Lenawee County, Michigan — public water systems
At a glance
182 active public water systems are filed under Lenawee County, Michigan in EPA's SDWIS records, together reporting 79,516 people served. The largest is Adrian, which reports serving 23,663 people. 26 are community water systems serving people where they live; the other 156 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
182
Population served
79.5K
Community systems
26
Groundwater share
97.8%
How does Lenawee County compare with other Michigan counties?
Lenawee County has the 16th-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 79,516 people served in total, the 20th-largest county figure in the state and 0.9% of the statewide total. The average system here reports serving 437 people, about half of 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 Lenawee County's drinking water come from?
By primary water source, Lenawee County's active systems draw on groundwater (177, 97%), surface water (3, 1.6%), purchased groundwater (1, 0.5%) and purchased surface water (1, 0.5%). Overall, 98% rely mainly on groundwater (including purchased groundwater) and 2.2% 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, Adrian, draws primarily on surface water.
What kinds of water systems operate in Lenawee County?
Lenawee County's active systems break down as 26 community systems (14%), 23 non-transient non-community systems (13%) and 133 transient non-community systems (73%). 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 (89%), local government (9.3%) and state government (1.6%).
The 50 largest water systems in Lenawee County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Adrian | Lenawee | 23,663 | Community | Surface water |
| 2 | Tecumseh | Lenawee | 8,521 | Community | Groundwater |
| 3 | The Groves of Michigan | Lenawee | 6,460 | Transient non-community | Groundwater |
| 4 | Madison Township | Lenawee | 3,480 | Community | Groundwater |
| 5 | Blissfield | Lenawee | 3,276 | Community | Surface water |
| 6 | Clinton | Lenawee | 2,336 | Community | Groundwater |
| 7 | Hudson | Lenawee | 2,307 | Community | Groundwater |
| 8 | Morenci | Lenawee | 2,220 | Community | Groundwater |
| 9 | Michigan International Speedway | Lenawee | 1,000 | Transient non-community | Groundwater |
| 10 | Deerfield | Lenawee | 943 | Community | Surface water |
| 11 | Onsted | Lenawee | 907 | Community | Groundwater |
| 12 | Ps Food Mart Convenience King #3011 | Lenawee | 900 | Transient non-community | Groundwater |
| 13 | Dnr - Hayes State Park | Lenawee | 784 | Transient non-community | Groundwater |
| 14 | Fairfield Township | Lenawee | 717 | Community | Purchased groundwater |
| 15 | Britton | Lenawee | 611 | Community | Groundwater |
| 16 | Addison | Lenawee | 605 | Community | Groundwater |
| 17 | Cement City Ps Food Mart | Lenawee | 600 | Transient non-community | Groundwater |
| 18 | Perky Pantry Irish Hills | Lenawee | 600 | Transient non-community | Groundwater |
| 19 | Wacker Chemical Corporation | Lenawee | 600 | Non-transient non-community | Groundwater |
| 20 | Perky Pantry Pentecost | Lenawee | 500 | Transient non-community | Groundwater |
| 21 | South Shore Water System | Lenawee | 488 | Community | Groundwater |
| 22 | Tecumseh South Early Learning Ctr | Lenawee | 450 | Non-transient non-community | Groundwater |
| 23 | Usa2go, Dba Brooklyn Convenience | Lenawee | 400 | Transient non-community | Groundwater |
| 24 | Tri-County Oil Co | Lenawee | 375 | Transient non-community | Groundwater |
| 25 | Perky Pantry Westside Store | Lenawee | 350 | Transient non-community | Groundwater |
| 26 | Dollar General #12861 - Clinton | Lenawee | 320 | Transient non-community | Groundwater |
| 27 | Lightning Quick Gas-N-Go 14 | Lenawee | 304 | Transient non-community | Groundwater |
| 28 | Grace Point Evangelical Free Church | Lenawee | 300 | Transient non-community | Groundwater |
| 29 | Clark'S Corner | Lenawee | 300 | Transient non-community | Groundwater |
| 30 | Clinton Fuel Express, Inc. | Lenawee | 300 | Transient non-community | Groundwater |
| 31 | Artesian Wells Sports Bar | Lenawee | 300 | Transient non-community | Groundwater |
| 32 | Lee Villa Mobile Home Park | Lenawee | 283 | Community | Groundwater |
| 33 | Lightning Quick Gas-N-Go | Lenawee | 269 | Transient non-community | Groundwater |
| 34 | Riga Township | Lenawee | 266 | Community | Purchased surface water |
| 35 | Deep Lake Recreational Park | Lenawee | 250 | Transient non-community | Groundwater |
| 36 | Deep Lake Recreational Park 2 | Lenawee | 250 | Transient non-community | Groundwater |
| 37 | St. John'S Lutheran Church - Adrian | Lenawee | 250 | Non-transient non-community | Groundwater |
| 38 | Lake Arrowhead Estates | Lenawee | 231 | Community | Groundwater |
| 39 | Leffingwell Estates | Lenawee | 210 | Community | Groundwater |
| 40 | Porter Education Center | Lenawee | 208 | Non-transient non-community | Groundwater |
| 41 | Faith Baptist Church - Adrian | Lenawee | 205 | Transient non-community | Groundwater |
| 42 | Dnr-Lake Hudson Rec Area Cg | Lenawee | 200 | Transient non-community | Groundwater |
| 43 | Hope Lutheran Church-Adrian | Lenawee | 200 | Transient non-community | Groundwater |
| 44 | St. Joseph Shrine Church | Lenawee | 200 | Transient non-community | Groundwater |
| 45 | Indian Creek Campground | Lenawee | 200 | Transient non-community | Groundwater |
| 46 | Dnr-Lake Hudson Rec Area-Office | Lenawee | 200 | Transient non-community | Groundwater |
| 47 | Lightning Quick Gas-N-Go #18 | Lenawee | 200 | Transient non-community | Groundwater |
| 48 | West Rome Baptist Church | Lenawee | 200 | Transient non-community | Groundwater |
| 49 | Mitchell Memorial Park 2 | Lenawee | 200 | Transient non-community | Groundwater |
| 50 | Mitchell Memorial Park 1 | Lenawee | 200 | Transient non-community | Groundwater |
All other water systems in Lenawee County (132)
The remaining active systems filed under Lenawee County, largest first, with the population each reports serving.
- Heritage Plaza200
- Heritage Park200
- Man Nor Farms Subdivision193
- Richlyn Manor192
- Waters Edge Mh Community180
- Lutheran Church of the Lakes160
- Medina Federated Church160
- Hills of Lenawee Golf Club150
- Monahan'S Meat Market150
- Wolf Creek Golf Club150
- Raisin Valley Golf Club150
- Sterling Markets, Inc..150
- Devils Lake Golf Course150
- Silverlawn Mobile Home Community 2150
- Harolds Place150
- St. Mary on the Lake Catholic Church150
- Silverlawn Mobile Home Community 1150
- St. Joseph Family Center150
- Irish Hills Dairy Bar150
- Old Highway Market and Propane, Inc.150
- Adrian College Boathouse149
- Djw Properties Mi LLC144
- Uniloy Inc.138
- Flamingo Beach Grille & Bar135
- Livvy'S Lakeside Ice Cream125
- Country Villa Estates125
- Promedica Health Specialists of Lenawee125
- Masco Cabinetry116
- Brookdale Adrian115
- Abcr-Gv110
- Sand Creek Community Church110
- Dollar General #17314 - Manitou Beach108
- Clinton Baptist Church100
- Danley'S Country House Restaurant100
- Hidden Lake Gardens100
- Cravins100
- Crosspointe Church100
- Devils Lake Yacht Club100
- Abcr-Gv100
- North Rome Baptist Church100
- The Spring'S Party Store100
- Ten Pin Alley100
- Clinton United Methodist Church95
- Little Creations Preschool86
- Emmanuel Lutheran Church-Britton85
- Raisin Valley Friends Church80
- Immanuel Lutheran Church-Palmyra80
- Sauk Valley Farm75
- Highland Inn75
- Sauk Valley Farm75
- J. Gilbert Purse Funeral Home75
- Paradise Park Campground75
- Boot Jack Tavern75
- Devil'S Lake Bar & Grill75
- Hospice of Lenawee75
- Hometown Pizza75
- Cozy Kids Preschool and Child Care74
- Tecumseh Freewill Baptist Church70
- St. Mark'S Lutheran Church70
- Lenawee Adult & Pediatric Medicine70
- Tecumseh Sda Church70
- Twin Pines Deli & Dairy, LLC70
- Domino'S Pizza70
- Stepping Stones Learning Ctr69
- Clinton Estates68
- Gleaner Life Ins. Society65
- Tipton Community Church65
- Birth, Toddler and Beyond63
- Park View Court63
- Seneca Community Church60
- Newgen Cdjr60
- Michigan International Speedway60
- Flying Otter Winery60
- Bowman Chevrolet of Clinton60
- New Song Community Church56
- Silbond Corporation55
- Ben and Janie'S55
- Comcast Cable - Woodstock55
- Sunset MHP53
- Randy'S Bar-B-Q53
- Lisd Center for Sustainable Future50
- Club 22350
- Springville United Methodist Church50
- Killarney Lutheran Camp - House Well50
- Poppa'S Place Dos50
- Two Lakes Tavern50
- Top O' the Hill, LLC50
- Camp Sequoia 250
- Camp Sequoia 350
- Camp Sequoia 150
- Greenleaf Express50
- Gauci Golf Club50
- The Hills Fork Oar Pour50
- Minster Rv Park, Inc..50
- Woodlawn Golf Club50
- Raisin Center Friends Church50
- Killarney Lutheran Camp - Dining Hall50
- Curtis Common50
- Great Lakes Family Dental50
- Devil'S Lake Campground45
- Judson Migrant Labor Camp45
- Cadmus Presbyterian Church45
- Evans Lake Resort44
- Tecumseh Harley Davidson40
- Trinity Baptist Church40
- Lil Friends at Ross40
- Luigi'S Pizza40
- D. Stahl Farms Camp #136
- West Adrian Community Church35
- Greenstone Farm Credit Svcs Corp35
- Common Ground35
- Wags To Wiskers35
- Ebeling Family Dentistry32
- Ja Do Campground30
- Killarney Lutheran Camp -30
- Ja Do Campground30
- Hudson American Legion Post 18030
- Wellsville United Methodist Church30
- Macon United Methodist Church30
- Jado Campground30
- City Saloon30
- Stage Coach Stop30
- Weston Bar & Grill, Inc..30
- Cowboy Creek Lodge30
- Usda Fsa25
- Morenci American Legion25
- Morenci Sportsman Club25
- Lisd Seed House25
- Tecumseh Sda Community Center25
- Butch'S Sports Bar25
- Brooklyn Moose25
- Rathmourne Dairy LLC-12 Medina25
Lenawee County water systems: frequently asked questions
How many public water systems are in Lenawee County, Michigan?
EPA's SDWIS records file 182 active public water systems under Lenawee County, Michigan: 26 community systems (14%), 23 non-transient non-community systems (13%) and 133 transient non-community systems (73%).
Who supplies drinking water in Lenawee County, MI?
The largest community water systems filed under Lenawee County are Adrian (23,663 people served), Tecumseh (8,521 people served) and Madison Township (3,480 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 Lenawee County's drinking water come from groundwater or surface water?
Of the 182 active public water systems in Lenawee County, 98% draw mainly on groundwater and 2.2% on surface water, counting purchased supplies. The largest system, Adrian, uses surface water.
Where can I find a water quality report for Lenawee 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. 26 community systems are filed under Lenawee 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 Lenawee 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
- Emmet County· 198 systems
- Berrien County· 196 systems
- Kalamazoo County· 188 systems
- Barry County· 183 systems
- Cheboygan County· 179 systems
- Grand Traverse County· 173 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 Lenawee County, Michigan”, https://aquacensus.com/water-systems/michigan/lenawee (data as of October 1, 2026).