Eaton County, Michigan — public water systems
At a glance
103 active public water systems are filed under Eaton County, Michigan in EPA's SDWIS records, together reporting 67,916 people served. The largest is Charter Township of Delta, which reports serving 21,856 people. 16 are community water systems serving people where they live; the other 87 are non-community systems, such as schools, workplaces, campgrounds and gas stations with their own supply.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
103
Population served
67.9K
Community systems
16
Groundwater share
100%
How does Eaton County compare with other Michigan counties?
Eaton County has the 40th-most active public water systems among the 131 counties listed for active Michigan systems in EPA records; among the 88 with 3 or more systems, the median has 92. Its systems report 67,916 people served in total, the 21st-largest county figure in the state and 0.8% of the statewide total. The average system here reports serving 659 people, about 22% below the Michigan average of 847. Population figures are what each system reports; people served by more than one system, such as a wholesaler and the town that buys from it, are counted by each.
Where does Eaton County's drinking water come from?
By primary water source, Eaton County's active systems draw on groundwater (102, 99%) and purchased groundwater (1, 1%). Overall, all rely mainly on groundwater (including purchased groundwater) and none on surface water, compared with 97% and 3.1% across Michigan. Groundwater means the system draws its water from wells or springs fed by underground aquifers. The county's largest system, Charter Township of Delta, draws primarily on purchased groundwater.
What kinds of water systems operate in Eaton County?
Eaton County's active systems break down as 16 community systems (16%), 18 non-transient non-community systems (17%) and 69 transient non-community systems (67%). 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. A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. EPA lists their owner types as private (91%) and local government (8.7%).
The 50 largest water systems in Eaton County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Charter Township of Delta | Eaton | 21,856 | Community | Purchased groundwater |
| 2 | Charlotte, City of | Eaton | 9,074 | Community | Groundwater |
| 3 | Grand Ledge, City of | Eaton | 8,701 | Community | Groundwater |
| 4 | Eaton Rapids, City of | Eaton | 5,340 | Community | Groundwater |
| 5 | Potterville, City of | Eaton | 2,617 | Community | Groundwater |
| 6 | Olivet, City of | Eaton | 1,758 | Community | Groundwater |
| 7 | Bellevue, Village of | Eaton | 1,282 | Community | Groundwater |
| 8 | Hayes Middle School | Eaton | 898 | Non-transient non-community | Groundwater |
| 9 | Quality Dairy Company | Eaton | 895 | Transient non-community | Groundwater |
| 10 | Maple Valley Jr & Sr Hs | Eaton | 790 | Non-transient non-community | Groundwater |
| 11 | Vermontville, Village of | Eaton | 780 | Community | Groundwater |
| 12 | Dimondale Express | Eaton | 780 | Transient non-community | Groundwater |
| 13 | Windsor Estates | Eaton | 718 | Community | Groundwater |
| 14 | Sunfield, Village of | Eaton | 680 | Community | Groundwater |
| 15 | Grand Ledge Pub Schls-Operations Bldg | Eaton | 563 | Non-transient non-community | Groundwater |
| 16 | Dimondale Elementary School | Eaton | 455 | Non-transient non-community | Groundwater |
| 17 | Charlotte Assembly of God | Eaton | 400 | Transient non-community | Groundwater |
| 18 | Eaton Green Estates Subdivision | Eaton | 363 | Community | Groundwater |
| 19 | The English Inn South Well | Eaton | 300 | Transient non-community | Groundwater |
| 20 | Liberty Church | Eaton | 300 | Transient non-community | Groundwater |
| 21 | The English Inn Banquet | Eaton | 300 | Transient non-community | Groundwater |
| 22 | Morninglory Cafe | Eaton | 300 | Transient non-community | Groundwater |
| 23 | Charlotte Moose Lodge | Eaton | 300 | Transient non-community | Groundwater |
| 24 | Mt. Hope Park | Eaton | 300 | Transient non-community | Groundwater |
| 25 | The Northfork Estate | Eaton | 299 | Transient non-community | Groundwater |
| 26 | Hidden Creek Farms | Eaton | 250 | Transient non-community | Groundwater |
| 27 | Sundance Chevrolet | Eaton | 250 | Non-transient non-community | Groundwater |
| 28 | Island City Academy | Eaton | 246 | Non-transient non-community | Groundwater |
| 29 | Grand Pointe Subdivision | Eaton | 219 | Community | Groundwater |
| 30 | Windmill Truck Stop | Eaton | 200 | Transient non-community | Groundwater |
| 31 | Adesa Auto Auction | Eaton | 200 | Non-transient non-community | Groundwater |
| 32 | Funtyme Adventure Parks | Eaton | 200 | Transient non-community | Groundwater |
| 33 | Auto Kiniton | Eaton | 200 | Non-transient non-community | Groundwater |
| 34 | Thrive Church | Eaton | 200 | Transient non-community | Groundwater |
| 35 | Char Lanes Inc. | Eaton | 200 | Transient non-community | Groundwater |
| 36 | Robin'S Nest | Eaton | 200 | Transient non-community | Groundwater |
| 37 | Dimondale Health Care Center | Eaton | 177 | Community | Groundwater |
| 38 | Faith Assembly of God-Olivet | Eaton | 175 | Transient non-community | Groundwater |
| 39 | Hi-Way Mobile Haven | Eaton | 168 | Community | Groundwater |
| 40 | Olivet Assembly of God | Eaton | 160 | Transient non-community | Groundwater |
| 41 | Oneida Gospel Church | Eaton | 150 | Transient non-community | Groundwater |
| 42 | Ledge Meadows Golf Course | Eaton | 150 | Transient non-community | Groundwater |
| 43 | Swede'S Restaurant | Eaton | 150 | Transient non-community | Groundwater |
| 44 | Sunfield United Brethren Church | Eaton | 150 | Transient non-community | Groundwater |
| 45 | Fox Memorial Park | Eaton | 150 | Transient non-community | Groundwater |
| 46 | Willow Wood Farm | Eaton | 150 | Transient non-community | Groundwater |
| 47 | Church of the Nazarene-Eaton Rapids | Eaton | 135 | Transient non-community | Groundwater |
| 48 | Bellevue Ttcm Campground | Eaton | 125 | Transient non-community | Groundwater |
| 49 | Bellevue Conservation Club | Eaton | 125 | Transient non-community | Groundwater |
| 50 | Shady Green Pasture Bible Camp | Eaton | 125 | Transient non-community | Groundwater |
All other water systems in Eaton County (53)
The remaining active systems filed under Eaton County, largest first, with the population each reports serving.
- Blue Water Village Well Site, LLC114
- Degroot'S Pine Lake Resort-Campground100
- Degroot'S Pine Lake Resort-Cabin Store100
- Lake Alliance Park - Baseball Complex100
- Thornapple Acres100
- Mid Michigan Camping LLC100
- Delta Mills Early Childhood Ctr100
- J. L. Roadhouse100
- Centennial Acres, Inc..100
- Lake Alliance Park - Softball Complex100
- First Presbyterian Church-Dimondale100
- Dollar General - Charlotte95
- Kingdom Hall of Jehovah'S Witnesses90
- Miars Investments90
- Church of the Nazarene-Grand Ledge90
- Chester Gospel Church85
- Terry'S Woodbury Cafe75
- Eaglemonk Pub & Brewery75
- Farmer'S Steakhouse & Tavern75
- Capital Area Community Services75
- Autoport, Ltd Main75
- Autoport, Ltd (Wrap Building)75
- Tot Spot, the71
- West Windsor United Brethren70
- Misty Cove Senior Apartments66
- You and Me Academy65
- Ainger Bible Church65
- Five Corners Church60
- Sunset Acres Bakery57
- Theravada Buddhist Association Michigan50
- Nico'S Pub & Grill50
- Union Bank50
- Chief Okemos Sportsmans Club50
- Broadway Acres Golf Course50
- Michigan Pallet Recycling50
- Assembly of Yahweh50
- Capitol Area Sportsmens League50
- Morrie'S Grand Ledge Ford49
- Delta Mills Methodist Church40
- Ej USA40
- Word of Life Church40
- Main Street Pizza40
- Family Dental Care35
- Polly Products Alr, LLC35
- Village Ice Cream35
- Grand Ledge Country Club - #335
- Eaton Rapids Assembly of God30
- Dorothy Hull Library30
- 40et8 Voiture 94630
- Northern Concrete Pipe, Inc..30
- Crestview Motel25
- Renee Owen Dds Pc25
- Duane Tirrell Memorial Park25
Eaton County water systems: frequently asked questions
How many public water systems are in Eaton County, Michigan?
EPA's SDWIS records file 103 active public water systems under Eaton County, Michigan: 16 community systems (16%), 18 non-transient non-community systems (17%) and 69 transient non-community systems (67%).
Who supplies drinking water in Eaton County, MI?
The largest community water systems filed under Eaton County are Charter Township of Delta (21,856 people served), City of Charlotte (9,074 people served) and City of Grand Ledge (8,701 people served). Which system serves a particular address depends on its service area, which EPA's SDWIS records do not include; a water bill or the local utility can confirm it.
Does Eaton County's drinking water come from groundwater or surface water?
Of the 103 active public water systems in Eaton County, all draw mainly on groundwater and none on surface water, counting purchased supplies. The largest system, Charter Township of Delta, uses purchased groundwater.
Where can I find a water quality report for Eaton County?
Each community water system must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1, covering the previous calendar year. 16 community systems are filed under Eaton County, so the report to look for is the one from the system that supplies your address.
How can I check violations for a water system in Eaton County?
Open the system's profile from the list on this page. Each profile shows the most recent Safe Drinking Water Act violations in EPA's records, with plain-English labels and whether each one is resolved. For current compliance status, EPA ECHO is the primary source.
More Michigan water systems
- All Michigan public water systems· 10,599 active
- Antrim County· 111 systems
- Wexford County· 109 systems
- Ingham County· 108 systems
- Benzie County· 107 systems
- Huron County· 101 systems
- St. Clair County· 96 systems
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
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, “Public water systems in Eaton County, Michigan”, https://aquacensus.com/water-systems/michigan/eaton (data as of October 1, 2026).