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Public water system · MI0001190

Active

Caseville, City of

At a glance

City of Caseville (PWSID MI0001190) is an active community water system in Huron County, Michigan. It reports serving 777 people through 783 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2021.

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

Population served

777

Service connections

783

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDMI0001190
System typeCommunity water system
Activity statusActive
Population served777
Service connections783
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyHuron County

How does City of Caseville compare with other water systems in Huron County?

By EPA's size categories, City of Caseville is a small system (501 to 3,300 people). Huron County has 101 active public water systems. Its population served is about 140% above the county average of 324 people per system, and accounts for 2.4% of the 32,763 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 City of Caseville 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 68 Michigan systems (0.6%) list surface water as their primary source.

Who owns and regulates City of Caseville?

EPA lists City of Caseville 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. 15 of the 101 active systems in Huron County (15%) are also owned by a local government.

Does City of Caseville have drinking water violations?

EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2021. The violations listed here began between July 2001 and July 2021. By type: 3 contaminant level above the legal limit, 2 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (3 of them). EPA lists 6 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
2021-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2018-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2017-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2017-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2016-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2001-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

All 6 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.

City of Caseville: frequently asked questions

Who runs City of Caseville?

City of Caseville (PWSID MI0001190) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does City of Caseville serve?

City of Caseville reports serving 777 people through 783 service connections in Huron County, Michigan.

Where does City of Caseville get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does City of Caseville have any drinking water violations?

EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2021. 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 City of Caseville'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 6 violations for this system; 3 are health-based, and the most recent began in July 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find City of Caseville's water quality report?

As a community water system, City of Caseville 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 Huron County

Water systemCountyPopulation servedTypeSource
Bad AxeHuron3,129CommunityPurchased surface water
Caseville TownshipHuron2,005CommunityPurchased surface water
Sebewaing Light & WaterHuron1,721CommunityGroundwater
Harbor Beach, City ofHuron1,604CommunitySurface water
Pigeon, Village ofHuron1,208CommunityPurchased surface water
Port Hope-Gore-Rubicon U. A.Huron1,058CommunityPurchased surface water

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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, “Caseville, City of, PWSID MI0001190, Michigan”, https://aquacensus.com/water-systems/michigan/caseville-city-of-mi0001190 (data as of October 1, 2026).