OMB control number
HydroAdd3d
OMB 1028-0129 ยท DOI/GS.
OMB 1028-0129
The Hydrography Addressing Tool (HydroAdd Tool) is a website being developed by the USGS National Geospatial Program, National Geospatial Technical Operations Center which will allow users to reference stream network-specific geographic locations, also known as addressing, of their own data to the National Hydrography Dataset (NHD). Users must make their geospatial data available as a web feature service.
The latest form for HydroAdd3d expires 2026-07-31 and is listed under ICR 202003-1028-003.
Latest Forms, Documents, and Supporting Material
| Document | Type |
|---|---|
 Published 30 Day Notice - 1028-0129 - 90 FR 7155 - 01212025.pdf | Supplementary Document |
 Sample Supporting Statement A_HydroAdd3d_v5.docx | Supporting Statement A |
| HydroAdd3D Published 60-Day 89 FR 79945 10-1-2024.pdf | Supplementary Document |
| circular-A-16.pdf | Supplementary Document |
| Executive Order 12906.pdf | Supplementary Document |
 Hydro Add Tool - Register, Browse, and Complete Edits |
Other-Workflow |
All Historical Document Collections
| Reference | Filing | Received | Concluded | Action |
|---|---|---|---|---|
| 202411-1028-001 | Revision of a currently approved collection | 2025-01-21 | ||
| 202003-1028-003 | New collection (Request for a new OMB Control Number) | 2021-08-30 | Approved with change |