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Public water system · MI0006580

Active

Thomas Township

At a glance

Thomas Township (PWSID MI0006580) is an active community water system in Saginaw County, Michigan. It reports serving 11,931 people through 4,627 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2001.

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

Population served

11,931

Service connections

4,627

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMI0006580
System typeCommunity water system
Activity statusActive
Population served11,931
Service connections4,627
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountySaginaw County

How does Thomas Township compare with other water systems in Saginaw County?

By EPA's size categories, Thomas Township is a large system (10,001 to 100,000 people). Saginaw County has 60 active public water systems, and Thomas Township is the 3rd-largest of them by population served. Its population served is about 4.2 times the county average of 2,828 people per system, and accounts for 7% of the 169,654 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 Thomas Township is about 78% above 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 Thomas Township?

EPA lists Thomas Township 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. 23 of the 60 active systems in Saginaw County (38%) are also owned by a local government.

Does Thomas Township have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2001. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Consumer Confidence Rule. EPA lists 1 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
2001-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

The one violation in EPA's records.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.

Thomas Township: frequently asked questions

Who runs Thomas Township?

Thomas Township (PWSID MI0006580) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does Thomas Township serve?

Thomas Township reports serving 11,931 people through 4,627 service connections in Saginaw County, Michigan.

Where does Thomas Township 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 Thomas Township have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2001. 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 Thomas Township'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 one violation for this system; it is not health-based, and the most recent began in July 2001. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find Thomas Township's water quality report?

As a community water system, Thomas Township 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 Saginaw County

Water systemCountyPopulation servedTypeSource
Saginaw, City ofSaginaw44,058CommunityPurchased surface water
Saginaw Charter TownshipSaginaw40,840CommunityPurchased surface water
Bridgeport TownshipSaginaw10,104CommunityPurchased surface water
Tittabawassee TownshipSaginaw9,227CommunityPurchased surface water
Buena Vista TownshipSaginaw8,676CommunityPurchased surface water
Carrollton TownshipSaginaw5,705CommunityPurchased 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, “Thomas Township, PWSID MI0006580, Michigan”, https://aquacensus.com/water-systems/michigan/thomas-township-mi0006580 (data as of October 1, 2026).