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PFAS Contamination

PFAS in Michigan Drinking Water

Ranked by number of PFAS compounds detected · Data from EPA SDWIS & UCMR

256
Cities Tested
8
Exceeds Limit
3%
% Exceeds Limit
0.4 compounds
State Avg
▼ 18% vs national
vs National
344
Health Violations
Analysis

PFAS in Michigan: what the data shows

Michigan has 256 cities with PFAS monitoring data from the EPA's UCMR 5 program. PFAS ("forever chemicals") were detected in 75 of those cities (29%), with some cities exceeding the EPA's 2024 maximum contaminant levels of 4 ppt. The state average is better than the national average. 8 cities exceed the EPA MCL for at least one PFAS compound. PFAS are linked to cancer, immune system disruption, and developmental issues. The 2024 EPA rule requires water systems exceeding the MCL to notify customers and reduce levels by 2029. PFAS data comes from the EPA's Unregulated Contaminant Monitoring Rule 5 (UCMR 5), which required large water systems to test for 29 PFAS compounds between 2023–2025. Not all systems have completed testing — cities without data may still have PFAS present.

Comparison

Cities exceeding EPA MCL (4 ppt each)

Michigan
3%
8 of 256 cities
← ▼ 18% below national rate (better)
National avg
21%
1636 of 7745 cities
City Map

PFAS data across Michigan

Each dot is a city, colored by overall water quality grade. PFAS-tested cities are shown; those exceeding the 4 ppt EPA MCL appear in red. Size reflects population served.

Worst Offenders

Top 10 cities by pfas level in Michigan

Highest PFAS levels (compounds)

  1. 1 B+ Clarkston 9 compounds Yes 14K
  2. 2 F Kalamazoo 5 compounds Yes 194K
  3. 3 B- Otsego 5 compounds 5K
  4. 4 D+ Ann Arbor 4 compounds 279K
  5. 5 A- Kingsford 3 compounds 5K
  6. 6 A Kincheloe 3 compounds 5K
  7. 7 B- Grand Rapids 2 compounds 316K
  8. 8 B Waterford 2 compounds 99K
  9. 9 B+ Portage 2 compounds 46K
  10. 10 C Mt Pleasant 2 compounds 14K
All Cities

All Michigan cities ranked by pfas level

# City Level Level Exceeds? Violations Grade
1 Clarkston 9 compounds
Yes 10
B+
2 Kalamazoo 5 compounds
Yes 37
F
3 Otsego 5 compounds
No 2
B-
4 Ann Arbor 4 compounds
No 39
D+
5 Kingsford 3 compounds
No 7
A-
6 Kincheloe 3 compounds
No 10
A
7 Grand Rapids 2 compounds
No 10
B-
8 Waterford 2 compounds
No 11
B
9 Portage 2 compounds
No 1
B+
10 Mt Pleasant 2 compounds
No 0
C
11 Fenton 2 compounds
No 5
D
12 Rockford 2 compounds
No 6
C
13 South Lyon 2 compounds
No 1
B
14 Charlotte 2 compounds
No 0
A-
15 Gaylord 2 compounds
No 8
B+
16 Middleville 2 compounds
No 11
B-
17 Hesperia 2 compounds
No 3
B-
18 Indiantown 2 compounds
Yes 47
D+
19 Lansing 1 compounds
No 13
C-
20 Flint 1 compounds
No 29
D
21 Saginaw 1 compounds
No 3
A-
22 Monroe 1 compounds
No 6
C
23 Jackson 1 compounds
No 13
D
24 Pontiac 1 compounds
No 2
A
25 Ypsilanti 1 compounds
No 5
B+
26 Battle Creek 1 compounds
No 15
F
27 Midland 1 compounds
No 3
B+
28 Roseville 1 compounds
No 0
A
29 East Lansing 1 compounds
No 12
F
30 Brighton 1 compounds
No 25
F
31 Traverse City 1 compounds
No 12
D+
32 Oak Park 1 compounds
No 0
A-
33 Grand Blanc 1 compounds
No 26
F
34 Adrian 1 compounds
No 46
F
35 Allen Park 1 compounds
No 4
B+
36 Okemos 1 compounds
No 10
B-
37 Grand Haven 1 compounds
Yes 1
A-
38 Auburn Hills 1 compounds
No 1
B+
39 Birmingham 1 compounds
No 17
F
40 Owosso 1 compounds
No 15
C+
41 Mount Clemens 1 compounds
No 3
B+
42 Spring Lake 1 compounds
Yes 1
B+
43 Howell 1 compounds
No 11
F
44 Mount Pleasant 1 compounds
No 1
B+
45 Alma 1 compounds
No 0
A-
46 Mason 1 compounds
No 3
B+
47 Greenville 1 compounds
No 3
B
48 Holly 1 compounds
No 9
C-
49 Grand Ledge 1 compounds
No 2
A-
50 Tecumseh 1 compounds
No 0
A+
51 Three Rivers 1 compounds
No 16
B+
52 St. Johns 1 compounds
No 0
B
53 Milan 1 compounds
No 0
A-
54 St. Louis 1 compounds
No 1
A-
55 Richmond 1 compounds
No 4
C+
56 White Lake 1 compounds
No 1
B-
57 Cheboygan 1 compounds
No 1
B
58 Dundee 1 compounds
Yes 5
A-
59 Caledonia 1 compounds
No 2
B-
60 Utica 1 compounds
No 0
B+
61 Caro 1 compounds
No 1
A-
62 Davison 1 compounds
No 0
A
63 Saugatuck 1 compounds
No 1
B+
64 Gladstone 1 compounds
Yes 2
A-
65 Fremont 1 compounds
Yes 3
B+
66 Linden 1 compounds
No 7
D
67 Portland 1 compounds
No 3
C+
68 Williamston 1 compounds
No 1
A+
69 Springfield 1 compounds
No 3
B
70 Durand 1 compounds
No 6
A-
71 Carson City 1 compounds
No 1
B+
72 Blissfield 1 compounds
No 6
A
73 Breckenridge 1 compounds
No 0
A
74 Fowler 1 compounds
No 1
A-
75 North Branch 1 compounds
No 0
A
76 Detroit 0 compounds
No 3
B+
77 Warren 0 compounds
No 0
A
78 Sterling Heights 0 compounds
No 0
A
79 Dearborn 0 compounds
No 0
A-
80 Clinton Township 0 compounds
No 1
B+
81 Canton 0 compounds
No 3
A
82 Livonia 0 compounds
No 0
A
83 Southfield 0 compounds
No 40
F
84 Bay City 0 compounds
No 20
B
85 Macomb 0 compounds
No 0
A
86 Troy 0 compounds
No 10
B-
87 Farmington Hills 0 compounds
No 86
F
88 Holland 0 compounds
No 20
B-
89 Rochester Hills 0 compounds
No 0
A-
90 Shelby Township 0 compounds
No 6
D
91 Taylor 0 compounds
No 2
C
92 Novi 0 compounds
No 9
C
93 St. Clair Shores 0 compounds
No 1
A
94 Royal Oak 0 compounds
No 9
B
95 Dearborn Heights 0 compounds
No 2
C+
96 West Bloomfield 0 compounds
No 21
F
97 Redford 0 compounds
No 1
B
98 Port Huron 0 compounds
No 0
A-
99 Chesterfield Township 0 compounds
No 0
A-
100 Jenison 0 compounds
No 0
A-
101 Bloomfield Township 0 compounds
No 0
A+
102 Muskegon 0 compounds
No 3
B
103 Northville 0 compounds
No 3
B+
104 Lincoln Park 0 compounds
No 0
B+
105 Byron Center 0 compounds
No 0
A+
106 Plymouth 0 compounds
No 0
A-
107 Kentwood 0 compounds
No 3
B
108 Lake Orion 0 compounds
No 0
A-
109 Brownstown Twp 0 compounds
No 0
A-
110 Eastpointe 0 compounds
No 0
A
111 Southgate 0 compounds
No 0
A-
112 Madison Heights 0 compounds
No 0
B+
113 Garden City 0 compounds
No 0
B
114 St Joseph 0 compounds
No 2
A
115 Wyandotte 0 compounds
No 0
B+
116 Inkster 0 compounds
No 0
B
117 Harrison Township 0 compounds
No 0
A
118 Norton Shores 0 compounds
No 0
A
119 Romulus 0 compounds
No 0
B+
120 Marquette 0 compounds
No 4
F
121 Hamtramck 0 compounds
No 2
B-
122 Ferndale 0 compounds
No 4
B
123 Burton 0 compounds
No 2
A
124 Commerce Township 0 compounds
No 0
A+
125 Allendale 0 compounds
No 0
A-
126 Trenton 0 compounds
No 1
A-
127 Wayne 0 compounds
No 0
B-
128 Niles 0 compounds
No 2
C
129 Hazel Park 0 compounds
No 0
A+
130 Alpena 0 compounds
No 14
C-
131 Washington 0 compounds
No 0
A
132 Grandville 0 compounds
No 0
A-
133 Grosse Pointe Woods 0 compounds
No 0
B
134 New Boston 0 compounds
No 0
A-
135 Benton Harbor 0 compounds
No 16
D+
136 Sault Ste. Marie 0 compounds
No 2
B-
137 Berkley 0 compounds
No 0
A-
138 Fraser 0 compounds
No 0
A-
139 Harper Woods 0 compounds
No 2
B
140 Coldwater 0 compounds
No 27
F
141 Algonac 0 compounds
No 0
A+
142 Wixom 0 compounds
No 0
A
143 Belleville 0 compounds
No 4
D
144 Ionia 0 compounds
No 3
A
145 Escanaba 0 compounds
No 0
A-
146 Woodhaven 0 compounds
No 0
A
147 Melvindale 0 compounds
No 2
A-
148 New Baltimore 0 compounds
No 1
A
149 Rochester 0 compounds
No 2
A
150 Riverview 0 compounds
No 0
A+
151 Muskgon 0 compounds
No 1
A
152 Farmington 0 compounds
No 2
A
153 Sturgis 0 compounds
No 1
A
154 Clawson 0 compounds
No 0
B+
155 East Grand Rapids 0 compounds
No 0
B+
156 Fort Gratiot 0 compounds
No 1
A
157 Grosse Pointe Park 0 compounds
No 1
B+
158 Cadillac 0 compounds
No 1
A
159 Sanford 0 compounds
No 3
A-
160 Petoskey 0 compounds
No 5
B-
161 Flat Rock 0 compounds
No 2
A
162 Big Rapids 0 compounds
No 3
B+
163 Houghton 0 compounds
No 2
B-
164 Beverly Hills 0 compounds
No 0
A-
165 Suttons Bay 0 compounds
No 4
B+
166 Grosse Ile 0 compounds
No 1
B-
167 Marysville 0 compounds
No 6
B
168 Freeland 0 compounds
No 26
F
169 Milford 0 compounds
No 20
D
170 Manistee 0 compounds
No 3
A-
171 Bridgeport 0 compounds
No 0
A+
172 Muskegon Heights 0 compounds
No 2
B+
173 Newport 0 compounds
No 0
A
174 Grosse Pointe Farms 0 compounds
No 5
A-
175 South Haven 0 compounds
No 26
B-
176 Albion 0 compounds
No 6
B
177 Ecorse 0 compounds
No 0
B+
178 New Hudson 0 compounds
No 1
B
179 Oscoda 0 compounds
No 3
D
180 Lapeer 0 compounds
No 22
F
181 Saline 0 compounds
No 0
B+
182 Fruitport 0 compounds
No 0
B+
183 Calumet 0 compounds
No 2
B+
184 Ishpeming 0 compounds
No 17
B
185 Ludington 0 compounds
No 0
A-
186 Hillsdale 0 compounds
No 3
A-
187 Highland Park 0 compounds
No 3
A-
188 Menominee 0 compounds
No 3
A
189 Flushing 0 compounds
No 3
C-
190 Genesee 0 compounds
No 0
A-
191 Tawas City 0 compounds
No 1
A
192 Zeeland 0 compounds
No 0
A+
193 Center Line 0 compounds
No 0
B+
194 Hudsonville 0 compounds
No 0
B+
195 Hastings 0 compounds
No 5
B-
196 Dowagiac 0 compounds
No 2
C-
197 Iron Mountain 0 compounds
No 14
B+
198 Ada 0 compounds
No 20
B
199 River Rouge 0 compounds
No 1
B-
200 Marshall 0 compounds
No 0
A-
201 Bloomfield Hills 0 compounds
No 11
F
202 Berrien Springs 0 compounds
No 7
C+
203 Ira 0 compounds
No 0
A
204 Lowell 0 compounds
No 25
B
205 Frankenmuth 0 compounds
No 0
A+
206 Bridgman 0 compounds
No 1
A+
207 Huntington Woods 0 compounds
No 0
A
208 Plainwell 0 compounds
No 8
B-
209 Allegan 0 compounds
No 2
B+
210 Carleton 0 compounds
No 0
A-
211 Belding 0 compounds
No 12
B-
212 Ironwood 0 compounds
No 2
B+
213 East China 0 compounds
No 0
A
214 Swartz Creek 0 compounds
No 3
A-
215 Chelsea 0 compounds
No 10
B
216 New Haven 0 compounds
No 1
B
217 Kimball 0 compounds
No 0
B+
218 Negaunee 0 compounds
No 3
C+
219 Eaton Rapids 0 compounds
No 3
B-
220 St. Clair 0 compounds
No 1
B+
221 Walled Lake 0 compounds
No 0
A
222 Grosse Pointe 0 compounds
No 0
A
223 Lexington 0 compounds
No 4
B
224 Wayland 0 compounds
No 2
A-
225 Gibraltar 0 compounds
No 1
A-
226 Buchanan 0 compounds
No 6
B+
227 Hancock 0 compounds
No 3
A-
228 Marine City 0 compounds
No 1
B+
229 Coopersville 0 compounds
No 0
B+
230 Dexter 0 compounds
No 0
A
231 Sparta 0 compounds
No 3
B+
232 Wilson 0 compounds
No 0
A
233 Boyne City 0 compounds
No 2
B
234 Cedar Springs 0 compounds
No 31
C-
235 Lathrup Village 0 compounds
No 0
A-
236 Mancelona 0 compounds
No 3
B+
237 Whittaker 0 compounds
No 0
A-
238 Roosevelt Park 0 compounds
No 0
A
239 Sarasota 0 compounds
No 0
A-
240 North Muskegon 0 compounds
No 0
B+
241 Oxford 0 compounds
No 19
B
242 Imlay City 0 compounds
No 1
A
243 Vicksburg 0 compounds
No 6
B-
244 Essexville 0 compounds
No 1
A-
245 Paw Paw 0 compounds
No 2
A-
246 Jamestown 0 compounds
No 0
A-
247 Norway 0 compounds
No 4
A
248 Mount Morris 0 compounds
No 2
A-
249 Ontonagon 0 compounds
No 0
A+
250 East Jordan 0 compounds
No 7
A-
251 Clyde 0 compounds
No 0
A
252 Nashville 0 compounds
No 6
B
253 Port Hope 0 compounds
No 6
A
254 Port Sanilac 0 compounds
No 1
A-
255 Mio 0 compounds
No 8
A
256 Davenport 0 compounds
No 5
C+
FAQ

Frequently asked questions about pfas in Michigan

Does Michigan tap water contain PFAS?

PFAS were detected in 75 of 256 Michigan cities tested under EPA's UCMR 5 program. 8 cities exceed the 2024 EPA MCL of 4 ppt for individual PFAS compounds.

How can I remove PFAS from my drinking water in Michigan?

Reverse osmosis (RO) systems are the most effective at removing PFAS, typically removing 90%+ of compounds. High-quality activated carbon block filters (NSF 58-certified for RO, or NSF 53 for solid carbon) also provide significant reduction. Standard pitcher filters vary widely in PFAS removal.

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All states

PFAS in drinking water by state

AlabamaAlaskaArizonaArkansasCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaGeorgiaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew JerseyNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming
← PFAS contamination overview Explore Michigan water quality → National PFAS map →