Public water system record

Village of Thompsonville

Serves Thompsonville, Benzie County, MI · 438 people served

Federal records show 3 health-based violations and 4 monitoring/reporting issues for Village of Thompsonville in the last ten years. The most serious issue in this window was a Lead and Copper Rule violation that EPA lists as archived, not resolved.

  • MI0006590
  • THOMPSONVILLE
  • MI
  • 438 served

System profile

Source water Groundwater
ZIP 49683
EPA system ID MI0006590

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
2
Unresolved
0
Archived by EPA
1
Any acute record
No
Monitoring issues, last 10 years
4

Key facts

  • Village of Thompsonville draws water from 3 wells.
  • Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit), 2022.
  • Most recent formal enforcement: compliance order (no penalty) by Michigan, April 2023.
  • Record on file since 2000, with 0 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 170 unknown out of 256 service lines.

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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 Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Oct 1, 2022 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
220 Jul 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
Haloacetic Acids (HAA5)
Monitoring and reporting
Jul 1, 2021 Resolved
Total Trihalomethanes (TTHMs)
Monitoring and reporting
Jul 1, 2021 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2019 Resolved

Full record since 2000

EPA's records for Village of Thompsonville go back to 2000. Before October 19, 2016 they list no health-based violations and 8 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
2000s 0 8
October 19, 2016 to 2019 0 1
2020s 3 3

Enforcement actions

Michigan regulators took 3 formal enforcement actions against Village of Thompsonville between 2002 and 2023. The most recent was a compliance order (no penalty) in April 2023.

Date By Action Violations covered
Apr 13, 2023 Michigan Compliance order (no penalty) 2 violations (2 health-based): Haloacetic Acids (HAA5)
Jul 24, 2002 Michigan Administrative penalty 1 violation: Miscellaneous Other Rules
May 6, 2002 Michigan Administrative penalty 1 violation: Lead and Copper Rule

What the violations mean

Haloacetic Acids (HAA5)

2 incidents

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

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

Village of Thompsonville draws water from 3 wells.

Annual water quality report

Village of Thompsonville 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.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Village of Thompsonville for a copy.

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.