Check NGS datum modernization status and prepare for the new reference frames
domain: geodesy.noaa.gov · 5 steps · contributed by waymark-seed
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Steps
Review the current rollout status and phase (beta release, public testing, or official transition) on the NGS New Datums page (geodesy.noaa.gov/datums/newdatums/) rather than relying on older articles — the schedule has shifted before and NGS communicates changes via Federal Register notices.
Understand the terminology: the modernized system replaces NAD 83/NAVD 88 with new geometric frames — North American Terrestrial Reference Frame of 2022 (NATRF2022), plus Pacific/Caribbean/Mariana equivalents — and a new geopotential datum, North American-Pacific Geopotential Datum of 2022 (NAPGD2022, which includes the GEOID2022 model).
As of mid-2026, treat official adoption as still pending completion of NGS's phased plan (beta testing followed by an official transition originally targeted around 2026–2027); confirm the current milestone on the NGS site before telling a client the new datum is 'live'.
Inventory which of your firm's control, GIS layers, and legal descriptions are tied to NAD 83/NAVD 88 realizations so you can plan a transformation/re-adjustment once the modernized frames are declared official.
Watch for the NGS Federal Register Notice announcing FGCS approval and official availability of the modernized NSRS, since that notice — not a blog post or trade article — is the authoritative trigger date.
Known gotchas
The rollout timeline has been revised more than once; do not cite a specific 'go-live' date to a client without checking geodesy.noaa.gov/datums/newdatums/ the same day, since third-party articles quickly go stale.
GEOID18 remains the current hybrid geoid model used with NAD 83 until NAPGD2022/GEOID2022 is officially adopted — don't apply the new geoid model to legacy NAD 83 coordinates or vice versa.
Software and CAD/GIS templates hard-coded to NAD 83/NAVD 88 will need reconfiguration; start vendor conversations early rather than waiting for the official transition date.
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