Skip to content
AquaCensus

Public water system · MI0000300

Active

Auburn

At a glance

Auburn (PWSID MI0000300) is an active community water system in Bay County, Michigan. It reports serving 2,087 people through 934 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 2023.

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

Population served

2,087

Service connections

934

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMI0000300
System typeCommunity water system
Activity statusActive
Population served2,087
Service connections934
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyMI state drinking water program
City servedAuburn
StateMichigan
ZIP—
CountyBay County

How does Auburn compare with other water systems in Bay County?

By EPA's size categories, Auburn is a small system (501 to 3,300 people). Bay County has 29 active public water systems. Its population served is about 39% below the county average of 3,416 people per system, and accounts for 2.1% of the 99,076 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 Auburn is well below 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 262 Michigan systems (2.5%) list purchased surface water as their primary source.

Who owns and regulates Auburn?

EPA lists Auburn 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. 21 of the 29 active systems in Bay County (72%) are also owned by a local government.

Does Auburn have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 2023. The violations listed here began between January 2018 and July 2023. By type: 6 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (3 of them). EPA lists 8 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
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2023-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2023-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2021-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2020-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2020-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2018-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved
2018-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved

All 8 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.

Auburn: frequently asked questions

Who runs Auburn?

Auburn (PWSID MI0000300) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does Auburn serve?

Auburn reports serving 2,087 people through 934 service connections in Bay County, Michigan.

Where does Auburn get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Auburn have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in July 2023. 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 Auburn'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 8 violations for this system; none is health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find Auburn's water quality report?

As a community water system, Auburn 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 Bay County

Water systemCountyPopulation servedTypeSource
Bay City, City ofBay32,255CommunityPurchased surface water
Bangor TownshipBay11,999CommunityPurchased surface water
Hampton TownshipBay9,652CommunityPurchased surface water
Bay Co. Dept of Water & SewerBay8,465CommunityPurchased surface water
Williams TownshipBay5,444CommunityPurchased surface water
Monitor TownshipBay5,217CommunityPurchased surface water

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Auburn, PWSID MI0000300, Michigan”, https://aquacensus.com/water-systems/michigan/auburn-mi0000300 (data as of October 1, 2026).