Public Water Partners

CONSTANTINE, MI · St. Joseph County

CONSTANTINE Water System

Consumer Confidence Report status

CONSTANTINE must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for CONSTANTINE.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Michigan’s official records. Always confirm current status with Michigan before making decisions based on this information.

System facts

System ID (PWSID)
MI0001600
System type
Community Water System
Population served
2,075
Service connections
665
Ownership
local government
Water source
groundwater (wells)

CONSTANTINE is one of 499 community water systems in Michigan in the 501 to 3,300 people size category, serving 2,075 people from groundwater.

As of August 1, 2026, its federal record holds 1 entry in 1988, all of which EPA lists as closed. Nothing has been added since 1988.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves inorganic chemicals.

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Nitrate

    October 1, 1988 – September 30, 1991

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is CONSTANTINE required to publish a Consumer Confidence Report?

Yes. CONSTANTINE is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is CONSTANTINE’s next Consumer Confidence Report due?

CONSTANTINE’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does CONSTANTINE have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for CONSTANTINE.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

BONTRAGER, JIM

269-435-2085

CONSTANTINE, MI 49042