Please visit the MD iMap LiDAR Downloads page to download the entire Frederick County dataset in ESRI Grid format. Click on the Download Pre-Defined DEMs link to access metadata, .ovr pyramids, and bare earth DEMs.
For smaller areas, click on the index map below to initiate download of a zipped file in TIF format.
This data is provided in:
Horizontal Datum: NAD83 State Plane Meters
Vertical Datum: NAVD88
Projection: UTM Zone 18N
Meets or exceeds NSSDA requirements of vertical accuracy RMSE z 12.5cm, Accuracy z 24.5cm
If you have any questions, please contact Enterprise GIS via email or by phone at (301) 600-0077.
To sign up for email or text notifications about updates to our download data and web mapping applications, please go to the NotifyMe page and subscribe to the GIS/ Mapping list.
While efforts have been made to ensure the accuracy of this data, Frederick County accepts no liability or responsibility for errors, omissions, or positional inaccuracies in the content of this data. Reliance on this data is at the risk of the user. The data is for illustrated purposes only and should not be used for surveying, engineering, or site-specific analysis.
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