B79/100
ST. IGNACE — Water Quality Report 2026
Serving 2,987 people · Michigan
Water Source
Surface Water
County
—
System ID
MI0006290
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Public notification violation
When: January 1, 2022 – June 30, 2022Rule: Ground Water RuleEnforcement: 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: October 1, 2021 – December 31, 2021Rule: Stage 1 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 ST. IGNACE
Is ST. IGNACE water safe to drink?
ST. IGNACE water receives a grade of B (79/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ST. IGNACE detected?
1 contaminants were tested in ST. IGNACE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ST. IGNACE have any EPA violations?
Yes, ST. IGNACE has 6 EPA violation(s) on record, with the most recent in 2022. Violation types include TT, MR, Other. 3 are health-based violations.
How many people does ST. IGNACE serve?
ST. IGNACE serves approximately 2,987 people, Michigan. The system provides water to 1 community: St. Ignace.
What type of water does ST. IGNACE provide?
ST. IGNACE sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is MI0006290.
How does ST. IGNACE compare to other utilities in Michigan?
ST. IGNACE scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Michigan state page for a full comparison of water systems.