National Soil Information System (NASIS)
NASIS is for USDA internal use only. See Frequently Asked Questions for more information. Access to official National Cooperative Soil Survey (NCSS) data is available on the Web Soil Survey and does not require a NASIS account.
- User Guides
- Frequently Asked Questions
– Information about NASIS accounts
- NASIS Database Metadata
- NASIS 7.3.4 to NASIS 7.4.1 Database Model Changes
For more information about NASIS, send email to SoilsHotline@usda.gov or call the National Soil Survey Center at 402-437-5378 or 402-437-5379.
Please contact us if you see something that needs to be updated, if you have any questions, or if you need accessibility assistance.