How hard is my water?
Soft Water...............less than 1 grain per gallon
Slightly Hard..................1 to 3 grains per gallon
Moderately Hard............3 to 7 grains per gallon
Hard Water..................7 to 10 grains per gallon
Extremely Hard............over 10 grains per gallon
Average Hardness of local Municipal "City" Water Supplies:
Apple Valley 20 gpg
Bloomington 5 gpg
Brooklyn Park 21 gpg
Burnsville 22-25 gpg
Chanhassen 19 gpg
Chaska 23 gpg
Cologne 18 gpg
Cottage Grove 17 gpg
Crystal 5 gpg
Eagan 17 gpg
Eden Praire 6 gpg
Edina 17 gpg
Elk River 18 gpg
Elko New Market 25-26 gpg
Farmington 16 gpg
Forest Lake 17 gpg
Fridley 16 gpg
Hopkins 18 gpg
Inver Grove Heights 20 gpg
Jordan 16 gpg
Lakeville 17 gpg
Maple Grove 19 gpg
Minnetonka 19 gpg
Minneapolis 5 gpg
New Hope 5 gpg
New Prague 20 gpg
Northfield 24 gpg
Oakdale 15 gpg
Plymouth 24 gpg
Prior Lake 19 gpg
Rosemount 17 gpg
St Louis Park 18 gpg
St Paul 4 gpg
Savage 23 gpg
Shakopee 23 gpg
Shorewood 18 gpg
Stillwater 14 gpg
Waconia 18 gpg
Wayzata 20 gpg
White Bear 14 gpg
Woodbury 17 gpg
Wyoming 18 gpg
Example of hard water residue left from one gallon of water at 20 grains of hardness.
Copyright 2012 Dakota Water Treatment of Minnesota, Inc.:Water Treatment Minnesota. All Rights Reserved.
17484 Goodland Path, Lakeville, MN
(952) 953-4643 | dakotawater@charter.net
Licensed, Bonded, Insured
MN lic. #424WC
Sales & Support Hours:
8am - 8pm Mon- Friday
8am - 2pm Saturday
952.953.4643
Proudly Serving Minnesota and the Twin Cities Metro Area Since 1993
Lakeville, Minnesota
(952) 953-4643
Professional and friendly sales and service
Dakota Water Treatment
of Minnesota, Inc.
Licensed, Bonded, Insured
MN lic. #WM062351
Annual Drinking Water Reports
Eliminate hard water problems with a
