Public water system record

Portage Township

Serves Dodgeville and Atlantic Mine, Houghton County, MI · 1,214 people served

Federal records show no health-based violations and 26 monitoring/reporting issues for Portage Township in the last ten years.

  • MI0003330
  • HOUGHTON
  • MI
  • 1,214 served

System profile

Source water Purchased groundwater
ZIP 49931
EPA system ID MI0003330

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
26

Key facts

  • Portage Township buys its water from Adams Township and Houghton.
  • Most recent formal enforcement: administrative penalty by Michigan, January 2023.
  • Record on file since 1991, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 269 unknown out of 543 service lines.

Check whether Portage Township 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.

None since October 2016.

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 Resolved
Chlorine
Monitoring and reporting
Nov 1, 2024 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 11, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 11, 2022 Resolved
Revised Total Coliform Rule
RPT
Oct 11, 2022 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Oct 11, 2021 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2020 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 11, 2020 Resolved
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 11, 2020 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2019 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2019 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Jan 1, 2019 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jan 1, 2019 Resolved
Revised Total Coliform Rule
Monitoring violation
May 1, 2018 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2017 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2017 Resolved
Haloacetic Acids (HAA5)
Monitoring and reporting
Sep 1, 2016 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Sep 1, 2016 Resolved

Full record since 1991

EPA's records for Portage Township go back to 1991. Before October 19, 2016 they list no health-based violations and 10 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 6
2000s 0 2
2010 to October 18, 2016 0 2
October 19, 2016 to 2019 0 11
2020s 0 13

Enforcement actions

Michigan regulators took 6 formal enforcement actions against Portage Township between 2018 and 2023. The most recent was an administrative penalty in January 2023.

Date By Action Violations covered
Jan 31, 2023 Michigan Administrative penalty 1 violation: Lead and Copper Rule
Dec 22, 2021 Michigan Administrative penalty 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Oct 29, 2020 Michigan Administrative penalty 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Oct 4, 2019 Michigan Administrative penalty 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Nov 16, 2018 Michigan Administrative penalty 2 violations: Total Trihalomethanes (TTHMs), Haloacetic Acids (HAA5)
Jun 29, 2018 Michigan Administrative penalty 1 violation: Revised Total Coliform Rule

Where the water comes from

Portage Township buys its water from Adams Township and Houghton. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Portage Township 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.