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PFAS Contamination

PFAS in Michigan Drinking Water

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

258
Cities Tested
8
Exceeds Limit
3%
% Exceeds Limit
0.4 compounds
State Avg
▼ 18% vs national
vs National
351
Health Violations
Analysis

PFAS in Michigan: what the data shows

Michigan has 258 cities with PFAS monitoring data from the EPA's UCMR 5 program. PFAS ("forever chemicals") were detected in 76 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 258 cities
← ▼ 18% below national rate (better)
National avg
21%
1662 of 7853 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 47K
  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 Mount Pleasant 1 compounds
No 1
B
33 Oak Park 1 compounds
No 0
A-
34 Grand Blanc 1 compounds
No 26
F
35 Adrian 1 compounds
No 46
F
36 Allen Park 1 compounds
No 4
B+
37 Okemos 1 compounds
No 10
B-
38 Grand Haven 1 compounds
Yes 1
A-
39 Auburn Hills 1 compounds
No 1
B+
40 Birmingham 1 compounds
No 17
F
41 Owosso 1 compounds
No 15
C+
42 Mount Clemens 1 compounds
No 3
B+
43 Spring Lake 1 compounds
Yes 1
B+
44 Howell 1 compounds
No 11
F
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 Fremont 1 compounds
Yes 3
B+
65 Gladstone 1 compounds
Yes 2
A-
66 Springfield 1 compounds
No 3
B
67 Linden 1 compounds
No 7
D
68 Portland 1 compounds
No 3
C+
69 Williamston 1 compounds
No 1
A+
70 Romeo 1 compounds
No 1
A-
71 Durand 1 compounds
No 6
A-
72 Carson City 1 compounds
No 1
B+
73 Blissfield 1 compounds
No 6
A
74 Breckenridge 1 compounds
No 0
A
75 Fowler 1 compounds
No 1
A-
76 North Branch 1 compounds
No 0
A
77 Detroit 0 compounds
No 3
B+
78 Warren 0 compounds
No 0
A
79 Sterling Heights 0 compounds
No 0
A
80 Dearborn 0 compounds
No 0
A-
81 Wayne 0 compounds
No 0
B-
82 Clinton Township 0 compounds
No 1
B+
83 Canton 0 compounds
No 3
A
84 Livonia 0 compounds
No 0
A
85 Southfield 0 compounds
No 40
F
86 Bay City 0 compounds
No 20
B
87 Macomb 0 compounds
No 0
A
88 Troy 0 compounds
No 10
B-
89 Farmington Hills 0 compounds
No 86
F
90 Holland 0 compounds
No 20
B-
91 Rochester Hills 0 compounds
No 0
A-
92 Wyoming 0 compounds
No 2
B-
93 Shelby Township 0 compounds
No 6
D
94 Taylor 0 compounds
No 2
C
95 Novi 0 compounds
No 9
C
96 St. Clair Shores 0 compounds
No 1
A
97 Royal Oak 0 compounds
No 9
B
98 Dearborn Heights 0 compounds
No 2
C+
99 West Bloomfield 0 compounds
No 21
F
100 Redford 0 compounds
No 1
B
101 Port Huron 0 compounds
No 0
A-
102 Chesterfield Township 0 compounds
No 0
A-
103 Belleville 0 compounds
No 4
D
104 Jenison 0 compounds
No 0
A-
105 Bloomfield Township 0 compounds
No 0
A+
106 Muskegon 0 compounds
No 3
B
107 Northville 0 compounds
No 3
B+
108 Lincoln Park 0 compounds
No 0
B+
109 Byron Center 0 compounds
No 0
A+
110 Plymouth 0 compounds
No 0
A-
111 Kentwood 0 compounds
No 3
B
112 Lake Orion 0 compounds
No 0
A-
113 St. Joseph 0 compounds
No 2
A
114 Brownstown Twp 0 compounds
No 0
A-
115 Eastpointe 0 compounds
No 0
A
116 Southgate 0 compounds
No 0
A-
117 Madison Heights 0 compounds
No 0
B+
118 Garden City 0 compounds
No 0
B
119 Wyandotte 0 compounds
No 0
B+
120 Inkster 0 compounds
No 0
B
121 Harrison Township 0 compounds
No 0
A
122 Norton Shores 0 compounds
No 0
A
123 Romulus 0 compounds
No 0
B+
124 Marquette 0 compounds
No 4
F
125 Hamtramck 0 compounds
No 2
B-
126 Ferndale 0 compounds
No 4
B
127 Burton 0 compounds
No 2
A
128 Commerce Township 0 compounds
No 0
A+
129 Allendale 0 compounds
No 0
A-
130 Trenton 0 compounds
No 1
A-
131 Niles 0 compounds
No 2
C
132 Hazel Park 0 compounds
No 0
A+
133 Alpena 0 compounds
No 14
C-
134 Washington 0 compounds
No 0
A
135 Grandville 0 compounds
No 0
A-
136 Grosse Pointe Woods 0 compounds
No 0
B
137 New Boston 0 compounds
No 0
A-
138 Benton Harbor 0 compounds
No 16
D+
139 Sault Ste. Marie 0 compounds
No 2
B-
140 Berkley 0 compounds
No 0
A-
141 Fraser 0 compounds
No 0
A-
142 Harper Woods 0 compounds
No 2
B
143 Coldwater 0 compounds
No 27
F
144 Algonac 0 compounds
No 0
A+
145 Wixom 0 compounds
No 0
A
146 Ionia 0 compounds
No 3
A
147 Escanaba 0 compounds
No 0
A-
148 Woodhaven 0 compounds
No 0
A
149 Melvindale 0 compounds
No 2
A-
150 New Baltimore 0 compounds
No 1
A
151 Rochester 0 compounds
No 2
A
152 Riverview 0 compounds
No 0
A+
153 Muskgon 0 compounds
No 1
A
154 Farmington 0 compounds
No 2
A
155 Sturgis 0 compounds
No 1
A
156 Clawson 0 compounds
No 0
B+
157 East Grand Rapids 0 compounds
No 0
B+
158 Fort Gratiot 0 compounds
No 1
A
159 Grosse Pointe Park 0 compounds
No 1
B+
160 Cadillac 0 compounds
No 1
A
161 Sanford 0 compounds
No 3
A-
162 Petoskey 0 compounds
No 5
B-
163 Flat Rock 0 compounds
No 2
A
164 Big Rapids 0 compounds
No 3
B+
165 Houghton 0 compounds
No 2
B-
166 Beverly Hills 0 compounds
No 0
A-
167 Suttons Bay 0 compounds
No 4
B+
168 Grosse Ile 0 compounds
No 1
B-
169 Bloomfield Hills 0 compounds
No 11
F
170 Marysville 0 compounds
No 6
B
171 Freeland 0 compounds
No 26
F
172 Milford 0 compounds
No 20
D
173 Manistee 0 compounds
No 3
A-
174 Bridgeport 0 compounds
No 0
A+
175 Muskegon Heights 0 compounds
No 2
B+
176 Newport 0 compounds
No 0
A
177 Grosse Pointe Farms 0 compounds
No 5
A-
178 South Haven 0 compounds
No 26
B-
179 Albion 0 compounds
No 6
B
180 Ecorse 0 compounds
No 0
B+
181 New Hudson 0 compounds
No 1
B
182 Oscoda 0 compounds
No 3
D
183 Lapeer 0 compounds
No 22
F
184 Saline 0 compounds
No 0
B+
185 Fruitport 0 compounds
No 0
B+
186 Calumet 0 compounds
No 2
B+
187 Ishpeming 0 compounds
No 17
B
188 Ludington 0 compounds
No 0
A-
189 Hillsdale 0 compounds
No 3
A-
190 Highland Park 0 compounds
No 3
A-
191 St. Clair 0 compounds
No 1
B+
192 Menominee 0 compounds
No 3
A
193 Flushing 0 compounds
No 3
C-
194 Genesee 0 compounds
No 0
A-
195 Tawas City 0 compounds
No 1
A
196 Zeeland 0 compounds
No 0
A+
197 Center Line 0 compounds
No 0
B+
198 Hudsonville 0 compounds
No 0
B+
199 Hastings 0 compounds
No 5
B-
200 Dowagiac 0 compounds
No 2
C-
201 Iron Mountain 0 compounds
No 14
B+
202 Ada 0 compounds
No 20
B
203 River Rouge 0 compounds
No 1
B-
204 Marshall 0 compounds
No 0
A-
205 Berrien Springs 0 compounds
No 7
C+
206 Ira 0 compounds
No 0
A
207 Lowell 0 compounds
No 25
B
208 Frankenmuth 0 compounds
No 0
A+
209 Bridgman 0 compounds
No 1
A+
210 Huntington Woods 0 compounds
No 0
A
211 Plainwell 0 compounds
No 8
B-
212 Allegan 0 compounds
No 2
B+
213 Carleton 0 compounds
No 0
A-
214 Belding 0 compounds
No 12
B-
215 Ironwood 0 compounds
No 2
B+
216 East China 0 compounds
No 0
A
217 Swartz Creek 0 compounds
No 3
A-
218 Chelsea 0 compounds
No 10
B
219 New Haven 0 compounds
No 1
B
220 Kimball 0 compounds
No 0
B+
221 Negaunee 0 compounds
No 3
C+
222 Eaton Rapids 0 compounds
No 3
B-
223 Walled Lake 0 compounds
No 0
A
224 Grosse Pointe 0 compounds
No 0
A
225 Lexington 0 compounds
No 4
B
226 Wayland 0 compounds
No 2
A-
227 Gibraltar 0 compounds
No 1
A-
228 Buchanan 0 compounds
No 6
B+
229 Hancock 0 compounds
No 3
A-
230 Marine City 0 compounds
No 1
B+
231 Coopersville 0 compounds
No 0
B+
232 Dexter 0 compounds
No 0
A
233 Sparta 0 compounds
No 3
B+
234 Wilson 0 compounds
No 0
A
235 Boyne City 0 compounds
No 2
B
236 Cedar Springs 0 compounds
No 31
C-
237 Lathrup Village 0 compounds
No 0
A-
238 Mancelona 0 compounds
No 3
B+
239 Whittaker 0 compounds
No 0
A-
240 Roosevelt Park 0 compounds
No 0
A
241 Sarasota 0 compounds
No 0
A-
242 North Muskegon 0 compounds
No 0
B+
243 Oxford 0 compounds
No 19
B
244 Vicksburg 0 compounds
No 6
B-
245 Imlay City 0 compounds
No 1
A
246 Essexville 0 compounds
No 1
A-
247 Paw Paw 0 compounds
No 2
A-
248 Jamestown 0 compounds
No 0
A-
249 Norway 0 compounds
No 4
A
250 Mount Morris 0 compounds
No 2
A-
251 Ontonagon 0 compounds
No 0
A+
252 East Jordan 0 compounds
No 7
A-
253 Clyde 0 compounds
No 0
A
254 Nashville 0 compounds
No 6
B
255 Port Hope 0 compounds
No 6
A
256 Port Sanilac 0 compounds
No 1
A-
257 Mio 0 compounds
No 8
A
258 Davenport 0 compounds
No 5
C+
FAQ

Frequently asked questions about pfas in Michigan

Does Michigan tap water contain PFAS?

PFAS were detected in 76 of 258 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 DakotaOhioOklahomaOregonPennsylvaniaQCRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVermontVirginiaWashingtonWest VirginiaWisconsinWyoming
← PFAS contamination overview Explore Michigan water quality → National PFAS map →