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Public safety: address corrections driven by NG9‑1‑1 standards, county has made roughly 50 changes since 2021
Summary
Calvert County Emergency Communications told the Planning Commission that aligning address points with Next Generation 9‑1‑1 standards motivated recent addressing corrections and that the county's systems can alias old addresses when changes occur.
Division Chief Stanley Harris of Calvert County Emergency Communications explained to the Planning Commission that the county is undertaking a multi-year effort to clean up GIS address data to meet Next Generation 9‑1‑1 (NG9‑1‑1) requirements.
“This has been a part of a larger push to clean up the GIS data within Calvert County, and it's to align the GIS data with the next generation 9 1 1 standards,” Harris said. He told commissioners the county has made about 50 address changes since 2021 of the type proposed for the Jones property and that its computer-aided dispatch (CAD) system and in-vehicle systems rely on authoritative GIS centerline ranges.
Harris said when staff identify an address that does not fall within the proper centerline range the addressing code requires the county to correct it; when changes are made, staff notify about 15 agencies (postal service and utilities among them) and can alias prior addresses to the new address within CAD so calls using the old number resolve to the updated address. Harris also acknowledged the administrative and personal burdens on residents asked to update records and said the county does not provide direct compensation for those burdens; residents retain an administrative appeal process if they disagree with a change.
Commissioners weighed resident hardship against the operational need for accurate GIS data; in the Jones case the commission granted the appeal and the county will not change the Jones address absent future legal action.
