Residents of Rumford, Maine this week were surprised to find brown-colored snow covering their yards and fields instead of the usual fluffy white blanket, according to WJW-TV.
The unusual phenomenon was quickly addressed by the town in a Facebook post, which explained that the discoloration was caused by emissions from a local paper mill. The post reassured residents that the snow’s brown hue posed no known health risks, though it understandably raised concerns.
“The Town has confirmed that due to a malfunction at the Mill there was a release of spent black liquor which resulted in precipitation of brown or tan colored snow. This is mostly in the areas of Town nearest to the Mill,” it posted.
“The pH of this substance is 10 which is alkali and therefore a skin irritant. Although it is non-toxic it should not be touched or otherwise put in contact with skin,” the post said.
The post said that Maine Department of Environmental Protection tests showed the pH of the snow was around 8, compared to water, which has a pH of 7.
“We have been in contact with the Mill and they have already rectified the issue and have informed their regulators. In the meantime we are also notifying the school district to let kids know not to play with ‘brown snow,’” the post said.
“It is likely advisable to keep your pets away from this snow. We are hopeful the rain tomorrow will wash most of the substance away and flush it off the ground and people’s homes or property,” the post said.