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Public water system · MI0004340

Active

Michigan State University

At a glance

Michigan State University (PWSID MI0004340) is an active community water system in Ingham County, Michigan. It reports serving 12,793 people through 300 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in July 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

12,793

Service connections

300

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMI0004340
System typeCommunity water system
Activity statusActive
Population served12,793
Service connections300
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyIngham County

How does Michigan State University compare with other water systems in Ingham County?

By EPA's size categories, Michigan State University is a large system (10,001 to 100,000 people). Ingham County has 108 active public water systems, and Michigan State University is the 4th-largest of them by population served. Its population served is about 5 times the county average of 2,577 people per system, and accounts for 4.6% of the 278,352 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Michigan State University is about twice that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Michigan has 1,332 active community water systems, 13% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.

Who owns and regulates Michigan State University?

EPA lists Michigan State University as owned by a local government. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 12 of the 108 active systems in Ingham County (11%) are also owned by a local government.

Does Michigan State University have drinking water violations?

EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in July 2025. The violations listed here began between January 2004 and July 2025. By type: 2 monitoring and reporting, 1 contaminant level above the legal limit, 1 monitoring and 1 disinfectant level above the legal limit. The contaminant or rule involved most often is Combined Radium (-226 and -228) (2 of them). EPA lists 5 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Radium (-226 and -228)code 4010YesResolved
2023-07-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2023-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-04-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2004-01-01Disinfectant level above the legal limitNon-Acute MRDL · code 11Chlorine dioxidecode 1008YesResolved

All 5 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Michigan State University: frequently asked questions

Who runs Michigan State University?

Michigan State University (PWSID MI0004340) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does Michigan State University serve?

Michigan State University reports serving 12,793 people through 300 service connections in Ingham County, Michigan.

Where does Michigan State University get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Michigan State University have any drinking water violations?

EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Michigan State University's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find Michigan State University's water quality report?

As a community water system, Michigan State University must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Ingham County

Water systemCountyPopulation servedTypeSource
Lansing Board of Water & LightIngham166,000CommunityGroundwater
East Lansing, City ofIngham33,000CommunityPurchased groundwater
Meridian TownshipIngham25,600CommunityPurchased groundwater
Mason, City ofIngham8,252CommunityGroundwater
Lansing TownshipIngham5,500CommunityGroundwater
Williamston, City ofIngham3,917CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Michigan State University, PWSID MI0004340, Michigan”, https://aquacensus.com/water-systems/michigan/michigan-state-university-mi0004340 (data as of October 1, 2026).