Public water system

Duluth

PWSID MN1690011 - St. Louis County, Minnesota

40 PPM
2.3 GPG
Soft
0Soft60120180300+
Soft (40 PPM)Verified - Annual Water Quality Report

System Details

Water source
surface water
Population served
86,859
Service connections
28,850
Status
Active

Hardness Evidence

Reported hardness
40 PPM
Grains per gallon
2.3 GPG
Data source
Annual Water Quality Report
Source year
N/A
Raw/source estimate
76 PPM

Linked City Reports

Served ZIP Codes

ZIPLocationZIP average
55602Brimson, MNSoft (40 PPM)
55603Finland, MNSoft (40 PPM)
55607Isabella, MNSoft (40 PPM)
55609Knife River, MNSoft (40 PPM)
55613Schroeder, MNSoft (40 PPM)
55702Alborn, MNSoft (40 PPM)
55703Angora, MNSoft (40 PPM)
55705Aurora, MNSoft (40 PPM)
55706Babbitt, MNSoft (40 PPM)
55708Biwabik, MNSoft (40 PPM)
55710Britt, MNSoft (40 PPM)
55711Brookston, MNSoft (40 PPM)
55713Buhl, MNSoft (42 PPM)
55717Canyon, MNSoft (40 PPM)
55719Chisholm, MNSoft (45 PPM)
55723Cook, MNSoft (42 PPM)
55724Kelsey, MNSoft (40 PPM)
55725Crane Lake, MNSoft (40 PPM)
55731Ely, MNSoft (40 PPM)
55732Embarrass, MNSoft (40 PPM)
55734Eveleth, MNSoft (40 PPM)
55736Floodwood, MNSoft (41 PPM)
55738Forbes, MNSoft (40 PPM)
55741Gilbert, MNSoft (45 PPM)
55746Hibbing, MNSoft (40 PPM)
55750Hoyt Lakes, MNSoft (40 PPM)
55751Iron, MNSoft (40 PPM)
55752Jacobson, MNSoft (40 PPM)
55758Kinney, MNSoft (40 PPM)
55763Makinen, MNSoft (40 PPM)
55765Meadowlands, MNSoft (40 PPM)
55768Mountain Iron, MNSoft (44 PPM)
55771Buyck, MNSoft (41 PPM)
55779Saginaw, MNSoft (40 PPM)
55781Side Lake, MNSoft (40 PPM)
55782Soudan, MNSoft (40 PPM)
55787Tamarack, MNSoft (40 PPM)
55790Tower, MNSoft (42 PPM)
55792Virginia, MNSoft (40 PPM)
55796Winton, MNSoft (40 PPM)
55802Duluth, MNSoft (40 PPM)
55803Duluth, MNSoft (40 PPM)
55804Duluth, MNSoft (40 PPM)
55805Duluth, MNSoft (40 PPM)
55806Duluth, MNSoft (40 PPM)
55807Duluth, MNSoft (40 PPM)
55808Duluth, MNSoft (40 PPM)
55810Proctor, MNSoft (41 PPM)
55811Hermantown, MNSoft (42 PPM)
55812Duluth, MNSoft (40 PPM)

How to Use This System Page

A public water system can serve multiple ZIP codes and cities. Use this page to inspect the source behind the hardness reading, then open the linked ZIP or city page for the local rollup.

If you are sizing treatment equipment, confirm your actual tap hardness with a home test or lab test before buying.