Results from entry points (water leaving treatment, not household taps) of public water systems sampled under EPA's Fifth Unregulated Contaminant Monitoring Rule. Click a county to see every water system serving it, or turn on service areas and click a location to see the systems that serve that spot.
324 of the 2,823 public water systems listed for Michigan were sampled. Sorted by the highest single result relative to EPA's 2024 limits. Each name links to a page with all of that system's results. All 2,823 Michigan systems, including those not tested · Download all Michigan results (CSV, gzip)
| System | PWSID | City | Population | PFOA (ppt) | PFOS (ppt) | HI | Highest single result |
|---|---|---|---|---|---|---|---|
| Dundee | MI0001880 | Dundee | 5,400 | 13 | <MRL | 0 | PFOA ≥ 3 × its limit |
| Independence Township | MI0003342 | Clarkston | 11,790 | 7.1 | 10 | 3.003 | Hazard Index ≥ 3 × its limit |
| Gladstone | MI0002640 | Gladstone | 4,632 | <MRL | 11 | 0 | PFOS 1–3 × its limit |
| Kalamazoo | MI0003520 | Kalamazoo | 192,992 | 4 | 6.7 | 0.423 | PFOS 1–3 × its limit |
| Spring Lake Township | MI0006235 | Spring Lake | 9,393 | 4.8 | <MRL | 0 | PFOA 1–3 × its limit |
| Fremont | MI0002490 | Fremont | 4,516 | 4.7 | <MRL | 0 | PFOA 1–3 × its limit |
| Grand Haven | MI0002750 | Grand Haven | 10,412 | 4.7 | <MRL | 0 | PFOA 1–3 × its limit |
| Otsego | MI0005060 | Otsego | 4,120 | 4 | <MRL | 0.006 | PFOA 1–3 × its limit |
| Kinross Township | MI0003630 | Kincheloe | 5,300 | <MRL | <MRL | 0.93 | Hazard Index below its limit |
| Kingsford | MI0003640 | Kingsford | 5,480 | <MRL | <MRL | 0.804 | Hazard Index below its limit |
| Waterford Township | MI0006910 | Waterford | 73,441 | <MRL | <MRL | 0.65 | Hazard Index below its limit |
| South Lyon, City Of | MI0006110 | South Lyon, | 11,055 | <MRL | <MRL | 0.54 | Hazard Index below its limit |
| Portage | MI0005520 | Portage | 46,292 | <MRL | <MRL | 0.5 | Hazard Index below its limit |
| Utica, City Of | MI0006760 | Sterling Heights | 5,059 | <MRL | <MRL | 0.48 | Hazard Index below its limit |
| Pfizer | MI2032539 | Kalamazoo | 4,000 | <MRL | <MRL | 0.33 | Hazard Index below its limit |
| Charlotte, City Of | MI0001340 | Charlotte | 9,074 | <MRL | <MRL | 0.301 | Hazard Index below its limit |
| Hesperia | MI0003130 | Hesperia | 954 | <MRL | <MRL | 0.025 | Hazard Index below its limit |
| East Bay Charter Township | MI0001935 | Traverse City | 3,720 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| Plainfield Township | MI0005370 | Grand Rapids | 42,271 | <MRL | <MRL | 0.003 | Hazard Index below its limit |
| Gaylord, City Of | MI0002600 | Gaylord | 3,629 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Greenville | MI0002850 | Greenville | 8,816 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Lake Bella Vista | MI0003695 | Rockford | 3,584 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Middleville | MI0004360 | Middleville | 3,309 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Union Township | MI0006725 | Mt Pleasant | 12,927 | <MRL | <MRL | 0.002 | Hazard Index below its limit |
| Allen Park | MI0000130 | Allen Park | 28,210 | <MRL | <MRL | 0 | Other PFAS detected |
| Ann Arbor | MI0000220 | Ann Arbor | 123,851 | <MRL | <MRL | 0 | Other PFAS detected |
| Auburn Hills | MI0005450 | Auburn Hills | 21,412 | <MRL | <MRL | 0 | Other PFAS detected |
| Battle Creek - Verona System | MI0000450 | Battle Creek | 43,975 | <MRL | <MRL | 0 | Other PFAS detected |
| Birmingham | MI0000730 | Birmingham | 20,472 | <MRL | <MRL | 0 | Other PFAS detected |
| Blissfield | MI0000750 | Blissfield | 3,276 | <MRL | <MRL | 0 | Other PFAS detected |
| Buena Vista Township | MI0000980 | Saginaw | 8,676 | <MRL | <MRL | 0 | Other PFAS detected |
| Fenton, City Of | MI0002270 | Fenton | 11,746 | <MRL | <MRL | 0 | Other PFAS detected |
| Frenchtown Township | MI0002500 | Monroe | 21,609 | <MRL | <MRL | 0 | Other PFAS detected |
| Midland, City Of | MI0004370 | Midland | 42,547 | <MRL | <MRL | 0 | Other PFAS detected |
| Mount Clemens, City Of | MI0004510 | Mt Clemens | 16,314 | <MRL | <MRL | 0 | Other PFAS detected |
| Oak Park | MI0004880 | Oak Park | 29,654 | <MRL | <MRL | 0 | Other PFAS detected |
| Pontiac | MI0005440 | Waterford | 63,776 | <MRL | <MRL | 0 | Other PFAS detected |
| Roseville, City Of | MI0005820 | Roseville | 47,299 | <MRL | <MRL | 0 | Other PFAS detected |
| Saginaw, City Of | MI0005850 | Saginaw | 44,058 | <MRL | <MRL | 0 | Other PFAS detected |
| Scio Township | MI0005977 | Ann Arbor | 8,500 | <MRL | <MRL | 0 | Other PFAS detected |
| Springfield | MI0006240 | Springfield | 3,833 | <MRL | <MRL | 0 | Other PFAS detected |
| Superior Township | MI0006490 | Ypsilanti | 6,830 | <MRL | <MRL | 0 | Other PFAS detected |
| Three Rivers | MI0006610 | Three Rivers | 7,905 | <MRL | <MRL | 0 | Other PFAS detected |
| White Lake Township | MI0007065 | White Lake | 6,619 | <MRL | <MRL | 0 | Other PFAS detected |
| Absopure | MI2050838 | Plymouth | 1,000 | <MRL | <MRL | 0 | No PFAS detected |
| Ada Township | MI0000012 | Ada | 7,584 | <MRL | <MRL | 0 | No PFAS detected |
| Adrian | MI0000040 | Adrian | 23,663 | <MRL | <MRL | 0 | No PFAS detected |
| Albion | MI0000100 | Albion | 9,144 | <MRL | <MRL | 0 | No PFAS detected |
| Algonac, City Of | MI0000110 | Algonac | 4,110 | <MRL | <MRL | 0 | No PFAS detected |
| Allegan | MI0000120 | Allegan | 5,930 | <MRL | <MRL | 0 | No PFAS detected |
| Allendale Township | MI0000127 | Allendale | 19,725 | <MRL | <MRL | 0 | No PFAS detected |
| Alma, City Of | MI0000140 | Alma | 9,182 | <MRL | <MRL | 0 | No PFAS detected |
| Alpena, City Of | MI0000160 | Alpena | 10,128 | <MRL | <MRL | 0 | No PFAS detected |
| Arlington Woods | MI0040356 | Muskegon | 1,650 | <MRL | <MRL | 0 | No PFAS detected |
| Ash Township | MI0000245 | Carleton | 5,959 | <MRL | <MRL | 0 | No PFAS detected |
| Augusta Township | MI0000321 | Whittaker | 3,907 | <MRL | <MRL | 0 | No PFAS detected |
| Bangor Township | MI0000390 | Bay City | 11,999 | <MRL | <MRL | 0 | No PFAS detected |
| Bay City, City Of | MI0000470 | Bay City | 32,255 | <MRL | <MRL | 0 | No PFAS detected |
| Bay Co. Dept Of Water & Sewer | MI0000485 | Bay City | 8,465 | <MRL | <MRL | 0 | No PFAS detected |
| Beecher Metropolitan District | MI0000540 | Flint | 9,400 | <MRL | <MRL | 0 | No PFAS detected |
| Belding | MI0000560 | Belding | 5,769 | <MRL | <MRL | 0 | No PFAS detected |
| Belleville | MI0000580 | Belleville | 3,964 | <MRL | <MRL | 0 | No PFAS detected |
| Benton Charter Township | MI0000605 | Benton Harbor | 6,768 | <MRL | <MRL | 0 | No PFAS detected |
| Benton Harbor | MI0000600 | Benton Harbor | 9,103 | <MRL | <MRL | 0 | No PFAS detected |
| Berkley | MI0000630 | Berkley | 14,970 | <MRL | <MRL | 0 | No PFAS detected |
| Berlin Township | MI0000635 | Newport | 9,900 | <MRL | <MRL | 0 | No PFAS detected |
| Berrien Springs | MI0000650 | Berrien Springs | 1,910 | <MRL | <MRL | 0 | No PFAS detected |
| Beverly Hills | MI0000690 | Beverly Hills | 10,451 | <MRL | <MRL | 0 | No PFAS detected |
| Big Creek/Mentor Utility Authority | MI0000705 | Mio | 622 | <MRL | <MRL | 0 | No PFAS detected |
| Big Rapids | MI0000710 | Big Rapids | 10,403 | <MRL | <MRL | 0 | No PFAS detected |
| Blackman Township | MI0000740 | Jackson | 21,222 | <MRL | <MRL | 0 | No PFAS detected |
| Bloomfield Hills | MI0000775 | Waterford | 3,579 | <MRL | <MRL | 0 | No PFAS detected |
| Bloomfield Township | MI0000790 | Bloomfield Township | 41,691 | <MRL | <MRL | 0 | No PFAS detected |
| Boyne City, City Of | MI0000800 | Boyne City | 3,735 | <MRL | <MRL | 0 | No PFAS detected |
| Breckenridge, Village Of | MI0000820 | Breckenridge | 1,339 | <MRL | <MRL | 0 | No PFAS detected |
| Bridgeport Township | MI0000840 | Bridgeport | 10,104 | <MRL | <MRL | 0 | No PFAS detected |
| Brighton, City Of | MI0000860 | Brighton | 10,210 | <MRL | <MRL | 0 | No PFAS detected |
| Brownstown Township | MI0000940 | Brownstown Twp | 33,194 | <MRL | <MRL | 0 | No PFAS detected |
| Buchanan | MI0000960 | Buchanan | 4,871 | <MRL | <MRL | 0 | No PFAS detected |
| Buel Hill Estates (Dba Eagles Landing) | MI0040615 | Columbia | 400 | <MRL | <MRL | 0 | No PFAS detected |
| Burton, City Of | MI0001010 | Burton | 21,000 | <MRL | <MRL | 0 | No PFAS detected |
| Byron-Gaines Utility Authority | MI0001023 | Caledonia | 37,464 | <MRL | <MRL | 0 | No PFAS detected |
| Cadillac, City Of | MI0001030 | Cadillac | 10,355 | <MRL | <MRL | 0 | No PFAS detected |
| Caledonia Township | MI0001039 | Caledonia | 4,573 | <MRL | <MRL | 0 | No PFAS detected |
| Canton Township | MI0001100 | Canton | 99,627 | <MRL | <MRL | 0 | No PFAS detected |
| Caro, City Of | MI0001130 | Caro | 5,029 | <MRL | <MRL | 0 | No PFAS detected |
| Carrollton Township | MI0001160 | Saginaw | 5,705 | <MRL | <MRL | 0 | No PFAS detected |
| Carson City | MI0001170 | Carson City | 3,322 | <MRL | <MRL | 0 | No PFAS detected |
| Cedar Springs | MI0001260 | Cedar Springs | 3,520 | <MRL | <MRL | 0 | No PFAS detected |
| Center Line, City Of | MI0001290 | Center Line | 8,257 | <MRL | <MRL | 0 | No PFAS detected |
| Charter Township Of Alpena | MI0000170 | Alpena | 5,839 | <MRL | <MRL | 0 | No PFAS detected |
| Charter Township Of Delta | MI0001790 | Lansing | 21,856 | <MRL | <MRL | 0 | No PFAS detected |
| Charter Township Of Grand Blanc | MI0002745 | Grand Blanc | 21,000 | <MRL | <MRL | 0 | No PFAS detected |
| Cheboygan, City Of | MI0001360 | Cheboygan | 5,500 | <MRL | <MRL | 0 | No PFAS detected |
| Chelsea | MI0001370 | Chelsea | 5,474 | <MRL | <MRL | 0 | No PFAS detected |
| Chesterfield Township | MI0001390 | Chesterfield Township | 41,650 | <MRL | <MRL | 0 | No PFAS detected |
| Clawson | MI0001440 | Clawson | 11,825 | <MRL | <MRL | 0 | No PFAS detected |
| Clay Township | MI0001450 | Algonac | 9,866 | <MRL | <MRL | 0 | No PFAS detected |
| Clinton Township | MI0001480 | Clinton Township | 100,513 | <MRL | <MRL | 0 | No PFAS detected |
| Clyde Township | MI0001493 | Clyde | 2,400 | <MRL | <MRL | 0 | No PFAS detected |
| Coldwater | MI0001500 | Coldwater | 13,822 | <MRL | <MRL | 0 | No PFAS detected |
| Commerce Township | MI0001573 | Commerce Township | 19,811 | <MRL | <MRL | 0 | No PFAS detected |
| Coopersville | MI0001610 | Coopersville | 4,519 | <MRL | <MRL | 0 | No PFAS detected |
| Davison, City Of | MI0001720 | Davison | 5,000 | <MRL | <MRL | 0 | No PFAS detected |
| Dearborn | MI0001730 | Dearborn | 109,976 | <MRL | <MRL | 0 | No PFAS detected |
| Dearborn Heights | MI0001740 | Dearborn Heights | 57,774 | <MRL | <MRL | 0 | No PFAS detected |
| Detroit City Of | MI0001800 | Detroit | 633,218 | <MRL | <MRL | 0 | No PFAS detected |
| Dexter | MI0001810 | Dexter | 4,500 | <MRL | <MRL | 0 | No PFAS detected |
| Dowagiac | MI0001860 | Dowagiac | 6,350 | <MRL | <MRL | 0 | No PFAS detected |
| Durand, City Of | MI0001900 | Durand | 3,446 | <MRL | <MRL | 0 | No PFAS detected |
| Eagle Village, Inc. | MI0001932 | Hersey | 84 | <MRL | <MRL | 0 | No PFAS detected |
| East Bay Water Works | 055293603 | Sutton Bay | 7,284 | <MRL | <MRL | 0 | No PFAS detected |
| East Grand Rapids | MI0001960 | East Grand Rapids | 11,637 | <MRL | <MRL | 0 | No PFAS detected |
| East Jordan, City Of | MI0001970 | East Jordan | 2,215 | <MRL | <MRL | 0 | No PFAS detected |
| East Lansing, City Of | MI0001990 | East Lansing | 33,000 | <MRL | <MRL | 0 | No PFAS detected |
| Eastpointe, City Of | MI0001950 | Eastpointe | 32,442 | <MRL | <MRL | 0 | No PFAS detected |
| Eaton Rapids, City Of | MI0002020 | Eaton Rapids | 5,340 | <MRL | <MRL | 0 | No PFAS detected |
| Ecorse | MI0002050 | Ecorse | 9,305 | <MRL | <MRL | 0 | No PFAS detected |
| Escanaba | MI0002170 | Escanaba | 12,941 | <MRL | <MRL | 0 | No PFAS detected |
| Essexville, City Of | MI0002180 | Essexville | 3,478 | <MRL | <MRL | 0 | No PFAS detected |
| Fairview Area Schools | MI2007268 | Fairview | 348 | <MRL | <MRL | 0 | No PFAS detected |
| Farmington Hills, City Of | MI0002240 | Farmington Hills | 56,984 | <MRL | <MRL | 0 | No PFAS detected |
| Farmington, City Of | MI0002230 | Farmington | 11,597 | <MRL | <MRL | 0 | No PFAS detected |
| Ferndale | MI0002280 | Ferndale | 22,105 | <MRL | <MRL | 0 | No PFAS detected |
| Flat Rock | MI0002300 | Flat Rock | 10,541 | <MRL | <MRL | 0 | No PFAS detected |
| Flint, City Of | MI0002310 | Flint | 81,252 | <MRL | <MRL | 0 | No PFAS detected |
| Flushing, City Of | MI0002340 | Flushing | 8,311 | <MRL | <MRL | 0 | No PFAS detected |
| Fort Gratiot Township | MI0002385 | Fort Gratiot | 10,640 | <MRL | <MRL | 0 | No PFAS detected |
| Fowler, Village Of | MI0002390 | Fowler | 1,136 | <MRL | <MRL | 0 | No PFAS detected |
| Frankenlust Township | MI0002410 | Bay City | 3,626 | <MRL | <MRL | 0 | No PFAS detected |
| Frankenmuth, City Of | MI0002420 | Frankenmuth | 4,944 | <MRL | <MRL | 0 | No PFAS detected |
| Franklin-Quincy Water Authority | MI0005585 | Hancock | 260 | <MRL | <MRL | 0 | No PFAS detected |
| Fraser, City Of | MI0002460 | Fraser | 14,297 | <MRL | <MRL | 0 | No PFAS detected |
| Fruitport Township | MI0002507 | Fruitport | 9,355 | <MRL | <MRL | 0 | No PFAS detected |
| Garden City | MI0002550 | Garden City | 27,625 | <MRL | <MRL | 0 | No PFAS detected |
| Garfield Charter Township | MI0002565 | Traverse City | 12,899 | <MRL | <MRL | 0 | No PFAS detected |
| Genesee County Water System | MI0002615 | Flint | 73,726 | <MRL | <MRL | 0 | No PFAS detected |
| Genesee Township | MI0002617 | Genesee | 8,473 | <MRL | <MRL | 0 | No PFAS detected |
| Georgetown Township | MI0002620 | Jenison | 41,086 | <MRL | <MRL | 0 | No PFAS detected |
| Gibraltar | MI0002630 | Gibraltar | 4,997 | <MRL | <MRL | 0 | No PFAS detected |
| Glcs - Kellogg Elementary | MI2013339 | Richland | 268 | <MRL | <MRL | 0 | No PFAS detected |
| Gm Proving Grounds Well 5, 7, 8, 9 | MI2141963 | Milford | 4,100 | <MRL | <MRL | 0 | No PFAS detected |
| Grand Blanc, City Of | MI0002740 | Grand Blanc | 8,276 | <MRL | <MRL | 0 | No PFAS detected |
| Grand Haven Township | MI0002760 | Grand Haven | 15,051 | <MRL | <MRL | 0 | No PFAS detected |
| Grand Ledge, City Of | MI0002770 | Grand Ledge | 8,701 | <MRL | <MRL | 0 | No PFAS detected |
| Grand Rapids | MI0002790 | Grand Rapids | 306,901 | <MRL | <MRL | 0 | No PFAS detected |
| Grandville | MI0002820 | Grandville | 15,948 | <MRL | <MRL | 0 | No PFAS detected |
| Green Oak Twp - Centennial Farms | MI0001543 | Brighton | 900 | <MRL | <MRL | 0 | No PFAS detected |
| Greenmark Equipment | MI2032208 | Hastings | 40 | <MRL | <MRL | 0 | No PFAS detected |
| Grosse Ile Township | MI0002870 | Grosse Ile | 10,788 | <MRL | <MRL | 0 | No PFAS detected |
| Grosse Pointe Farms | MI0002890 | Grosse Pointe Farms | 9,757 | <MRL | <MRL | 0 | No PFAS detected |
| Grosse Pointe Park | MI0002900 | Grosse Pointe Park | 11,555 | <MRL | <MRL | 0 | No PFAS detected |
| Grosse Pointe Woods | MI0002920 | Grosse Pointe Woods | 16,135 | <MRL | <MRL | 0 | No PFAS detected |
| Grosse Pointe, City Of | MI0002880 | Grosse Pointe | 5,421 | <MRL | <MRL | 0 | No PFAS detected |
| Hampton Township | MI0002960 | Bay City | 9,652 | <MRL | <MRL | 0 | No PFAS detected |
| Hamtramck | MI0002970 | Hamtramck | 28,433 | <MRL | <MRL | 0 | No PFAS detected |
| Hancock | MI0002980 | Hancock | 4,500 | <MRL | <MRL | 0 | No PFAS detected |
| Hannahville Community | 055293611 | Wilson | 4,382 | <MRL | <MRL | 0 | No PFAS detected |
| Harper Woods | MI0003020 | Harper Woods | 14,236 | <MRL | <MRL | 0 | No PFAS detected |
| Harrison Township | MI0003040 | Harrison Township | 24,314 | <MRL | <MRL | 0 | No PFAS detected |
| Hastings | MI0003090 | Hastings | 7,514 | <MRL | <MRL | 0 | No PFAS detected |
| Hazel Park | MI0003100 | Hazel Park | 16,400 | <MRL | <MRL | 0 | No PFAS detected |
| Highland Park | MI0003140 | Highland Park | 8,443 | <MRL | <MRL | 0 | No PFAS detected |
| Highland Township | MI0003312 | Waterford | 3,837 | <MRL | <MRL | 0 | No PFAS detected |
| Hillsdale | MI0003170 | Hillsdale | 8,163 | <MRL | <MRL | 0 | No PFAS detected |
| Holland Board Of Public Works | MI0003190 | Holland | 49,687 | <MRL | <MRL | 0 | No PFAS detected |
| Holland Township Consolidated | MI0003195 | Holland | 26,100 | <MRL | <MRL | 0 | No PFAS detected |
| Holly, Village Of | MI0003200 | Holly | 8,557 | <MRL | <MRL | 0 | No PFAS detected |
| Houghton | MI0003230 | Houghton | 8,386 | <MRL | <MRL | 0 | No PFAS detected |
| Howell, City Of | MI0003250 | Howell | 9,914 | <MRL | <MRL | 0 | No PFAS detected |
| Hudsonville | MI0003290 | Hudsonville | 7,708 | <MRL | <MRL | 0 | No PFAS detected |
| Huntington Woods | MI0003310 | Huntington Woods | 6,200 | <MRL | <MRL | 0 | No PFAS detected |
| Huron Twp | MI0003320 | New Boston | 16,944 | <MRL | <MRL | 0 | No PFAS detected |
| Imlay City, City Of | MI0003340 | Imlay City | 3,579 | <MRL | <MRL | 0 | No PFAS detected |
| Inkster | MI0003360 | Inkster | 25,076 | <MRL | <MRL | 0 | No PFAS detected |
| Ionia | MI0003370 | Ionia | 11,708 | <MRL | <MRL | 0 | No PFAS detected |
| Ira Township | MI0003390 | Ira | 6,510 | <MRL | <MRL | 0 | No PFAS detected |
| Iron Mountain | MI0003400 | Iron Mountain | 7,500 | <MRL | <MRL | 0 | No PFAS detected |
| Ironwood | MI0003420 | Ironwood | 5,387 | <MRL | <MRL | 0 | No PFAS detected |
| Ishpeming | MI0003440 | Ishpeming | 6,470 | <MRL | <MRL | 0 | No PFAS detected |
| Jackson | MI0003470 | Jackson | 33,165 | <MRL | <MRL | 0 | No PFAS detected |
| Jamestown Township | MI0003474 | Hudsonville | 3,330 | <MRL | <MRL | 0 | No PFAS detected |
| Kalamazoo Lake Sewer & Water Authority | MI0003525 | Saugatuck | 5,000 | <MRL | <MRL | 0 | No PFAS detected |
| Kentwood | MI0003620 | Kentwood | 36,072 | <MRL | <MRL | 0 | No PFAS detected |
| Kimball Township | MI0003628 | Kimball | 5,170 | <MRL | <MRL | 0 | No PFAS detected |
| Kochville Township | MI0003667 | Saginaw | 4,695 | <MRL | <MRL | 0 | No PFAS detected |
| Lake Charter Township | MI0003741 | Bridgman | 4,177 | <MRL | <MRL | 0 | No PFAS detected |
| Lansing Board Of Water & Light | MI0003760 | Lansing | 166,000 | <MRL | <MRL | 0 | No PFAS detected |
| Lansing Township | MI0003770 | Lansing | 5,500 | <MRL | <MRL | 0 | No PFAS detected |
| Lapeer, City Of | MI0003780 | Lapeer | 9,023 | <MRL | <MRL | 0 | No PFAS detected |
| Lathrup Village | MI0003800 | Lathrup Village | 4,075 | <MRL | <MRL | 0 | No PFAS detected |
| Lincoln Park | MI0003870 | Lincoln Park | 38,144 | <MRL | <MRL | 0 | No PFAS detected |
| Linden, City Of | MI0003890 | Linden | 4,150 | <MRL | <MRL | 0 | No PFAS detected |
| Little River Tribal Water System | 055293702 | Manistee | 2,802 | <MRL | <MRL | 0 | No PFAS detected |
| Livonia | MI0003930 | Livonia | 96,942 | <MRL | <MRL | 0 | No PFAS detected |
| Lowell | MI0003950 | Lowell | 4,150 | <MRL | <MRL | 0 | No PFAS detected |
| Ludington | MI0003960 | Ludington | 8,184 | <MRL | <MRL | 0 | No PFAS detected |
| Lyon Township | MI0003968 | New Hudson | 9,390 | <MRL | <MRL | 0 | No PFAS detected |
| Macomb Township | MI0003990 | Macomb | 90,000 | <MRL | <MRL | 0 | No PFAS detected |
| Madison Heights | MI0004000 | Madison Heights | 29,694 | <MRL | <MRL | 0 | No PFAS detected |
| Madison Township | MI0004006 | Adrian | 3,480 | <MRL | <MRL | 0 | No PFAS detected |
| Mancelona Area Water And Sewer Authority | MI0004010 | Mancelona | 3,900 | <MRL | <MRL | 0 | No PFAS detected |
| Manistee, City Of | MI0004030 | Manistee | 6,200 | <MRL | <MRL | 0 | No PFAS detected |
| Marine City | MI0004090 | Marine City | 4,652 | <MRL | <MRL | 0 | No PFAS detected |
| Marquette | MI0004120 | Marquette | 20,629 | <MRL | <MRL | 0 | No PFAS detected |
| Marshall | MI0004150 | Marshall | 7,088 | <MRL | <MRL | 0 | No PFAS detected |
| Marysville, City Of | MI0004160 | Marysville | 9,959 | <MRL | <MRL | 0 | No PFAS detected |
| Mason, City Of | MI0004170 | Mason | 8,252 | <MRL | <MRL | 0 | No PFAS detected |
| Melvindale | MI0004220 | Melvindale | 12,851 | <MRL | <MRL | 0 | No PFAS detected |
| Menominee | MI0004250 | Menominee | 8,583 | <MRL | <MRL | 0 | No PFAS detected |
| Meridian Township | MI0004260 | Okemos | 25,600 | <MRL | <MRL | 0 | No PFAS detected |
| Mhog Sewer & Water Authority | MI0004098 | Brighton | 17,046 | <MRL | <MRL | 0 | No PFAS detected |
| Michigan State University | MI0004340 | East Lansing | 12,793 | <MRL | <MRL | 0 | No PFAS detected |
| Midland Co., Water Dist. No. 1 Of | MI0004375 | Sanford | 11,000 | <MRL | <MRL | 0 | No PFAS detected |
| Milan | MI0004380 | Milan | 7,363 | <MRL | <MRL | 0 | No PFAS detected |
| Milford, Village Of | MI0004390 | Milford | 6,366 | <MRL | <MRL | 0 | No PFAS detected |
| Monitor Township | MI0004440 | Bay City | 5,217 | <MRL | <MRL | 0 | No PFAS detected |
| Monroe | MI0004450 | Monroe | 49,467 | <MRL | <MRL | 0 | No PFAS detected |
| Monroe South County | MI0004455 | Monroe | 33,816 | <MRL | <MRL | 0 | No PFAS detected |
| Moran Twp Schls/Gros Cap | MI2044449 | St. Ignance | 102 | <MRL | <MRL | 0 | No PFAS detected |
| Mount Morris, City Of | MI0004520 | Mt Morris | 3,086 | <MRL | <MRL | 0 | No PFAS detected |
| Mount Pleasant | MI0004530 | Mt Pleasant | 21,688 | <MRL | <MRL | 0 | No PFAS detected |
| Mt. Pleasant | 055293201 | Mt. Pleasant | 10,198 | <MRL | <MRL | 0 | No PFAS detected |
| Musk Co Northside Water System | MI0004577 | Muskgon | 5,133 | <MRL | <MRL | 0 | No PFAS detected |
| Muskegon | MI0004570 | Muskegon | 37,213 | <MRL | <MRL | 0 | No PFAS detected |
| Muskegon Co Eastside Water System | MI0004590 | Muskgon | 7,135 | <MRL | <MRL | 0 | No PFAS detected |
| Muskegon Heights | MI0004580 | Muskegon Heights | 9,917 | <MRL | <MRL | 0 | No PFAS detected |
| Nashville | MI0004620 | Nashville | 1,628 | <MRL | <MRL | 0 | No PFAS detected |
| Nazarene Camp | MI0004647 | Vicksburg | 648 | <MRL | <MRL | 0 | No PFAS detected |
| Negaunee | MI0004650 | Negaunee | 4,568 | <MRL | <MRL | 0 | No PFAS detected |
| New Baltimore, City Of | MI0004670 | New Baltimore | 12,720 | <MRL | <MRL | 0 | No PFAS detected |
| New Haven, Village Of | MI0004690 | New Haven | 5,600 | <MRL | <MRL | 0 | No PFAS detected |
| Niles | MI0004740 | Niles | 14,215 | <MRL | <MRL | 0 | No PFAS detected |
| North Branch, Village Of | MI0004770 | North Branch | 1,021 | <MRL | <MRL | 0 | No PFAS detected |
| North Muskegon | MI0004780 | North Muskegon | 3,786 | <MRL | <MRL | 0 | No PFAS detected |
| Northville | MI0004830 | Northville | 6,119 | <MRL | <MRL | 0 | No PFAS detected |
| Northville Township | MI0004845 | Northville | 32,103 | <MRL | <MRL | 0 | No PFAS detected |
| Northwest High School | MI2014038 | Jackson | 916 | <MRL | <MRL | 0 | No PFAS detected |
| Norton Shores | MI0004850 | Norton Shores | 23,994 | <MRL | <MRL | 0 | No PFAS detected |
| Norway | MI0004860 | Norway | 3,314 | <MRL | <MRL | 0 | No PFAS detected |
| Novi, City Of | MI0004870 | Novi | 56,780 | <MRL | <MRL | 0 | No PFAS detected |
| Ontonagon | MI0005030 | Ontonagon | 2,607 | <MRL | <MRL | 0 | No PFAS detected |
| Orion Township | MI0005035 | Lake Orion | 33,000 | <MRL | <MRL | 0 | No PFAS detected |
| Oscoda Township | MI0005040 | Oscoda | 6,997 | <MRL | <MRL | 0 | No PFAS detected |
| Owosso, City Of | MI0005120 | Owosso | 16,353 | <MRL | <MRL | 0 | No PFAS detected |
| Oxford Township | MI0005138 | Waterford | 10,407 | <MRL | <MRL | 0 | No PFAS detected |
| Oxford, Village Of | MI0005130 | Oxford | 3,540 | <MRL | <MRL | 0 | No PFAS detected |
| Park Township (Hbpw Service Area) | MI0005203 | Holland | 10,700 | <MRL | <MRL | 0 | No PFAS detected |
| Paw Paw | MI0005210 | Paw Paw | 3,362 | <MRL | <MRL | 0 | No PFAS detected |
| Pennfield Township | MI0004760 | Battle Creek | 3,916 | <MRL | <MRL | 0 | No PFAS detected |
| Petoskey, City Of | MI0005300 | Petoskey | 8,979 | <MRL | <MRL | 0 | No PFAS detected |
| Pittsfield Township | MI0005360 | Ann Arbor | 24,500 | <MRL | <MRL | 0 | No PFAS detected |
| Plainwell | MI0005380 | Plainwell | 3,998 | <MRL | <MRL | 0 | No PFAS detected |
| Plymouth | MI0005400 | Plymouth | 9,132 | <MRL | <MRL | 0 | No PFAS detected |
| Plymouth Township | MI0005420 | Plymouth | 27,524 | <MRL | <MRL | 0 | No PFAS detected |
| Port Hope-Gore-Rubicon U. A. | MI0005475 | Port Hope | 1,058 | <MRL | <MRL | 0 | No PFAS detected |
| Port Huron Township | MI0005490 | Port Huron | 10,654 | <MRL | <MRL | 0 | No PFAS detected |
| Port Huron, City Of | MI0005480 | Port Huron | 28,983 | <MRL | <MRL | 0 | No PFAS detected |
| Portland | MI0005530 | Portland | 3,883 | <MRL | <MRL | 0 | No PFAS detected |
| Prescott-Hidden Creek Manor | MI0005570 | Lansing | 38 | <MRL | <MRL | 0 | No PFAS detected |
| Redford Township | MI0005640 | Redford | 49,504 | <MRL | <MRL | 0 | No PFAS detected |
| Richmond, City Of | MI0005670 | Richmond | 6,200 | <MRL | <MRL | 0 | No PFAS detected |
| River Rouge | MI0005690 | River Rouge | 7,224 | <MRL | <MRL | 0 | No PFAS detected |
| Riverview | MI0005710 | Riverview | 12,486 | <MRL | <MRL | 0 | No PFAS detected |
| Rochester | MI0005720 | Rochester | 7,130 | <MRL | <MRL | 0 | No PFAS detected |
| Rochester East | MI0005723 | Rochester | 5,100 | <MRL | <MRL | 0 | No PFAS detected |
| Rochester Hills | MI0000325 | Rochester Hills | 74,000 | <MRL | <MRL | 0 | No PFAS detected |
| Rockford | MI0005730 | Rockford | 7,160 | <MRL | <MRL | 0 | No PFAS detected |
| Romeo, Village Of | MI0005780 | Armada | 3,750 | <MRL | <MRL | 0 | No PFAS detected |
| Romulus | MI0005785 | Romulus | 23,989 | <MRL | <MRL | 0 | No PFAS detected |
| Roosevelt Park | MI0005800 | Muskegon | 4,172 | <MRL | <MRL | 0 | No PFAS detected |
| Royal Oak, City Of | MI0005830 | Royal Oak | 57,236 | <MRL | <MRL | 0 | No PFAS detected |
| Saganing | 050593203 | Standish | 5,350 | <MRL | <MRL | 0 | No PFAS detected |
| Saginaw Charter Township | MI0005860 | Saginaw | 40,840 | <MRL | <MRL | 0 | No PFAS detected |
| Saline | MI0005900 | Saline | 9,158 | <MRL | <MRL | 0 | No PFAS detected |
| Sanilac Isd | MI2003376 | Peck | 650 | <MRL | <MRL | 0 | No PFAS detected |
| Sanilac Township | MI0005925 | Port Sanilac | 674 | <MRL | <MRL | 0 | No PFAS detected |
| Sault Ste Marie | MI0005950 | Sault Ste. Marie | 14,689 | <MRL | <MRL | 0 | No PFAS detected |
| Shelby Township | MI0006010 | Shelby Township | 72,000 | <MRL | <MRL | 0 | No PFAS detected |
| Sims-Whitney Utilities Auth. | MI0006073 | Tawas City | 5,815 | <MRL | <MRL | 0 | No PFAS detected |
| South Haven Area Water & Sewer Authority | MI0006101 | South Haven | 8,914 | <MRL | <MRL | 0 | No PFAS detected |
| Southfield | MI0006160 | Southfield | 71,739 | <MRL | <MRL | 0 | No PFAS detected |
| Southgate | MI0006170 | Southgate | 30,047 | <MRL | <MRL | 0 | No PFAS detected |
| Southwest Michigan Regional Sanitary Sew | MI0003726 | St. Joseph | 26,780 | <MRL | <MRL | 0 | No PFAS detected |
| Southwest Oakland Township | MI0004878 | Waterford | 4,943 | <MRL | <MRL | 0 | No PFAS detected |
| Sparta | MI0006200 | Sparta | 4,140 | <MRL | <MRL | 0 | No PFAS detected |
| Spsm | MI0006370 | Jackson | 7,166 | <MRL | <MRL | 0 | No PFAS detected |
| St Joseph | MI0006310 | St. Joseph | 7,930 | <MRL | <MRL | 0 | No PFAS detected |
| St. Clair Shores, City Of | MI0006280 | St. Clair Shores | 59,715 | <MRL | <MRL | 0 | No PFAS detected |
| St. Clair Water And Sewer Authority | MI0006284 | East China | 5,847 | <MRL | <MRL | 0 | No PFAS detected |
| St. Clair, City Of | MI0006270 | St. Clair | 5,464 | <MRL | <MRL | 0 | No PFAS detected |
| St. Johns, City Of | MI0006300 | St. Johns | 7,896 | <MRL | <MRL | 0 | No PFAS detected |
| St. Louis, City Of | MI0006320 | St. Louis | 6,976 | <MRL | <MRL | 0 | No PFAS detected |
| Sterling Heights, City Of | MI0006385 | Sterling Heights | 127,000 | <MRL | <MRL | 0 | No PFAS detected |
| Sturgis | MI0006440 | Sturgis | 11,920 | <MRL | <MRL | 0 | No PFAS detected |
| Summit Township | MI0006450 | Jackson | 25,355 | <MRL | <MRL | 0 | No PFAS detected |
| Sumpter Township | MI0006460 | Belleville | 9,576 | <MRL | <MRL | 0 | No PFAS detected |
| Swartz Creek, City Of | MI0006505 | Swartz Creek | 5,800 | <MRL | <MRL | 0 | No PFAS detected |
| Taylor | MI0006545 | Taylor | 63,409 | <MRL | <MRL | 0 | No PFAS detected |
| Tecumseh | MI0006560 | Tecumseh | 8,521 | <MRL | <MRL | 0 | No PFAS detected |
| Thomas Township | MI0006580 | Saginaw | 11,931 | <MRL | <MRL | 0 | No PFAS detected |
| Tittabawassee Township | MI0002470 | Freeland | 9,227 | <MRL | <MRL | 0 | No PFAS detected |
| Traverse City | MI0006640 | Traverse City | 14,532 | <MRL | <MRL | 0 | No PFAS detected |
| Treetops The Lodge | MI2001369 | Gaylord | 600 | <MRL | <MRL | 0 | No PFAS detected |
| Trenton | MI0006650 | Trenton | 18,544 | <MRL | <MRL | 0 | No PFAS detected |
| Troy | MI0006690 | Troy | 85,854 | <MRL | <MRL | 0 | No PFAS detected |
| Upper Michigan Water Company | MI0004800 | Calumet | 5,535 | <MRL | <MRL | 0 | No PFAS detected |
| Van Buren Township | MI0006770 | Van Buren Township | 27,359 | <MRL | <MRL | 0 | No PFAS detected |
| Walled Lake, City Of | MI0006875 | Waterford | 5,260 | <MRL | <MRL | 0 | No PFAS detected |
| Warren, City Of | MI0006900 | Warren | 134,056 | <MRL | <MRL | 0 | No PFAS detected |
| Washington Township | MI0006905 | Washington | 15,828 | <MRL | <MRL | 0 | No PFAS detected |
| Wayland | MI0006940 | Wayland | 4,435 | <MRL | <MRL | 0 | No PFAS detected |
| Wayne | MI0006950 | Wayne | 17,713 | <MRL | <MRL | 0 | No PFAS detected |
| West Bloomfield Township | MI0006975 | West Bloomfield | 49,479 | <MRL | <MRL | 0 | No PFAS detected |
| Westland | MI0007040 | Westland | 85,420 | <MRL | <MRL | 0 | No PFAS detected |
| Williams Township | MI0007125 | Bay City | 5,444 | <MRL | <MRL | 0 | No PFAS detected |
| Williamston, City Of | MI0007120 | Williamston | 3,917 | <MRL | <MRL | 0 | No PFAS detected |
| Wixom, City Of | MI0007135 | Wixom | 13,928 | <MRL | <MRL | 0 | No PFAS detected |
| Woodhaven | MI0007180 | Woodhaven | 12,941 | <MRL | <MRL | 0 | No PFAS detected |
| Worth Township | MI0003856 | Lexington | 3,854 | <MRL | <MRL | 0 | No PFAS detected |
| Wyandotte | MI0007210 | Wyandotte | 25,883 | <MRL | <MRL | 0 | No PFAS detected |
| Wyoming | MI0007220 | Holland | 76,501 | <MRL | <MRL | 0 | No PFAS detected |
| Ypsilanti Community Utility Authority | MI0007260 | Ypsilanti | 53,988 | <MRL | <MRL | 0 | No PFAS detected |
| Zeeland Board Of Public Works | MI0007270 | Zeeland | 8,328 | <MRL | <MRL | 0 | No PFAS detected |
Highest single result for each system; PFOA and PFOS in ppt (ng/L). Entry-point samples, not tap water; screening comparisons, not compliance determinations.