Public Water Partners

COLOMA, MI · Berrien County

COLOMA Water System

Consumer Confidence Report status

COLOMA 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 COLOMA.

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)
MI0001530
System type
Community Water System
Population served
1,555
Service connections
440
Ownership
local government
Water source
groundwater (wells)

COLOMA is one of 499 community water systems in Michigan in the 501 to 3,300 people size category, serving 1,555 people from groundwater.

As of August 1, 2026, its federal record holds 31 entries between 2017 and 2021, all of which EPA lists as closed. Nothing has been added since 2021.

All 31 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves synthetic organic chemicals, volatile organic chemicals, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.

Violation history

  • Monitoring and Reporting (DBP)

    —

    TTHM

    September 1, 2021 – August 31, 2022

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    September 1, 2021 – August 31, 2022

    Resolved

  • Lead Consumer Notice

    —

    Lead and Copper Rule

    December 30, 2018 – February 4, 2019

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    BHC-GAMMA

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Methoxychlor

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Toxaphene

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    OXAMYL

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Picloram

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Dinoseb

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Hexachlorocyclopentadiene

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfoxide

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Carbofuran

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Atrazine

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    LASSO

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Heptachlor

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Heptachlor epoxide

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    2,4-D

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    2,4,5-TP

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Pentachlorophenol

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Chlordane

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Combined Radium (-226 and -228)

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Aldicarb sulfone

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2017 – March 31, 2017

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2017 – March 31, 2017

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Common questions

Is COLOMA required to publish a Consumer Confidence Report?

Yes. COLOMA 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 COLOMA’s next Consumer Confidence Report due?

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

Does COLOMA have any open drinking water violations on record?

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

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

SCHREIER, JENNIFER

269-468-6606

COLOMA, MI 49038