Public Water Partners

U.S. water systems

Michigan Water Systems

Michigan

2,180 community water systems on record — 1,377 active, 803 inactive.

Every active community water system nationwide must produce a Consumer Confidence Report under the EPA's revised rule, effective for reports due July 1, 2027.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Michigan’s official records. Always confirm current status with Michigan before making decisions based on this information.

Counties in Michigan

Alcona County (6)Alger County (7)Allegan County (72)Alpena County (7)Antrim County (19)Arenac County (9)Baraga County (6)Barry County (21)Bay County (26)Benzie County (11)Berrien County (71)Branch County (18)Calhoun County (30)Cass County (30)Charlevoix County (20)Cheboygan County (15)Chippewa County (11)Clare County (8)Clinton County (27)Crawford County (7)Delta County (10)Dickinson County (10)Eaton County (21)Emmet County (46)Genesee County (114)Gladwin County (8)Gogebic County (17)Grand Traverse County (44)Gratiot County (13)Hillsdale County (17)Houghton County (32)Huron County (36)Ingham County (28)Ionia County (28)Iosco County (14)Iron County (22)Isabella County (23)Jackson County (50)Kalamazoo County (45)Kalkaska County (3)Kent County (90)Keweenaw County (10)Lake County (6)Lapeer County (20)Leelanau County (21)Lenawee County (36)Livingston County (71)Luce County (5)Mackinac County (7)Macomb County (36)Manistee County (15)Marquette County (35)Mason County (12)Mecosta County (22)Menominee County (8)Midland County (12)Missaukee County (4)Monroe County (17)Montcalm County (15)Montmorency County (3)Muskegon County (30)Newaygo County (15)Oakland County (223)Oceana County (8)Ogemaw County (9)Ontonagon County (10)Osceola County (7)Oscoda County (7)Otsego County (17)Ottawa County (37)Presque Isle County (6)Roscommon County (27)Saginaw County (33)Sanilac County (25)Schoolcraft County (5)Shiawassee County (27)St. Clair County (37)St. Joseph County (22)Tuscola County (24)Van Buren County (37)Washtenaw County (40)Wayne County (55)Wexford County (12)

All community water systems in Michigan

Showing the 200 largest of 2,180 systems on record, by population served. Browse by county above for the full list — every system has its own page, and all of them are in the sitemap.