A92/100
Carleton College — Water Quality Report 2026
Serving 2,485 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1660013
Violations
8
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
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, 2021 – October 19, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
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, 2021 – October 19, 2021Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 Carleton College
Is Carleton College water safe to drink?
Carleton College water receives a grade of A (92/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has Carleton College detected?
1 contaminants were tested in Carleton College's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does Carleton College have any EPA violations?
Yes, Carleton College has 8 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other.
How many people does Carleton College serve?
Carleton College serves approximately 2,485 people, Minnesota.
What type of water does Carleton College provide?
Carleton College sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1660013.
How does Carleton College compare to other utilities in Minnesota?
Carleton College scores 92/100 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.