OMB control number

Hydrography Maintenance Portal (HMP)

OMB 1028-0143 · DOI/GS.

OMB 1028-0143

The Hydrography Maintenance Portal (HMP) is a website used by editors to ‘check out’ hydrography data from the National Hydrography Dataset (NHD). Editors can update the checked out data using a geographic information system (GIS), and subsequently check the data back into the official version of the NHD managed at the USGS after editing.

The latest form for Hydrography Maintenance Portal (HMP) expires 2027-04-30 and can be found here.

Latest Forms, Documents, and Supporting Material

Document Name
30 Day FRN - Hydro Maintenance Portal Published.pdf Supplementary Document
30 Day FRN - Hydro Maintenance Portal Published.pdf Supplementary Document
Instrument- Workflow for Hydrography Maintenance Portal.pdf Supplementary Document
Instrument- Workflow for Hydrography Maintenance Portal.pdf Supplementary Document
1028-NEW SSA Hydro Maintenance Portal -dcdh6282021.docx Supporting Statement A
1028-NEW SSA Hydro Maintenance Portal -dcdh6282021.docx Supporting Statement A
EO 12906 Coordinating Geographic Data Access.pdf Supplementary Document
EO 12906 Coordinating Geographic Data Access.pdf Supplementary Document
circular-A-16.pdf Supplementary Document
circular-A-16.pdf Supplementary Document
1028-New 60-day Hydro Maint 2020-12-11.pdf Supplementary Document
1028-New 60-day Hydro Maint 2020-12-11.pdf Supplementary Document
Hydro Maintenance Portal Other- Instrument

All Historical Document Collections

202003-1028-002

Approved without change

Existing collection in use without an OMB Control Number

2021-09-08