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Cooperative Extension: Food & Health


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Food Preservation - Elevation by County

When canning above 1,000 feet, you must adjust the processing times when using a boiling water bath canner or a pressure canner. Because water boils at a lower temperature at higher elevations, using the processing times for lower elevations may result in underprocessed food that is not safe for long term storage. Consult the National Center for Home Food Preservation to find altitude adjustments for processing times.

To find the elevation of your town, consult the elevation charts by county below.

Androscoggin
Aroostook
Cumberland
Franklin
Hancock
Kennebec
Knox
Lincoln
Oxford
Penobscot
Piscataquis
Sagadahoc
Somerset
Waldo
Washington
York

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University of Maine Cooperative Extension


Contact Information

Cooperative Extension: Food & Health
5741 Libby Hall
Orono, Maine 04469-5741
Phone: 207.581.3188, 800.287.0274 (in Maine) or 800.287.8957 (TDD)E-mail: extension@maine.edu
The University of Maine
Orono, Maine 04469
207.581.1110
A Member of the University of Maine System