ADDISON

PWSID: MI0000030 · Addison, MI · Serves 605 people

According to EPA Safe Drinking Water Information System (SDWIS), ADDISON (PWSID MI0000030) in Addison, MI is listed as a CWS water system covering about 605 people. The same extract lists 14 health-based violation records spanning 2018-2025. Those 14 health-based rows for ADDISON cover contaminants such as Arsenic; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

ADDISON has 14 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
605
Health-Based Violation Records
14
Distinct Contaminant Codes
1
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. 1 distinct EPA contaminant code appears in this system's record, including Arsenic. Recorded violations span 2018–2025. 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)
MI0000030
System Type
CWS
Water Source
Groundwater
Location
Addison, MI
Population Served
605
Health Violations
Yes (14)

What contaminants are in this water system?

Contaminant Violations Health-Based
Arsenic 14 14

Violation History (14)

Contaminant Health Date
Arsenic Yes Apr 1, 2025
Arsenic Yes Apr 1, 2025
Arsenic Yes Apr 1, 2025
Arsenic Yes Jan 1, 2025
Arsenic Yes Jan 1, 2025
Arsenic Yes Jan 1, 2025
Arsenic Yes Oct 1, 2024
Arsenic Yes Oct 1, 2024
Arsenic Yes Oct 1, 2024
Arsenic Yes Oct 1, 2024
Arsenic Yes Jul 1, 2024
Arsenic Yes Jul 1, 2024
Arsenic Yes Jul 1, 2024
Arsenic Yes Oct 1, 2018

Frequently Asked Questions

What does EPA SDWIS list for ADDISON?
ADDISON has 14 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 ADDISON serve?
ADDISON serves 605 people in Addison, MI. It is classified as a CWS water system.
What violations does ADDISON have?
ADDISON has 14 health-based violation records in PlainEnviro's extract spanning 2018–2025. Monitoring and reporting records are not included.
What contaminants have been found in ADDISON water?
Violations have been recorded for 1 contaminant. The most frequent: Arsenic.

Compare beyond Michigan

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest ADDISON on cumulative violation count (14) and EPA-reported population served (605). Violation-count peers include URIAH HEEPS SPRING WATER SYSTEM, Point Arena Rancheria, UNIVERSITY OF ALASKA - FAIRBANKS. Population peers include BIGELOW WATERWORKS, DUNCAN TOWN OF, LA CASITA WATER COMPANY 3.

About This Data

ADDISON (MI0000030) is drawn from EPA SDWIS. Nearby county systems in this extract include ADRIAN; TECUMSEH; MADISON TOWNSHIP; BLISSFIELD. Health-based rows (14 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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