THOMPSONVILLE, VILLAGE OF

PWSID: MI0006590 · Thompsonville, MI · Serves 438 people

According to EPA Safe Drinking Water Information System (SDWIS), THOMPSONVILLE, VILLAGE OF (PWSID MI0006590) in Thompsonville, MI is listed as a CWS water system covering about 438 people. The same extract lists 8 health-based violation records spanning 2022-2025. Those 8 health-based rows for THOMPSONVILLE, VILLAGE OF cover contaminants such as Total Haloacetic Acids (HAA5), Lead and Copper Rule; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

THOMPSONVILLE, VILLAGE OF has 8 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
438
Health-Based Violation Records
8
Distinct Contaminant Codes
2
Source Type
Groundwater

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Total Haloacetic Acids (HAA5), Lead and Copper Rule. Recorded violations span 2022–2025. Day-to-day primacy enforcement for this system runs through the Michigan drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Michigan state drinking-water program's public portal.

System Details

EPA ID (PWSID)
MI0006590
System Type
CWS
Water Source
Groundwater
Location
Thompsonville, MI
Population Served
438
Health Violations
Yes (8)

What contaminants are in this water system?

Contaminant Violations Health-Based
Total Haloacetic Acids (HAA5) 7 7
Lead and Copper Rule 1 1

Violation History (8)

Contaminant Health Date
Lead and Copper Rule Yes Jul 1, 2025
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Oct 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022
Total Haloacetic Acids (HAA5) Yes Jul 1, 2022

Frequently Asked Questions

What does EPA SDWIS list for THOMPSONVILLE, VILLAGE OF?
THOMPSONVILLE, VILLAGE OF has 8 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does THOMPSONVILLE, VILLAGE OF serve?
THOMPSONVILLE, VILLAGE OF serves 438 people in Thompsonville, MI. It is classified as a CWS water system.
What violations does THOMPSONVILLE, VILLAGE OF have?
THOMPSONVILLE, VILLAGE OF has 8 health-based violation records in PlainEnviro's extract spanning 2022–2025. Monitoring and reporting records are not included.
What contaminants have been found in THOMPSONVILLE, VILLAGE OF water?
Violations have been recorded for 2 contaminants. The most frequent: Total Haloacetic Acids (HAA5), Lead and Copper Rule.

Compare beyond Michigan

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest THOMPSONVILLE, VILLAGE OF on cumulative violation count (8) and EPA-reported population served (438). Violation-count peers include Mashantucket Pequot Water System, San Ildefonso Pueblo, TOWAOC WATER SYSTEM.

About This Data

THOMPSONVILLE, VILLAGE OF (MI0006590) is drawn from EPA SDWIS. Nearby county systems in this extract include FRANKFORT, CITY OF; INTERLOCHEN CENTER FOR THE ARTS; CRYSTAL MOUNTAIN RESORT & SPA; BENZONIA VILLAGE OF. Health-based rows (8 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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