Tap Truth EPA drinking water records, in plain English

Public water system record

St. Ignace

Serves St. Ignace, Mackinac County, MI · 2,987 people served

Federal records show 1 health-based violation and 2 monitoring/reporting issues for St. Ignace in the last ten years. The most serious issue in this window was a resolved Lead and Copper Rule violation.

  • MI0006290
  • ST. IGNACE
  • MI
  • 2,987 served

System profile

Source water Surface water
ZIP 49781
EPA system ID MI0006290

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
1
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
2

Key facts

  • St. Ignace draws water from 1 surface water intake.
  • Record on file since 1992, with 2 health-based violations before October 19, 2016.
  • Lead pipe inventory: 84 lead and 0 unknown out of 1,519 service lines.

Check whether St. Ignace serves your address

Address suggestions by Mapbox

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Lead and Copper Rule
Treatment technique failure
 350 Jan 1, 2022 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
LEAD AND COPPER RULE REVISIONS
RPT
 Jul 2, 2025 Active
CARBON, TOTAL
Monitoring and reporting
 Oct 1, 2021 Resolved

Full record since 1992

EPA's records for St. Ignace go back to 1992. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 2 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 0
2000s 0 2
2010 to October 18, 2016 1 0
2020s 1 2

Most recent health-based violation before October 19, 2016: Long Term 2 Enhanced Surface Water Treatment Rule, began June 2016, Resolved.

Show all 2 health-based violations before October 19, 2016
Contaminant Start date Status
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
 Jun 1, 2016 Resolved
Surface Water Treatment Rule
Treatment technique failure
 Jan 1, 1992 Resolved

What the violations mean

Lead and Copper Rule

1 incident

The system did not complete a treatment step or action that the Lead and Copper Rule requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

St. Ignace draws water from 1 surface water intake.

Annual water quality report

St. Ignace must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Michigan.

Certified drinking water labs by state EPA guidance for private wells