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What causes clear, fresh, country well water to turn orange or black, or smell so bad that it’s undrinkable?
Residents of a western Pennsylvania community have been trying for more than a year to get that question answered in their quest to get clean water back.
Some of them say the water was spoiled by drilling deep underground for natural gas. Others point to pollution from old coal mines. They’ve also been told it could even be a baffling mix of natural and manmade reasons that change the water over time, like the leaves change on trees. But no one knows for sure, and they say the uncertainty is maddening.
In late 2011, the drinking water for about a dozen residents in the Woodlands, a rural community about 30 miles north of Pittsburgh, began to change. At first, the families blamed gas drilling, or fracking, being done 2000 feet away. But state tests showed the water wasn’t contaminated by drilling, and even more confusingly, many of their neighbors reported no problems.
Families with bad water then turned to federal officials. But last summer, the U.S. Environmental Protection Agency quietly sent a letter to one resident, Janet McIntyre, saying the agency agreed with the state finding, since most of the chemicals found in the water could have occurred naturally.
McIntyre wasn’t satisfied, noting that the EPA “never set foot on my property to test the water themselves.” The EPA didn’t respond to a request to comment on why the agency didn’t retest the water.
Still, the residents with water problems were hopeful that the Atlanta-based U.S. Agency for Toxic Substances and Disease Registry was looking at the issue. But last month, the agency said it “is not actively investigating complaints from this area.”
“I’m just very, very frustrated,” McIntyre said.
So was John Stolz.
He’s the director of the Duquesne University Center for Environmental Research in Pittsburgh. Stolz said state and federal agencies failed to do detailed reviews, so a Duquesne team has been monitoring water quality and surveying households in the Woodlands, in what is one of the most in-depth surveys of alleged impacts of gas drilling in the nation. With funding from two foundations, a team has tested area water for more than a year.
“We’ll see black water, we’ll see orange water; there’s oftentimes an odor,” Stolz said.
Overall, about 50 out of the 150 households in the community have complaints. “There are certain areas that clearly don’t have any problems,” Stoltz said. And, he added, a well that has bad water one month may be clear the next, and a few homeowners even say that their well water improved after gas drilling began.
The wells themselves may be causing the problem, too. Stoltz said the depths vary from 90 feet to 900 feet deep, with an average of about 130 feet. Pennsylvania is one of the only states with no standards for rural water-well construction, meaning multiple other factors could be contributing to the problems.
Others say the cause could be old coal mines or old oil and gas wells that date back to the 1800s.