A97/100
Columbia Heights — Water Quality Report 2026
Serving 22,278 people · Minnesota
Water Source
Purchased Surface Water
County
—
System ID
MN1020016
Violations
3
Contaminant Test Results
EPA Violation History
3
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: August 1, 2025 – August 31, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 2025 – November 21, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2025 – September 30, 2025Rule: Stage 1 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About Columbia Heights
Is Columbia Heights water safe to drink?
Columbia Heights water receives a grade of A (97/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has Columbia Heights detected?
69 contaminants were tested in Columbia Heights's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does Columbia Heights have any EPA violations?
Yes, Columbia Heights has 3 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, RPT, MR.
How many people does Columbia Heights serve?
Columbia Heights serves approximately 22,278 people, Minnesota.
What type of water does Columbia Heights provide?
Columbia Heights sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MN1020016.
How does Columbia Heights compare to other utilities in Minnesota?
Columbia Heights scores 97/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Minnesota state page for a full comparison of water systems.