A87/100
Saint Joseph — Water Quality Report 2026
Serving 7,100 people · Minnesota
Water Source
Groundwater
County
—
System ID
MN1730033
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
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 – February 4, 2025Rule: Ground Water RuleEnforcement: 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 Saint Joseph
Is Saint Joseph water safe to drink?
Saint Joseph water receives a grade of A (87/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has Saint Joseph detected?
31 contaminants were tested in Saint Joseph's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does Saint Joseph have any EPA violations?
Yes, Saint Joseph has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR, MCL. 1 are health-based violations.
How many people does Saint Joseph serve?
Saint Joseph serves approximately 7,100 people, Minnesota.
What type of water does Saint Joseph provide?
Saint Joseph sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MN1730033.
How does Saint Joseph compare to other utilities in Minnesota?
Saint Joseph scores 87/100 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.