US Water Hardness Map

by

Editorial Policy

Published on

Last updated on

This map provides a general indication of the softness or hardness of regional water supply, based on calcium carbonate levels. To fully understand the makeup of your water requires further analysis of dissolved metal and salt concentrations, particularly in the context of coffee brewing and extraction. (Ion concentrations to look at include those of magnesium, calcium, bicarbonate, chloride, sodium, and potassium).

WaterMapWithKey

Check out our article on filtration options for the café for a few more ideas on how to better regulate your water supply.

Table adapted from and prepared by the United States Geological Survey.

Share This Article

Fresh Cup Staff

Join 7,000+ coffee pros and get top stories, deals, and other industry goodies in your inbox each week.

This field is for validation purposes and should be left unchanged.


Other Articles You May Like

What’s the Deal with Mushroom Coffee?

Many brands are launching new products pairing mushrooms and coffee. A look at science and history reveals what’s driving this pairing.
by Leah Bowman | September 20, 2023

What You Need to Know About Barista Certification Programs 

Barista certification programs promise to teach learners new skills and can help with career advancement. But do they fulfill that promise? 
by Valorie Clark | July 21, 2023

The Cup In Hand: How Shape and Design Affect Coffee Drinking

The shape, weight, and feel of a cup can have a significant impact on the way you experience the flavor of coffee.
by Mikey Rinaldo | March 22, 2023

The Challenges of Coffee Certifications Go Beyond The Retail Shelf

Coffee certifications can be a valuable tool for farmers and roasters—but can be cost-prohibitive and difficult to navigate. We explore the benefits and challenges of certification programs before a coffee ever reaches the shelf.
by Anne Mercer | February 24, 2023