3M and PFC groundwater contamination in Minnesota

Concern over the effects of groundwater contamination by perfluorochemicals, or PFCs, has a long history in Minnesota. Now that the state settled its lawsuit with 3M, here's a collection of MPR News coverage of this complex story.

'Section 60': Where war comes home
Robert M. Poole explores the lives and deaths of veterans buried in Section 60 of Arlington National Cemetery.
Residents of the east Twin Cities metro whose drinking water contained perfluorochemicals, or PFCs, in the past shouldn't worry about their soil or garden produce, according to a study from the state Department of Health.
Groundwater pumping deals with pollution but stresses supply
Twin Cities companies and governmental organizations pump billions of gallons of water every year to prevent the underground spread of pollution. But that puts stress on aquifers already the object of growing concern.
The Minnesota Department of Health says it will study for the third time the levels of perfluorochemicals, or PFCs, in the blood of some residents in Washington County.
State: Calhoun, Como & other Twin Cities lakes too salty
Popular Twin Cities lakes that have long been considered "impaired" because of algae and contaminants are now facing another pollutant: road salt.
A study from West Virginia links two types of cancer to exposure to a chemical similar to that also found in some east Twin Cities metro area wells.
Study: Minn. groundwater contamination levels low
A new study finds Minnesota groundwater is contaminated with low levels of chemicals, but the chemicals are not as widespread in groundwater as they are in lakes and streams.
Researchers at the Mayo Clinic have found an increased incidence of Attention Deficit Hyperactivity Disorder among children who have been repeatedly exposed to anesthesia before age two.
A study released this week suggesting a link between exposure to chemicals known as perfluorinated compounds and an impaired immune system in kids should prompt more research, Minnesota health officials said.