Drinking Water Systems Reported for ZIP 55421
Columbia Heights, Minnesota — 2 water systems are associated with this ZIP in EPA service-area data
Largest Reported System
Columbia Heights
PWSID: MN1020016
3 EPA violation records in the five-year period ending June 30, 2026
C
Some recent records
TapScore compliance-history grade
Other Systems Reported for This ZIP
Hilltop
880 served1 historical record
A