One PFC, PFOS, has contaminated sixteen lakes in three counties at high enough levels for the Minnesota Department of Health to issue new guidelines for how much fish people can safely eat.
Ramsey County
| Lake |
PFC |
Parts per billion |
Fish Advisory |
| Como |
PFOS |
34.6-104 in fish |
Crappie, Northern Pike: 1 meal/week |
| Phalen |
PFOS |
42.1-156 in fish |
Crappie, Bluegill Sunfish: 1 meal/week Largemouth Bass: 1 meal/ month |
| Gervais |
PFOS |
39.9-227 in fish |
Bluegill Sunfish, Crappie, Largemouth Bass: 1 meal/week |
| Johanna |
PFOS |
70.3-292 in fish |
Bluegill Sunfish, Crappie: 1 meal/month |
| Josephine |
PFOS |
No data available |
Bluegill Sunfish: 1 meal/week |
| Keller |
PFOS |
26.2-106 in fish |
Bluegill Sunfish: 1 meal/week |
| Phalen |
PFOS |
42.1-156 in fish |
Bluegill Sunfish, Crappie: 1 meal/week
Largemouth Bass: 1 meal/month |
Hennepin County
| Lake |
PFC |
Parts per billion |
Fish Advisory |
| Calhoun |
PFOS |
319 in fish |
Bluegill Sunfish: 1 meal/month |
| Cedar |
PFOS |
17.9-34 in fish |
Bluegill Sunfish: 1 meal/month |
| Harriet |
PFOS |
78.1-163 in fish |
Bluegill Sunfish, Largemouth Bass: 1 meal/week |
| Red Rock |
PFOS |
57.4-115 in fish |
Crappie, Largemouth Bass: 1 meal/week |
Washington County
| Lake |
PFC |
Parts per billion |
Fish Advisory |
| Elmo |
PFOS |
149-711 in fish |
Bluegill Sunfish, Crappie, Largemouth bass: 1 meal/month |
| Powers |
PFOS |
26.6-71.9 in fish |
Bluegill Sunfish, Crappie, Yellow Perch: 1 meal/week Northern Pike: 1 meal/month |
| Ravine |
PFOS |
36-107 in fish |
Crappie, Large Mouth Bass: 1 meal week |
| Tanners |
PFOS |
55-265 in fish |
Bluegill Sunfish, Crappie, Largemouth Bass: 1 meal/week |
