Water Hardness Maine
Deals on Softeners, Whole Home Filters, Reverse Osmosis, and More

Softeners, Whole Home Filters, Reverse Osmosis, and More

Value Bundles + Limited Time Special Offers + Clearance Items... CLICK HERE TO VIEW!

COVID-19 Update September 19: We’re open and shipping all orders. Read more here.

Water Hardness Maine

Here are the water hardness values for the cities in Maine.
City AVG Hardness PPM / mg/L AVG Hardness Grains per Gallon
Portland 10 0.6
South Portland 10 0.6