD/WBD Stewardship Conference Stewardship of Alabama’s National Hydrography Dataset (NHD) Phillip Henderson ADECA Office of Water Resources April 14 th, 2009

2. Alabama Introduction Drought for almost 3 years Drought for almost 3 years ADECA/OWR and ADEM work closely with NHD ADECA/OWR and ADEM work closely with NHD NHD MOU signed last year (6/10/08) NHD MOU signed last year (6/10/08) Alabama’s POC is Elizabeth McCartney Alabama’s POC is Elizabeth McCartney NSDI Liaison is John Breckenridge NSDI Liaison is John Breckenridge

3. NHD Issues and Challenges Funding and staffing issues Funding and staffing issues  1 full-time staff member on NHD Complete revision underway (continual process) Complete revision underway (continual process)  3-5 months to finish complete revision per sub basin (8-digit HUC)  53 Sub basins in Alabama  13-22 years to complete

4. NHD Web Edit Tool (NHD-WET) Designed to operate in a web browser Designed to operate in a web browser Engage local (sub-stewards) stewards who will perform high resolution edits of the NHD through a web browser Engage local (sub-stewards) stewards who will perform high resolution edits of the NHD through a web browser  Vast knowledge of their hydrologic network  Grass roots effort (maintainable)  Greater participation (local stewards) Edits must be accepted or rejected by NHD State Steward for inclusion into geodatabase Edits must be accepted or rejected by NHD State Steward for inclusion into geodatabase  NHDGeoEdit tool is used by State Stewards to perform QA/QC Easy to use web interface for local stewards (sub-stewards) Easy to use web interface for local stewards (sub-stewards) NHD-WET tool is located at the State Stewardship office NHD-WET tool is located at the State Stewardship office

9. Questions? Contact Info : Contact Info : Phillip Henderson (334) 353-1038 or (334) 467-3567 Phillip.Henderson@adeca.alabama.gov