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State utility hub
Browse the indexed community water systems in this state. Each profile brings the provider’s payment routes and household protection policies into a single, practical guide.
Municipal Department
Service area: City of Detroit
Population: DWSD's 2025 official Water Quality Report says the system provides clean water to more than 645,000 residents and reports 213,737 active accounts; older City material describes more than 230,000 accounts and nearly 700,000 residents. The current report figure is used here because service population and account counts vary by reporting year and retail-service definition.
Municipal Department
Service area: City of Grand Rapids
Population: 306,901 people (EPA SDWIS PWS ID MI0000010-related 2026 active CWS queue entry).
Municipal Department
Service area: Detroit
Population: 633,218 people (EPA SDWIS active CWS PWS MI0001800)
Municipal Department
Service area: Grand Rapids
Population: 306,901 people (EPA SDWIS active CWS PWS MI0002790)
Municipal Department
Service area: Kalamazoo
Population: 192,992 people (EPA SDWIS active CWS PWS MI0003520)
Municipal Department
Service area: Lansing and surrounding BWL water service area
Population: 166,000 people (EPA SDWIS active CWS PWS MI0003760)
Municipal Department
Service area: Warren
Population: 134,056
Municipal Department
Service area: Warren
Population: 134,056
Municipal Department
Service area: Sterling Heights
Population: 127,000
Municipal Department
Service area: Warren
Population: 134,056
Municipal Department
Service area: Ann Arbor
Population: 123,851
Municipal Department
Service area: Clinton Charter Township
Population: 100,513
Municipal Department
Service area: City of Livonia
Population: 96,942 people (EPA SDWA active CWS queue estimate)
Municipal Department
Service area: Westland, Wayne County, Michigan
Population: 85,420 people
Municipal Department
Service area: Flint
Population: 81,252 people
Municipal Department
Service area: Rochester
Population: Approximately 74,000 people in the EPA-listed Rochester Hills/Rochester-area CWS record; the official City of Rochester water page describes the municipal service area and two water systems.
Public Water Authority
Service area: Genesee County regional service area, including Flint-area communities
Population: Approximately 73,726 people for EPA CWS MI0002615; Michigan's public-supply materials describe the system as a regional Lake Huron-sourced supply serving Genesee County communities.
Municipal Department
Service area: Waterford Township
Population: Approximately 73,441 people in the EPA-listed Waterford Township community-water-system service area; the Township reports roughly 24,700 water accounts in its public materials.
Municipal Department
Service area: Wyoming, Kent County
Population: Approximately 72,000 residents in the queue estimate; Wyoming's Utilities department includes the drinking-water plant, wastewater treatment plant and Utility Business Office.
Municipal Department
Service area: Shelby Township, Macomb County
Population: Approximately 72,000 residents in the queue estimate; the Township reports about 29,977 water accounts and a 419.5-mile water-main system.
Municipal Department
Service area: Southfield
Population: Approximately 71,739 residents in the queue estimate; Southfield provides municipal water and sewer billing for residential and commercial accounts.
Municipal Department
Service area: City of Pontiac
Population: 63,776 people (EPA SDWA queue estimate for MI0005440)
Municipal Department
Service area: City of Taylor
Population: 63,409 people (EPA SDWA queue estimate for MI0006545)
Municipal Department
Service area: City of St. Clair Shores
Population: 59,715 people (EPA SDWA queue estimate for MI0006280)
Municipal Department
Service area: City of Dearborn Heights
Population: 57,774 people (EPA SDWA queue estimate for MI0001740)
Municipal Department
Service area: City of Royal Oak
Population: 57,236 people (EPA SDWA queue estimate for MI0005830)
Municipal Department
Service area: City of Farmington Hills
Population: 56,984 people (EPA SDWA queue estimate for MI0002240)
Municipal Department
Service area: City of Novi
Population: 56,780 people (EPA SDWA queue estimate for MI0004870)
Public Water Authority
Service area: Ypsilanti and participating Washtenaw/Wayne County service areas
Population: 53,988 people (EPA SDWA queue estimate for MI0007260)
Public Water Authority
Service area: Holland
Population: 49,687 people (EPA SDWA queue estimate for MI0003190)
Public Water Authority
Service area: Monroe County South County
Population: 33,816 people (EPA SDWA queue estimate for MI0004455)
Municipal Department
Service area: Brownstown Township
Population: 33,194 people (EPA SDWA queue estimate for MI0000940)
Municipal Department
Service area: Jackson
Population: 33,165 people (EPA SDWA queue estimate for MI0003470)
Municipal Department
Service area: East Lansing
Population: 33,000 people (EPA SDWA queue estimate for MI0001990)
Municipal Department
Service area: Orion Township
Population: 33,000 people (EPA SDWA queue estimate for MI0005035)
Municipal Department
Service area: Eastpointe
Population: 32,442 people (EPA SDWA queue estimate for MI0001950)
Municipal Department
Service area: Bay City
Population: 32,255 people (EPA SDWA queue estimate for MI0000470)
Municipal Department
Service area: Northville Charter Township
Population: 32,103 people (EPA SDWA queue estimate for MI0004845)
Municipal Department
Service area: Southgate
Population: 30,047 people (EPA SDWA queue estimate for MI0006170)
Public Water Authority
Service area: Ypsilanti Township
Population: 30,000 people (EPA SDWA queue estimate for MI0007255)
Municipal Department
Service area: Madison Heights
Population: 29,694 people (EPA SDWA queue estimate for MI0004000)
Municipal Department
Service area: Oak Park
Population: 29,654 people (EPA SDWA queue estimate for MI0004880)
Municipal Department
Service area: Port Huron
Population: 28,983 people (EPA SDWA queue estimate for MI0005480)
Municipal Department
Service area: Hamtramck
Population: 28,433 people (EPA SDWA queue estimate for MI0002970)
Municipal Department
Service area: Allen Park
Population: 28,210 people (EPA SDWA queue estimate for MI0000130)
Municipal Department
Service area: Garden City
Population: 27,625 people (EPA SDWA queue estimate for MI0002550)
Municipal Department
Service area: Plymouth Township
Population: 27,524 people (EPA SDWA queue estimate for MI0005420)
Municipal Department
Service area: Van Buren Township / Belleville
Population: 27,359 people (EPA SDWA queue estimate for MI0006770)
Public Water Authority
Service area: St. Joseph / Southwest Michigan
Population: 26,780 people (EPA SDWIS 2026Q2 estimate for MI0003726)
Municipal Department
Service area: Holland Township
Population: 26,100 people (EPA SDWIS 2026Q2 estimate for MI0003195)
Municipal Department
Service area: Wyandotte
Population: 25,883 people (EPA SDWIS 2026Q2 estimate for MI0007210)
Municipal Department
Service area: Meridian Township / Okemos
Population: 25,600 people (EPA SDWIS 2026Q2 estimate for MI0004260)
Municipal Department
Service area: Summit Township / Jackson
Population: 25,355 people (EPA SDWIS 2026Q2 estimate for MI0006450)
Municipal Department
Service area: Inkster
Population: 25,076 people (EPA SDWIS 2026Q2 estimate for MI0003360)
Municipal Department
Service area: Pittsfield Township / Ann Arbor
Population: 24,500 people (EPA SDWIS 2026Q2 estimate for MI0005360)
Municipal Department
Service area: Harrison Township
Population: 24,314 people (EPA SDWIS 2026Q2 estimate for MI0003040)
Municipal Department
Service area: Norton Shores
Population: 23,994 people (EPA SDWIS 2026Q2 estimate for MI0004850)
Municipal Department
Service area: Romulus
Population: 23,989 people (EPA SDWIS 2026Q2 estimate for MI0005785)
Municipal Department
Service area: Adrian
Population: 23,663 people (EPA SDWIS 2026Q2 estimate for MI0000040)
Municipal Department
Service area: Ferndale
Population: 22,105 people (EPA SDWIS 2026Q2 estimate for MI0002280)
Municipal Department
Service area: Delta Township
Population: 21,856 people (EPA SDWIS 2026Q2 estimate for MI0001790)
Municipal Department
Service area: Mount Pleasant
Population: 21,688 people (EPA SDWIS 2026Q2 estimate for MI0004530)
Municipal Department
Service area: Frenchtown Township
Population: 21,609 people (EPA SDWIS 2026Q2 estimate for MI0002500)
Municipal Department
Service area: Auburn Hills
Population: 21,412 people (EPA SDWIS 2026Q2 estimate for MI0005450)
Municipal Department
Service area: Blackman Township / Jackson
Population: 21,222 people (EPA SDWIS 2026Q2 estimate for MI0000740)
Municipal Department
Service area: Burton
Population: 21,000 people (EPA SDWIS 2026Q2 estimate for MI0001010)
Municipal Department
Service area: Grand Blanc Township
Population: 21,000 people (EPA SDWIS 2026Q2 estimate for MI0002745)
Municipal Department
Service area: Marquette
Population: 20,629 people (EPA SDWIS 2026Q2 estimate for MI0004120)
Municipal Department
Service area: Birmingham
Population: 20,472 people (EPA SDWIS 2026Q2 estimate for MI0000730)
Municipal Department
Service area: Commerce Township
Population: 19,811 people (EPA SDWIS 2026Q2 estimate for MI0001573)
Municipal Department
Service area: Allendale
Population: 19,725 people (EPA SDWIS 2026Q2 estimate for MI0000127)
Municipal Department
Service area: Trenton
Population: 18,544 people (EPA SDWIS 2026Q2 estimate for MI0006650)
Municipal Department
Service area: WARREN
Population: 134056 people (EPA SDWIS 2026Q2 active CWS estimate for MI0006900)
Municipal Department
Service area: STERLING HEIGHTS
Population: 127000 people (EPA SDWIS 2026Q2 active CWS estimate for MI0006385)
Municipal Department
Service area: ANN ARBOR
Population: 123851 people (EPA SDWIS 2026Q2 active CWS estimate for MI0000220)
Municipal Department
Service area: Dearborn
Population: 109,976 people; EPA SDWIS 2026Q2 active CWS estimate for MI0001730.
Municipal Department
Service area: CANTON
Population: 99627 people (EPA SDWIS 2026Q2 active CWS estimate for MI0001100)
Municipal Department
Service area: LIVONIA
Population: 96942 people (EPA SDWIS 2026Q2 active CWS estimate for MI0003930)
Municipal Department
Service area: MACOMB
Population: 90000 people (EPA SDWIS 2026Q2 active CWS estimate for MI0003990)
Municipal Department
Service area: TROY
Population: 85854 people (EPA SDWIS 2026Q2 active CWS estimate for MI0006690)
Municipal Department
Service area: WESTLAND
Population: 85420 people (EPA SDWIS 2026Q2 active CWS estimate for MI0007040)
Municipal Department
Service area: FLINT
Population: 81252 people (EPA SDWIS 2026Q2 active CWS estimate for MI0002310)
Municipal Department
Service area: ROCHESTER HILLS
Population: 74000 people (EPA SDWIS 2026Q2 active CWS estimate for MI0000325)
Municipal Department
Service area: WATERFORD
Population: 73441 people (EPA SDWIS 2026Q2 active CWS estimate for MI0006910)
Municipal Department
Service area: HOLLAND
Population: 72125 people (EPA SDWIS 2026Q2 active CWS estimate for MI0007220)
Municipal Department
Service area: SOUTHFIELD
Population: 71739 people (EPA SDWIS 2026Q2 active CWS estimate for MI0006160)
Municipal Department
Service area: REDFORD
Population: 49504 people (EPA SDWIS 2026Q2 active CWS estimate for MI0005640)
Municipal Department
Service area: WEST BLOOMFIELD
Population: 49479 people (EPA SDWIS 2026Q2 active CWS estimate for MI0006975)
Municipal Department
Service area: MONROE
Population: 49467 people (EPA SDWIS 2026Q2 active CWS estimate for MI0004450)
Municipal Department
Service area: ROSEVILLE
Population: 47299 people (EPA SDWIS 2026Q2 active CWS estimate for MI0005820)
Municipal Department
Service area: PORTAGE
Population: 46292 people (EPA SDWIS 2026Q2 active CWS estimate for MI0005520)
Municipal Department
Service area: SAGINAW
Population: 44058 people (EPA SDWIS 2026Q2 active CWS estimate for MI0005850)
Municipal Department
Service area: BATTLE CREEK
Population: 43975 people (EPA SDWIS 2026Q2 active CWS estimate for MI0000450)
Municipal Department
Service area: MIDLAND
Population: 42547 people (EPA SDWIS 2026Q2 active CWS estimate for MI0004370)
Municipal Department
Service area: GRAND RAPIDS
Population: 42271 people (EPA SDWIS 2026Q2 active CWS estimate for MI0005370)
Municipal Department
Service area: BLOOMFIELD TOWNSHIP
Population: 41691 people (EPA SDWIS 2026Q2 active CWS estimate for MI0000790)
Municipal Department
Service area: CHESTERFIELD TOWNSHIP
Population: 41650 people (EPA SDWIS 2026Q2 active CWS estimate for MI0001390)
Municipal Department
Service area: JENISON
Population: 41086 people (EPA SDWIS 2026Q2 active CWS estimate for MI0002620)
Municipal Department
Service area: SAGINAW
Population: 40840 people (EPA SDWIS 2026Q2 active CWS estimate for MI0005860)
Municipal Department
Service area: LINCOLN PARK
Population: 38144 people (EPA SDWIS 2026Q2 active CWS estimate for MI0003870)
Municipal Department
Service area: CALEDONIA
Population: 37464 people (EPA SDWIS 2026Q2 active CWS estimate for MI0001023)
Municipal Department
Service area: MUSKEGON
Population: 37213 people (EPA SDWIS 2026Q2 active CWS estimate for MI0004570)
Michigan directory notes
This state hub brings together 102 indexed community water systems, from city departments and public authorities to investor-owned systems and smaller regional providers. A service area may cross municipal boundaries, so use the provider name and service address on your bill when choosing a profile.
The most important distinction is between a directory listing and an official account channel. Water Ledger provides a structured starting point; the utility’s own payment portal, published rate schedule, customer-service office, and mailed notice control your account. Compare the payment route, billing frequency, emergency number, and customer-protection notes before relying on a page for a time-sensitive decision.
If you are helping a household with a high bill, leak, or delinquency notice, open the utility profile and review the payment, shut-off, and leak-adjustment guides together. Keep the bill, account number, confirmation receipts, repair records, and notice dates available when speaking with the provider.