PFC Contamination in Minnesota Communities
PFCs contaminate the drinking water of eight communities, the Mississippi River and various lakes in St. Paul, Minneapolis and the East Metro
| Community | Water Affected | Contamination Source | Chemical | Remediation |
|---|---|---|---|---|
| Brainerd | Mississippi River | Industrial park automotive business | PFOS | Keystone Automotive now filters wastewater pumped into river |
| Cottage Grove | Municipal well & private wells | Woodbury/Cottage Grove border disposal site | PFBA & PFOA | Bottled water or activated carbon filtration system for some residents |
| Cottage Grove | Chemolite Plant Groundwater | 3M Chemolite Plant | PFOA, PFOS, Other PFCs | System of wells collect groundwater for treatment and filtration |
| St. Paul Park | City wells | Woodbury/Cottage Grove border disposal site | PFBA | None |
| Oakdale | City water system | Abresch Dump | PFOA, PFOS, PFBA & other PFCs | 3M built treatment facility for two city wells |
| Lake Elmo | 300 private wells 148 exceed MDH guidelines |
Washington County Landfill | PFOS & PFOA | Some private wells connected to municipal system Other wells provided filtration system |
| Newport | City wells | Woodbury/Cottage Grove border disposal site | PFBA | None |
| Hastings | City wells | Woodbury/Cottage Grove border disposal site | PFBA | None |
| South St. Paul | City wells | Woodbury/Cottage Grove border disposal site | PFBA | None |
| Woodbury | Municipal well & private wells | Washington County Landfill & Abresch Dump | PFBA | None |
| Minneapolis | Chain of Lakes: Calhoun, Harriet, Brownie, Cedar & Lake of the Isles |
Unknown | PFOS | None |
| Minnesota | Mississippi River | 3M Chemolite Plant, Cottage Grove & Pig's Eye Dump | PFOS | None |
Contamination Levels
| Chemical | Water Affected | Community | Amount |
|---|---|---|---|
| PFBA | Private wells | Cottage Grove | up to 5.8 ppb |
| Woodbury | |||
| South St. Paul | |||
| Hastings | |||
| St Paul Park | |||
| City water systems | Same as above | up to 2.3 ppb | |
| Oakdale (#5 and #9 wells) | up to 1.8 ppb | ||
| Hastings | 0.2 - 0.3 ppb | ||
| South St. Paul | |||
| PFOA | Municipal wells | Oakdale (#5 and #9 wells) | up to 0.9 ppb |
| Private wells | Cottage Grove | above .5 ppb | |
| Groundwater | Cottage Grove | up to 619 ppb | |
| PFOS | Municipal Wells | Oakdale (#5 and #9 wells) | up to 1.2 ppb |
| Chain of Lakes | Minneapolis | 181-373 ppb in fish | |
| Mississippi River | pools 2,3 | 30-709 ppb in fish | |
| pool 4 | 28-152 ppb in fish | ||
| pools 5, 5a | 34-99 ppb in fish |