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Public water system · MI0001790

Active

Charter Township of Delta

At a glance

Charter Township of Delta (PWSID MI0001790) is an active community water system in Eaton County, Michigan. It reports serving 21,856 people through 27,893 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

21,856

Service connections

27,893

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDMI0001790
System typeCommunity water system
Activity statusActive
Population served21,856
Service connections27,893
Primary water sourcePurchased groundwater
Owner typeLocal government
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyEaton County

How does Charter Township of Delta compare with other water systems in Eaton County?

By EPA's size categories, Charter Township of Delta is a large system (10,001 to 100,000 people). Eaton County has 103 active public water systems, and Charter Township of Delta is the largest of them by population served. Its population served is about 33 times the county average of 659 people per system, and accounts for 32% of the 67,916 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 Charter Township of Delta is about 3.3 times 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 42 Michigan systems (0.4%) list purchased groundwater as their primary source.

Who owns and regulates Charter Township of Delta?

EPA lists Charter Township of Delta 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. 9 of the 103 active systems in Eaton County (8.7%) are also owned by a local government.

Does Charter Township of Delta have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Charter Township of Delta. For the latest compliance status, check EPA ECHO for current compliance history.

Charter Township of Delta: frequently asked questions

Who runs Charter Township of Delta?

Charter Township of Delta (PWSID MI0001790) is a community water system owned by a local government. It is regulated by the MI state drinking water program.

How many people does Charter Township of Delta serve?

Charter Township of Delta reports serving 21,856 people through 27,893 service connections in Eaton County, Michigan.

Where does Charter Township of Delta get its water?

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

Does Charter Township of Delta have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Charter Township of Delta'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 Safe Drinking Water Act records list no violations for this system. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.

Where can I find Charter Township of Delta's water quality report?

As a community water system, Charter Township of Delta 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 Eaton County

Water systemCountyPopulation servedTypeSource
Charlotte, City ofEaton9,074CommunityGroundwater
Grand Ledge, City ofEaton8,701CommunityGroundwater
Eaton Rapids, City ofEaton5,340CommunityGroundwater
Potterville, City ofEaton2,617CommunityGroundwater
Olivet, City ofEaton1,758CommunityGroundwater
Bellevue, Village ofEaton1,282CommunityGroundwater

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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, “Charter Township of Delta, PWSID MI0001790, Michigan”, https://aquacensus.com/water-systems/michigan/charter-township-of-delta-mi0001790 (data as of October 1, 2026).